EN 50393:2015
(Main)Test methods and requirements for accessories for use on distribution cables of rated voltage 0,6/1,0 (1,2) kV
Test methods and requirements for accessories for use on distribution cables of rated voltage 0,6/1,0 (1,2) kV
This European Standard details the performance requirements and the test methods for type testing of cable accessories for use with power distribution cables of rated voltage 0,6/1,0 (1,2) kV as defined in HD 603 or other relevant cable standards. Cable accessories covered by this European Standard include joints, stop ends and outdoor terminations for extruded solid dielectric insulated cables and transition joints between extruded solid dielectric insulated and impregnated paper insulated cables. Joints, stop ends and outdoor terminations for impregnated paper insulated cables are not included. The service operating conditions of accessories should be compatible with the service operating conditions of cables on which they are to be installed. Accessories for special applications such as submarine, shipboard, explosive or seismic environments, or where specified fire performance characteristics are required, are not included. NOTE 1 This European Standard does not invalidate existing approvals of products achieved on the basis of national standards and specifications and/or the demonstration of satisfactory service performance. However, products approved according to such national standards or specifications cannot directly claim approval to this European standard. NOTE 2 It may be possible, subject to agreement between supplier and purchaser, and/or the relevant conformity assessment body, to demonstrate that conformity to the earlier standard can be used to claim conformity to this European Standard, provided an assessment is made of any additional type testing that may need to be carried out. Any such additional testing that is part of a sequence of testing cannot be done separately.
Prüfverfahren und Prüfanforderungen für die Garnituren von Verteilerkabeln mit einer Nennspannung von 0,6/1,0 (1,2) kV
Diese Europäische Norm beschreibt Prüfverfahren und Mindestanforderungen für die Typprüfungen an Kabelgarnituren für Energieverteilungskabel mit Nennspannungen 0,6/1,0 (1,2) kV, wie in HD 603 bzw. anderen Normen für entsprechende Kabel festgelegt. Die in dieser Europäischen Norm behandelten Kabelgarnituren umfassen Muffen, Endmuffen und Freiluft-Endverschlüsse für extrudierte, kunststoffisolierte Kabel und Übergangsmuffen zwischen extrudierten, kunststoffisolierten Kabeln und Kabeln mit massegetränkter Papierisolierung. Nicht enthalten sind Muffen, Endmuffen und Freiluft-Endverschlüsse für Kabel mit massegetränkter Papierisolierung. Die Betriebsbedingungen für Garnituren sollten denen der Kabel angepasst sein, auf denen sie installiert werden. Diese Norm gilt nicht für Garnituren für spezielle Anwendungsbereiche, z.B. für Seekabel, Schiffskabel oder für den Einsatz in explosiver bzw. erdbebengefährdeter Umgebung oder einer Umgebung, in der besondere Leistungsparameter bezüglich der Feuerbeständigkeit erforderlich sind. ANMERKUNG 1 Durch diese Europäische Norm werden bestehende Zulassungen von Produkten nicht ungültig, die auf der Grundlage nationaler Normen und Spezifikationen und/oder des Nachweises der Funktionssicherheit erlangt wurden. Jedoch können nach nationalen Normen oder Spezifikationen zugelassene Garnituren nicht automatisch beanspruchen, als nach dieser Europäischen Norm zugelassen zu gelten. ANMERKUNG 2 Sofern eine Bewertung aller notwendigen Typprüfungen, die zusätzlich durchgeführt werden müssen, vorliegt, ist durch eine Vereinbarung zwischen Lieferant und Kunde und/oder der entsprechenden Konformitätsbewertungsstelle das Erbringen eines Nachweises der Konformität zu der früheren Norm möglich, um als nach dieser Europäischen Norm zugelassen zu gelten. Zusätzliche Prüfungen, die Teil einer Prüffolge sind, dürfen nicht als gesonderte Prüfung durchgeführt werden.
Méthodes et prescriptions d'essai pour les accessoires de câbles de distribution de tension assignée 0,6/1,0 (1,2) kV
La présente Norme Européenne définit les exigences de performance et les méthodes d’essai de type pour les accessoires utilisés sur les câbles de distribution d’énergie de tension assignée 0,6/1,0 (1,2) kV définis par le HD 603 ou d'autres normes de câbles applicables. Les accessoires de câbles couverts par la présente Norme Européenne incluent les jonctions et dérivations, les bouts perdus et les extrémités extérieures pour câbles à isolant synthétique extrudé et les jonctions de transition entre câbles à isolant synthétique extrudé et câbles isolés au papier imprégné. Elle ne concerne pas les jonctions et les dérivations, les bouts perdus et les extrémités extérieures pour câbles isolés au papier imprégné. Il convient que les conditions d'exploitation des accessoires soient compatibles avec celles des câbles sur lesquels ils sont à installer. Les accessoires pour des applications spécifiques telles que les applications sous-marines, à bord des navires, ou bien des environnements présentant des risques d'explosions ou sismiques, ou dans le cas d'exigences de tenue au feu spécifiées ne sont pas inclus. NOTE 1 La présente Norme Européenne ne remet pas en cause les agréments existants des produits obtenus selon des normes et spécifications nationales et/ou la démonstration d’un comportement satisfaisant en service. Toutefois, les produits approuvés selon lesdites normes ou spécifications nationales ne peuvent prétendre directement à l'agrément selon la présente Norme Européenne. NOTE 2 Il peut être possible, selon accord entre le fournisseur et l'acheteur, et/ou l'organisme d'évaluation de la conformité correspondant, de démontrer que la conformité avec la norme antérieure peut être utilisée pour prétendre à la conformité à la présente Norme Européenne, à condition que soit réalisée une évaluation de tout essai de type supplémentaire pouvant être nécessaire. Tout essai supplémentaire de cet ordre faisant partie d'une séquence d'essais ne peut être effectué séparément.
Preskusne metode in zahteve za pribor, ki se uporablja na distribucijskih kablih za naznačeno napetost 0,6/1,0 (1,2) kV
Ta evropski standard podrobno opisuje zahteve glede zmogljivosti in preskusne metode za tipsko preskušanje dodatkov kablov, ki se uporabljajo z distribucijskimi kabli naznačene napetosti 0,6/1,0 (1,2) kV, kot je opredeljeno v standardu HD 603 ali drugih ustreznih standardih za kable.
Med dodatke kablov, ki jih zajema ta evropski standard, spadajo spojke, slepi končniki in zunanji priključki za kable, izolirane z ekstrudiranim trdnim dielektrikom in prehodne spojke med kabli, izoliranimi z ekstrudiranim trdnim dielektrikom in kabli, izoliranimi z impregniranim papirjem. Spojke, slepi končniki in zunanji priključki za kable, izolirane z impregniranim papirjem, niso vključeni.
Pogoji uporabe dodatkov morajo biti v skladu s pogoji uporabe kablov, na katere bodo nameščeni.
Dodatki, namenjeni posebni uporabi, na primer pod vodo, na ladji ali v eksplozivnih ali potresnih okoljih, ali uporabi, pri kateri so potrebne določene posebne lastnosti ob požaru, niso vključeni. OPOMBA 1 Ta evropski standard ne izniči obstoječih odobritev izdelkov, prejetih na podalgi nacionalnih standardov in specifikacij in/ali prikazu zadovoljivega delovanja. Vendar izdelki, odobreni na podlagi omenjenih nacionalnih standardov ali specifikacij, se ne morejo neposredno sklicevati na odobritev tega evropskega standarda.
OPOMBA 2 Odvisno od dogovora med dobaviteljem in kupcem in/ali ustreznim telesom za ocenjevanje skladnosti, je mogoče prikazati, da se lahko skladnost s prejšnjimi standardi uporabi za sklicevanje na skladnost s tem evropskim standardom, če se predhodno oceni, ali je potrebno izvesti dodatne tipske preskuse. Dodatnih preskusov, ki so del zaporedja preskusov, ni mogoče izvesti posebej.
General Information
- Status
- Published
- Publication Date
- 12-Feb-2015
- Withdrawal Date
- 07-Dec-2017
- Technical Committee
- CLC/TC 20 - Electric cables
- Drafting Committee
- CLC/TC 20 - Electric cables
- Current Stage
- 9093 - Decision to confirm - Review Enquiry
- Start Date
- 23-Oct-2024
- Completion Date
- 23-Sep-2025
Relations
- Effective Date
- 28-Jan-2023
Overview
EN 50393:2015 (CLC) is the European performance and type‑test standard for cable accessories used on low‑voltage distribution cables with rated voltage 0,6/1,0 (1,2) kV (as defined in HD 603 or other relevant cable standards). It specifies test methods and requirements for joints, stop ends and outdoor terminations for extruded solid dielectric insulated cables and for transition joints between extruded solid dielectric and impregnated paper insulated cables. The standard excludes accessories solely for impregnated paper insulated cables and accessories for special environments (submarine, shipboard, explosive, seismic, or specific fire‑performance applications).
Key Topics and Requirements
- Accessory types and classification: Definitions and test classes for joints, stop ends and outdoor terminations (Type I, II, III) indicating which electrical and mechanical tests apply.
- Type testing scope: Procedures for type testing accessories as complete assemblies, including connector considerations (connectors are treated as integral components).
- Electrical tests:
- Impulse voltage withstand
- AC voltage withstand
- Insulation resistance
- Metallic screen short‑circuit current withstand
- Mechanical and environmental tests:
- Impact test at ambient temperature
- Heating cycle tests (including a 9‑cycle water heating test introduced for some Type II joints)
- Water immersion test
- Test sequencing and sample numbers: Tables and sequences for required tests per accessory type and conductor cross‑section (straight/branch joints, stop ends, terminations).
- Materials & connectors: Guidance that conductor connectors should comply with EN 61238‑1 (or equivalent) and that material fingerprinting is not a mandatory prerequisite for compliance.
- Service compatibility & exclusions: Accessories must be compatible with the service operating conditions of the cables they serve. Special‑application accessories are outside the scope.
Practical Applications and Users
- Cable accessory manufacturers use EN 50393:2015 to design and type‑test joints, stop ends and outdoor terminations for distribution networks.
- Test laboratories and conformity assessment bodies apply the specified test methods and sequences to demonstrate product compliance.
- Utility companies, OEMs and specifiers reference the standard when procuring accessories for 0,6/1,0 (1,2) kV networks to ensure reliable field performance.
- Design engineers and installers consult the standard for compatibility requirements between accessories and cable constructions (extruded solid dielectric vs. impregnated paper).
Related Standards
Key normative references cited in EN 50393:2015 include:
- EN 61180‑1 (high‑voltage test techniques for low‑voltage equipment)
- EN 61238‑1 (compression/mechanical connectors for power cables)
- HD 603 (distribution cables 0,6/1 kV)
- IEC 60050‑461 (IEV - electric cables)
- EN 60455‑3‑8 and parts of EN 60684/EN 62677 (material test guidance)
Using EN 50393:2015 ensures standardized, repeatable type testing for accessories in low‑voltage distribution systems and supports reliable network performance and safety.
Frequently Asked Questions
EN 50393:2015 is a standard published by CLC. Its full title is "Test methods and requirements for accessories for use on distribution cables of rated voltage 0,6/1,0 (1,2) kV". This standard covers: This European Standard details the performance requirements and the test methods for type testing of cable accessories for use with power distribution cables of rated voltage 0,6/1,0 (1,2) kV as defined in HD 603 or other relevant cable standards. Cable accessories covered by this European Standard include joints, stop ends and outdoor terminations for extruded solid dielectric insulated cables and transition joints between extruded solid dielectric insulated and impregnated paper insulated cables. Joints, stop ends and outdoor terminations for impregnated paper insulated cables are not included. The service operating conditions of accessories should be compatible with the service operating conditions of cables on which they are to be installed. Accessories for special applications such as submarine, shipboard, explosive or seismic environments, or where specified fire performance characteristics are required, are not included. NOTE 1 This European Standard does not invalidate existing approvals of products achieved on the basis of national standards and specifications and/or the demonstration of satisfactory service performance. However, products approved according to such national standards or specifications cannot directly claim approval to this European standard. NOTE 2 It may be possible, subject to agreement between supplier and purchaser, and/or the relevant conformity assessment body, to demonstrate that conformity to the earlier standard can be used to claim conformity to this European Standard, provided an assessment is made of any additional type testing that may need to be carried out. Any such additional testing that is part of a sequence of testing cannot be done separately.
This European Standard details the performance requirements and the test methods for type testing of cable accessories for use with power distribution cables of rated voltage 0,6/1,0 (1,2) kV as defined in HD 603 or other relevant cable standards. Cable accessories covered by this European Standard include joints, stop ends and outdoor terminations for extruded solid dielectric insulated cables and transition joints between extruded solid dielectric insulated and impregnated paper insulated cables. Joints, stop ends and outdoor terminations for impregnated paper insulated cables are not included. The service operating conditions of accessories should be compatible with the service operating conditions of cables on which they are to be installed. Accessories for special applications such as submarine, shipboard, explosive or seismic environments, or where specified fire performance characteristics are required, are not included. NOTE 1 This European Standard does not invalidate existing approvals of products achieved on the basis of national standards and specifications and/or the demonstration of satisfactory service performance. However, products approved according to such national standards or specifications cannot directly claim approval to this European standard. NOTE 2 It may be possible, subject to agreement between supplier and purchaser, and/or the relevant conformity assessment body, to demonstrate that conformity to the earlier standard can be used to claim conformity to this European Standard, provided an assessment is made of any additional type testing that may need to be carried out. Any such additional testing that is part of a sequence of testing cannot be done separately.
EN 50393:2015 is classified under the following ICS (International Classification for Standards) categories: 29.120.20 - Connecting devices. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 50393:2015 has the following relationships with other standards: It is inter standard links to EN 50393:2006. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
You can purchase EN 50393:2015 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of CLC standards.
Standards Content (Sample)
SLOVENSKI STANDARD
01-september-2015
1DGRPHãþD
SIST EN 50393:2006
3UHVNXVQHPHWRGHLQ]DKWHYH]DSULERUNLVHXSRUDEOMDQDGLVWULEXFLMVNLKNDEOLK]D
QD]QDþHQHQDSHWRVWL N9
Test methods and requirements for accessories for use on distribution cables of rated
voltage 0,6/1,0 (1,2) kV
Prüfverfahren und Prüfanforderungen für die Garnituren von Verteilerkabeln mit einer
Nennspannung von 0,6/1,0 (1,2) kV
Méthodes et prescriptions d'essai pour les accessoires de câbles de distribution de
tension assignée 0,6/1,0 (1,2) kV
Ta slovenski standard je istoveten z: EN 50393:2015
ICS:
29.120.20 Spojni elementi Connecting devices
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN 50393
NORME EUROPÉENNE
EUROPÄISCHE NORM
February 2015
ICS 29.120.20 Supersedes EN 50393:2006
English Version
Test methods and requirements for accessories for use on
distribution cables of rated voltage 0,6/1,0 (1,2) kV
Méthodes et prescriptions d'essai pour les accessoires de Prüfverfahren und Prüfanforderungen für die Garnituren von
câbles de distribution de tension assignée 0,6/1,0 (1,2) kV Verteilerkabeln mit einer Nennspannung von 0,6/1,0 (1,2)
kV
This European Standard was approved by CENELEC on 2014-12-08. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2015 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 50393:2015 E
Contents
Foreword.4
1 Scope .5
2 Normative references .5
3 Terms and definitions .7
4 Components .8
4.1 Connectors . 8
4.2 Materials . 9
5 Electrical characteristics . 9
5.1 Rated voltage . 9
5.2 Current rating . 9
6 Range of compliance . 9
6.1 General . 9
6.2 Cables . 9
6.3 Connectors for joints . 10
6.4 Water immersion depth. 11
6.5 Transition joints . 11
7 Type tests . 11
7.1 General . 11
7.2 Test samples . 12
7.3 Sequence of tests . 12
8 Test methods . 15
8.1 General . 15
8.2 Impulse voltage withstand test at ambient temperature. 16
8.3 AC voltage withstand test . 16
8.4 Insulation resistance test . 17
8.5 Impact test at ambient temperature . 17
8.6 Heating cycle test . 18
8.7 Immersion test – test installation . 19
8.8 Examination . 19
8.9 Metallic screen short-circuit current withstand test . 20
Annex A (informative) Determination of cable conductor temperature . 29
Annex B (informative) Identification of test cable . 34
Annex C (informative) Identification of accessory test samples . 35
Annex D (informative) Identification of connector . 36
Bibliography . 37
Figures
Figure 1 – Example of envelope diameter . 11
Figure 2 – Typical arrangement for the impact test for joints at ambient temperature. 21
Figure 3 – Typical arrangement for the heating cycle for joints in air . 22
Figure 4 – Typical arrangement for the heating cycle test for joints in water . 22
Figure 5 – Typical arrangement for the heating cycle test for outdoor terminations in water . 23
Figure 6 – Method of connection of three-phase cables for the heating cycle test on a straight
joint . 24
– 3 – EN 50393:2015
Figure 7 – Method of connection of three-phase cables for the heating cycle test on a branch joint
where the main cable conductor cross-section is greater than 50 mm² and the branch cable
conductor cross-section is less than or equal to 50 mm² . 25
Figure 8 – Method of connection of three-phase main and branch cables of equal conductor
cross-section for the heating cycle test on a branch joint . 26
Figure 9 – Method of connection of three-phase main and branch cables of unequal conductor
cross-section for the heating cycle test on a branch joint . 27
Figure 10 – Typical heating cycle . 28
Figure 11 – Arrangement for the screen short-circuit test . 28
Figure A.1 – Arrangement for the cable calibration test . 30
Figure A.2 – Variation of θ with θ for various heating currents . 33
c st
Tables
Table 1 – Summary of compliance with different cable insulations. 10
Table 2 – Compliance extension for conductor connectors in joints . 10
Table 3 – Test sequence for joints for solid extruded dielectric insulated cables and for transition
joints between solid extruded dielectric insulated cables and impregnated paper insulated
cables . 12
Table 4 – Test sequence for stop ends on solid extruded dielectric insulated cables . 13
Table 5 – Test sequence for outdoor terminations on solid extruded dielectric insulated cables . 13
Table 6 – Number of test samples and conductor cross-section: straight joints . 14
Table 7 – Number of test samples and conductor cross-section: branch joints . 14
Table 8 – Number of test samples and conductor cross-section: stop ends . 15
Table 9 – Number of test samples and conductor cross-section: outdoor terminations . 15
Foreword
This document (EN 50393:2015) has been prepared by CLC/TC 20 “Electric cables”.
The following dates are fixed:
• latest date by which this document has to be (dop) 2015-12-08
implemented at national level by publication of
an identical national standard or by
endorsement
• latest date by which the national standards (dow) 2017-12-08
conflicting with this document have to
be withdrawn
This document supersedes EN 50393:2006.
– in Clause 1 'Scope', the revised statement referring to 'existing approvals' has been inserted;
– in Clause 3 'Definitions', definitions of stop end types have been revised to align with those of
joints, and definitions of 'rigid' and 'non-rigid' joints have been removed;
– in Clause 6 'Range of compliance', the numbers of joint and termination test samples have been
increased (see also Table 6), compliance restriction and extension with regard to different cable
designs have been clarified, and compliance restrictions and extensions relating to conductor
connectors have been inserted and shown in a new Table 2;
– in 7.3, Table 3, joints of Type II are subject to a new test involving 9 heating cycles in water
without oversheath damage (see also 8.6.2);
– in 7.3, Tables 3, 4 and 5, the footnotes referring to examination of tested accessories have been
removed;
– in Clause 8 'Test methods', the AC voltage withstand test procedure has been simplified and
clarified, references to 'rigid' and 'non-rigid' joints have been removed, reference to the 9 cycle
test for Type II joints (Table 3) has been inserted, and requirements relating to examination of
tested joints have been simplified and references to specific technologies or materials have been
removed;
– Annexes B, C and D have been added to assist in full and accurate identification of test cable,
accessories and connectors for inclusion in test reports.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such
patent rights.
– 5 – EN 50393:2015
1 Scope
This European Standard details the performance requirements and the test methods for type testing of
cable accessories for use with power distribution cables of rated voltage 0,6/1,0 (1,2) kV as defined in
HD 603 or other relevant cable standards.
Cable accessories covered by this European Standard include joints, stop ends and outdoor
terminations for extruded solid dielectric insulated cables and transition joints between extruded solid
dielectric insulated and impregnated paper insulated cables. Joints, stop ends and outdoor
terminations for impregnated paper insulated cables are not included.
The service operating conditions of accessories should be compatible with the service operating
conditions of cables on which they are to be installed.
Accessories for special applications such as submarine, shipboard, explosive or seismic
environments, or where specified fire performance characteristics are required, are not included.
NOTE 1 This European Standard does not invalidate existing approvals of products achieved on the basis of
national standards and specifications and/or the demonstration of satisfactory service performance. However,
products approved according to such national standards or specifications cannot directly claim approval to this
European standard.
NOTE 2 It may be possible, subject to agreement between supplier and purchaser, and/or the relevant
conformity assessment body, to demonstrate that conformity to the earlier standard can be used to claim
conformity to this European Standard, provided an assessment is made of any additional type testing that may
need to be carried out. Any such additional testing that is part of a sequence of testing cannot be done separately.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
EN 61180-1:1994, High-voltage test techniques for low-voltage equipment – Part 1: Definitions, test
and procedure requirements (IEC 61180-1:1992)
EN 61238-1, Compression and mechanical connectors for power cables for rated voltages up to 36 kV
(U = 42 kV) – Part 1: Test methods and requirements (IEC 61238-1)
m
HD 603, Distribution cables of rated voltage 0,6/1 kV
IEC 60050-461, International Electrotechnical Vocabulary – Chapter 461: Electric cables
3 Terms and definitions
For the purposes of this document, the terms and definitions given in IEC 60050-461 and the following
apply.
3.1
joint
accessory suitable for use in air or underground which makes a connection between two or more
insulated power cables to form a continuous circuit
3.2
type I joint
joint where impact withstand, impulse voltage withstand and metallic screen short-circuit current
withstand tests are not required
3.3
type II joint
joint tested for impact withstand but not for impulse voltage withstand or metallic screen short-circuit
current withstand
3.4
type III joint
joint tested for impulse voltage withstand and metallic screen short-circuit current withstand but not for
impact withstand
3.5
transition joint
accessory making a connection between cables having extruded solid dielectric insulation and
impregnated paper insulation
3.6
stop end
accessory providing a means of insulating the end of an energised cable
3.7
type I stop end
stop end where impact withstand and impulse voltage withstand tests are not required
3.8
type II stop end
stop end tested for impact withstand but not for impulse voltage withstand
3.9
type III stop end
stop end tested for impulse voltage withstand but not for impact withstand
3.10
cable crutch
position at which the laid up cores of a multicore cable separate into individual cores
3.11
outdoor termination
termination intended for use where it is directly exposed to either solar radiation or weathering or both
3.12
type I termination
termination where impulse voltage withstand is not required
3.13
type II termination
termination tested for impulse voltage withstand
3.14
connector
device to connect cable conductors together
– 7 – EN 50393:2015
3.15
compression (crimp) connector
connector in which electrical connection is made by deformation or reshaping of the barrel around the
cable conductor
3.16
mechanical connector
connector in which electrical connection is made by pressure applied using screws or bolts
3.17
multi-polar connector
connector with the facility to connect conductors of two or more phases within one body and having
electrical insulation between phases
3.18
IPC – Insulation Piercing Connector
connector in which electrical contact with the conductor is made by metallic protrusions which pierce
the insulation of the cable core
[SOURCE: IEV 461-11-08]
3.19
product family
group of products to be considered to have the same design criteria, the same insulation material
characteristics, the same installation technology and the same connector technology
3.20
lug
metallic device to connect a cable conductor to other electrical equipment
[SOURCE: IEV 461-17-01]
4 Components
4.1 Connectors
Conductor connectors used with joints and terminations shall comply with EN 61238-1, where
applicable, or with another relevant performance standard. Connectors are considered integral
components of accessories and are subject to compliance extensions and limitations detailed in 6.3.
Connectors for circumferential conductors comprising metal wires that are designed to carry neutral or
induced current shall meet the electrical requirements of EN 61238-1, where applicable, or those of
another relevant performance standard.
4.2 Materials
Component material characterization, either by ‘fingerprinting’ or by type testing, is not a prerequisite
for compliance with this performance standard.
If material characterization by type testing is required for components included in the test sample kits,
EN 60455-3-8 should be used for resins, and the relevant parts of EN 60684 and EN 62677 for
respectively heat-shrink tubing or moulded components if applicable. For “fingerprinting” the
appropriate part of HD 631 should be used.
5 Electrical characteristics
5.1 Rated voltage
The rated voltage of the joints, stop ends and outdoor terminations shall be
U /UU( ) = 0,6 / 1,0 (1, 2) kV
0 m
Where
U is the rated power frequency voltage between phase conductor and earth or metallic screen for
which the cable accessory is designed;
U is the rated power frequency voltage between phase conductors for which the cable accessory
is designed;
U is the maximum value of the highest system voltage between phase conductors for which the
m
cable accessory may be used.
5.2 Current rating
The continuous current rating of a joint or termination shall be in accordance with the appropriate
cable(s) specified in HD 603 or other relevant cable standard.
6 Range of compliance
6.1 General
Compliance will be gained for a product family of the same design and materials by successfully
completing the appropriate test sequence in Tables 3, 4 or 5 on the smallest and the largest accessory
in the family. In the case of joints and outdoor terminations, the smallest and largest accessory shall
each be tested with the smallest and largest specified cable conductor cross-sections (total 4
samples). Stop-ends shall be tested with the smallest and largest conductor cross-sections (2
samples).
The range of compliance will include these accessories and the intermediate sizes within the family.
The number of test samples is shown in Tables 6 to 9. Successful testing with only one cable
conductor cross-section shall give compliance for that cross-section only.
6.2 Cables
6.2.1 Compliance is restricted to the use of the accessories on the same cable type (construction
and materials) as used in the tests, subject to the permitted extensions given in 6.2.2 to 6.2.5.
6.2.2 Compliance shall extend to the use of the accessories with cables having different conductor
material or construction provided that the connectors used in the tests are compliant with 4.1.
6.2.3 Compliance gained for accessories tested on cable with shaped conductors shall extend to the
use of the same accessories on cables with circular conductors, subject to the restrictions of 4.1 and
6.3. The converse shall not apply.
6.2.4 Compliance shall extend to use of the accessories with cables having conductor insulation
different from that of the test cables in accordance with Table 1.
– 9 – EN 50393:2015
Table 1 – Summary of compliance with different cable insulations
Cable insulation Range of compliance
XLPE XLPE, EPR, PVC
EPR EPR, PVC
PVC PVC
Paper Paper
IPC type connectors shall have been tested on all of the conductor insulation types for which range
extension is required.
6.2.5 Compliance gained for accessories tested on cable without longitudinal water-blocking shall
extend to their use on water-blocked cable that is otherwise of the same design and materials. The
converse shall not apply.
6.2.6 Compliance gained for accessories with a connector tested on cable with longitudinal water-
blocked conductors shall extend to their use on cable with non-water-blocked conductor. The
converse shall not apply.
6.2.7 Compliance gained for an accessory shall be extended to the use of the same accessory on
cables of the same design and materials but with fewer cores.
6.3 Connectors for joints
Compliance gained for joints shall be restricted to the use of the same conductor connectors as those
used in the tests, together with other connectors meeting the requirement of 4.1 and falling within the
extension limitations detailed in Table 2. The extensions permitted in Table 2 are based on
geometrical considerations only and do not imply any similarity or difference in connector
performance.
Table 2 – Compliance extension for conductor connectors in joints (based on geometrical
considerations)
Connector type used in tests Compliance extension to Compliance extension to
connectors of the same type connectors of other types
Cylindrical shape straight
connector No extension
(compression or mechanical)
Cylindrical shape straight
Non-cylindrical shape straight
connectors with equal or
Connectors with equal or
connector
smaller length and envelope
smaller length and envelope
(compression or mechanical)
a
diameter
diameter
Branch connector No extension
Multi-polar straight connector No extension
Multi-polar branch connector No extension
a
‘envelope diameter’ is the circle diameter, with its plane perpendicular to the main cable conductor, that includes all
metallic parts of the connector, including any projecting bolts.
Figure 1 – Example of envelope diameter
6.4 Water immersion depth
The standard water immersion depth for tests on joints and stop-ends is 1 m (gauge pressure 10 kPa
(0,1 bar)). For special applications and buried environments subject to a high water table or prone to
flooding, this head of water may be considered insufficient to confirm the satisfactory performance of
seals preventing the entry of water. In such cases, the test sequence of Tables 3 and 4 may be
performed with an increased water head of 10 m (gauge pressure 100 kPa (1,0 bar)). Testing at a
single water head will achieve compliance for that water head only. Testing at both 1 m and 10 m
water heads will achieve compliance for those water heads and all intermediate values.
6.5 Transition joints
Compliance gained for transition joints shall extend to joints of the same design with an alternative
type of solid dielectric cable provided that
– the paper insulated cable is of the same design, construction and materials as that used in the
tests, and
– prior compliance has been gained for the use of the alternative solid dielectric cable in straight or
branch joints as appropriate.
7 Type tests
7.1 General
Written reports on type tests proving compliance with this European Standard shall be made available
by the supplier. The principal details of the test arrangements shall be given in the test report,
including details of cable construction (refer to Annex B), accessory test samples (refer to Annex C)
and conductor connectors (refer to Annex D). Information in the report should be supported by
photographs where relevant.
The test reports shall be signed by a representative of the organization carrying out the tests. This
may be the manufacturer, supplier or a recognized certification body.
Should a cable fail beyond any part of an accessory, the test shall be declared void without
discrediting the accessory. Tests may be repeated using a new accessory (reverting to the beginning
of the test sequence) or alternatively by repair of the cable (continuing testing from the point of
suspension).
– 11 – EN 50393:2015
7.2 Test samples
The number of samples required for each test sequence shall be in accordance with 6.1 and Tables 6
to 9.
Cables used for testing shall comply with HD 603 or other relevant cable standards.
Accessories shall be assembled in the manner specified in the supplier's installation instructions, using
the components supplied in the kit. A joint designed for crossed cores shall be so assembled. All
assembly instructions shall be included with the test report.
Neither the cable nor the accessories shall be subjected to any form of conditioning not specified in
the installation instructions.
Relevant details regarding the test installation shall be recorded in the test report for future reference
and to ensure repeatability of the test regime.
7.3 Sequence of tests
The test sequence shall be in the order given in Table 3 to Table 5, as appropriate for the accessory
being tested.
Table 3 – Test sequence for joints for solid extruded dielectric insulated cables
and for transition joints between solid extruded dielectric insulated cables
and impregnated paper insulated cables
Test Subcla Samples Requirements
a
use Type of joints
I II III
A1/B1 A1/B1 A1/B1 A2/B2
Impulse voltage withstand at 8.2 - - x - No failure
ambient temperature
AC voltage withstand (in air) 8.3 x x x - No failure
Insulation resistance (in air) 8.4 x x x - Insulation resistance ≥ 50 MΩ
Impact at ambient 8.5 - x - - -
temperature
Insulation resistance 8.4 - x - - Insulation resistance ≥ 50 MΩ
(immersed)
Heating cycle in air 8.6 x x x - 63 cycles
b
Heating cycle in water 8.6 - x - - 9 cycles
b
Insulation resistance 8.4 - x - - Insulation resistance ≥ 50 MΩ
(immersed)
Heating cycle in water 8.6 x x x - 63 cycles
AC voltage withstand 8.3 x x x - No failure
(immersed)
Insulation resistance 8.4 x x x - Insulation resistance ≥ 50 MΩ
(immersed)
Examination 8.8 x x x - To be recorded
c
Screen short-circuit 8.9 - - - x The fuse shall operate before
an open circuit develops
between the test pin and the
screen.
a
For the definitions of Types I, II and III, see Clause 3. For the explanation of A1/B1 and A2/B2, see Tables 6 and 7.
b
These tests are applicable only to joints made on non-water-blocked cables with overall metallic screen or armour.
c
This test is applicable only to joints incorporating an overall metallic screen and is subject to agreement.
– 13 – EN 50393:2015
Table 4 – Test sequence for stop ends on solid extruded dielectric insulated cables
Test Subcla Samples Requirements
a
use Type of stop end
I II III
C1 C1 C1
Impulse voltage withstand at 8.2 - - x No failure
ambient temperature
AC voltage withstand (in air) 8.3 x x x No failure
Insulation resistance (in air) 8.4 x x x Insulation resistance ≥ 50 MΩ
Impact at ambient 8.5 - x -
temperature
AC voltage (immersed) 8.3 - x - No failure
Insulation resistance 8.4 - x - Insulation resistance ≥ 50 MΩ
(immersed)
Immersion (21 days) 8.7 x x x
AC voltage withstand 8.3 x x x No failure
(immersed)
Insulation resistance 8.4 x x x Insulation resistance ≥ 50 MΩ
(immersed)
Examination 8.8 x x x To be recorded
a
For the definitions of Types I, II and III, see Clause 3. For the explanation of C1, see Table 8.
Table 5 – Test sequence for outdoor terminations
on solid extruded dielectric insulated cables
Test Subcl Samples Requirements
a
ause Type of termination
I II
D1 D1
Impulse voltage withstand at 8.2 - x No failure nor flashover
ambient temperature
AC voltage withstand (in air) 8.3 x x No failure
Insulation resistance (in air) 8.4 x x Insulation resistance ≥ 50 MΩ
Heating cycle in air 8.6 x x 63 cycles
Heating cycle in water 8.6 x x 63 cycles
(Crutch immers
...
SLOVENSKI STANDARD
01-september-2015
Nadomešča:
SIST EN 50393:2006
Preskusne metode in zahteve za pribor, ki se uporablja na distribucijskih kablih za
naznačeno napetost 0,6/1,0 (1,2) kV
Test methods and requirements for accessories for use on distribution cables of rated
voltage 0,6/1,0 (1,2) kV
Prüfverfahren und Prüfanforderungen für die Garnituren von Verteilerkabeln mit einer
Nennspannung von 0,6/1,0 (1,2) kV
Méthodes et prescriptions d'essai pour les accessoires de câbles de distribution de
tension assignée 0,6/1,0 (1,2) kV
Ta slovenski standard je istoveten z: EN 50393:2015
ICS:
29.120.20 Spojni elementi Connecting devices
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN 50393
NORME EUROPÉENNE
EUROPÄISCHE NORM
February 2015
ICS 29.120.20 Supersedes EN 50393:2006
English Version
Test methods and requirements for accessories for use on
distribution cables of rated voltage 0,6/1,0 (1,2) kV
Méthodes et prescriptions d'essai pour les accessoires de Prüfverfahren und Prüfanforderungen für die Garnituren von
câbles de distribution de tension assignée 0,6/1,0 (1,2) kV Verteilerkabeln mit einer Nennspannung von 0,6/1,0 (1,2)
kV
This European Standard was approved by CENELEC on 2014-12-08. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2015 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 50393:2015 E
Contents
Foreword.4
1 Scope .5
2 Normative references .5
3 Terms and definitions .7
4 Components .8
4.1 Connectors . 8
4.2 Materials . 9
5 Electrical characteristics . 9
5.1 Rated voltage . 9
5.2 Current rating . 9
6 Range of compliance . 9
6.1 General . 9
6.2 Cables . 9
6.3 Connectors for joints . 10
6.4 Water immersion depth. 11
6.5 Transition joints . 11
7 Type tests . 11
7.1 General . 11
7.2 Test samples . 12
7.3 Sequence of tests . 12
8 Test methods . 15
8.1 General . 15
8.2 Impulse voltage withstand test at ambient temperature. 16
8.3 AC voltage withstand test . 16
8.4 Insulation resistance test . 17
8.5 Impact test at ambient temperature . 17
8.6 Heating cycle test . 18
8.7 Immersion test – test installation . 19
8.8 Examination . 19
8.9 Metallic screen short-circuit current withstand test . 20
Annex A (informative) Determination of cable conductor temperature . 29
Annex B (informative) Identification of test cable . 34
Annex C (informative) Identification of accessory test samples . 35
Annex D (informative) Identification of connector . 36
Bibliography . 37
Figures
Figure 1 – Example of envelope diameter . 11
Figure 2 – Typical arrangement for the impact test for joints at ambient temperature. 21
Figure 3 – Typical arrangement for the heating cycle for joints in air . 22
Figure 4 – Typical arrangement for the heating cycle test for joints in water . 22
Figure 5 – Typical arrangement for the heating cycle test for outdoor terminations in water . 23
Figure 6 – Method of connection of three-phase cables for the heating cycle test on a straight
joint . 24
– 3 – EN 50393:2015
Figure 7 – Method of connection of three-phase cables for the heating cycle test on a branch joint
where the main cable conductor cross-section is greater than 50 mm² and the branch cable
conductor cross-section is less than or equal to 50 mm² . 25
Figure 8 – Method of connection of three-phase main and branch cables of equal conductor
cross-section for the heating cycle test on a branch joint . 26
Figure 9 – Method of connection of three-phase main and branch cables of unequal conductor
cross-section for the heating cycle test on a branch joint . 27
Figure 10 – Typical heating cycle . 28
Figure 11 – Arrangement for the screen short-circuit test . 28
Figure A.1 – Arrangement for the cable calibration test . 30
Figure A.2 – Variation of θ with θ for various heating currents . 33
c st
Tables
Table 1 – Summary of compliance with different cable insulations. 10
Table 2 – Compliance extension for conductor connectors in joints . 10
Table 3 – Test sequence for joints for solid extruded dielectric insulated cables and for transition
joints between solid extruded dielectric insulated cables and impregnated paper insulated
cables . 12
Table 4 – Test sequence for stop ends on solid extruded dielectric insulated cables . 13
Table 5 – Test sequence for outdoor terminations on solid extruded dielectric insulated cables . 13
Table 6 – Number of test samples and conductor cross-section: straight joints . 14
Table 7 – Number of test samples and conductor cross-section: branch joints . 14
Table 8 – Number of test samples and conductor cross-section: stop ends . 15
Table 9 – Number of test samples and conductor cross-section: outdoor terminations . 15
Foreword
This document (EN 50393:2015) has been prepared by CLC/TC 20 “Electric cables”.
The following dates are fixed:
• latest date by which this document has to be (dop) 2015-12-08
implemented at national level by publication of
an identical national standard or by
endorsement
• latest date by which the national standards (dow) 2017-12-08
conflicting with this document have to
be withdrawn
This document supersedes EN 50393:2006.
– in Clause 1 'Scope', the revised statement referring to 'existing approvals' has been inserted;
– in Clause 3 'Definitions', definitions of stop end types have been revised to align with those of
joints, and definitions of 'rigid' and 'non-rigid' joints have been removed;
– in Clause 6 'Range of compliance', the numbers of joint and termination test samples have been
increased (see also Table 6), compliance restriction and extension with regard to different cable
designs have been clarified, and compliance restrictions and extensions relating to conductor
connectors have been inserted and shown in a new Table 2;
– in 7.3, Table 3, joints of Type II are subject to a new test involving 9 heating cycles in water
without oversheath damage (see also 8.6.2);
– in 7.3, Tables 3, 4 and 5, the footnotes referring to examination of tested accessories have been
removed;
– in Clause 8 'Test methods', the AC voltage withstand test procedure has been simplified and
clarified, references to 'rigid' and 'non-rigid' joints have been removed, reference to the 9 cycle
test for Type II joints (Table 3) has been inserted, and requirements relating to examination of
tested joints have been simplified and references to specific technologies or materials have been
removed;
– Annexes B, C and D have been added to assist in full and accurate identification of test cable,
accessories and connectors for inclusion in test reports.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such
patent rights.
– 5 – EN 50393:2015
1 Scope
This European Standard details the performance requirements and the test methods for type testing of
cable accessories for use with power distribution cables of rated voltage 0,6/1,0 (1,2) kV as defined in
HD 603 or other relevant cable standards.
Cable accessories covered by this European Standard include joints, stop ends and outdoor
terminations for extruded solid dielectric insulated cables and transition joints between extruded solid
dielectric insulated and impregnated paper insulated cables. Joints, stop ends and outdoor
terminations for impregnated paper insulated cables are not included.
The service operating conditions of accessories should be compatible with the service operating
conditions of cables on which they are to be installed.
Accessories for special applications such as submarine, shipboard, explosive or seismic
environments, or where specified fire performance characteristics are required, are not included.
NOTE 1 This European Standard does not invalidate existing approvals of products achieved on the basis of
national standards and specifications and/or the demonstration of satisfactory service performance. However,
products approved according to such national standards or specifications cannot directly claim approval to this
European standard.
NOTE 2 It may be possible, subject to agreement between supplier and purchaser, and/or the relevant
conformity assessment body, to demonstrate that conformity to the earlier standard can be used to claim
conformity to this European Standard, provided an assessment is made of any additional type testing that may
need to be carried out. Any such additional testing that is part of a sequence of testing cannot be done separately.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
EN 61180-1:1994, High-voltage test techniques for low-voltage equipment – Part 1: Definitions, test
and procedure requirements (IEC 61180-1:1992)
EN 61238-1, Compression and mechanical connectors for power cables for rated voltages up to 36 kV
(U = 42 kV) – Part 1: Test methods and requirements (IEC 61238-1)
m
HD 603, Distribution cables of rated voltage 0,6/1 kV
IEC 60050-461, International Electrotechnical Vocabulary – Chapter 461: Electric cables
3 Terms and definitions
For the purposes of this document, the terms and definitions given in IEC 60050-461 and the following
apply.
3.1
joint
accessory suitable for use in air or underground which makes a connection between two or more
insulated power cables to form a continuous circuit
3.2
type I joint
joint where impact withstand, impulse voltage withstand and metallic screen short-circuit current
withstand tests are not required
3.3
type II joint
joint tested for impact withstand but not for impulse voltage withstand or metallic screen short-circuit
current withstand
3.4
type III joint
joint tested for impulse voltage withstand and metallic screen short-circuit current withstand but not for
impact withstand
3.5
transition joint
accessory making a connection between cables having extruded solid dielectric insulation and
impregnated paper insulation
3.6
stop end
accessory providing a means of insulating the end of an energised cable
3.7
type I stop end
stop end where impact withstand and impulse voltage withstand tests are not required
3.8
type II stop end
stop end tested for impact withstand but not for impulse voltage withstand
3.9
type III stop end
stop end tested for impulse voltage withstand but not for impact withstand
3.10
cable crutch
position at which the laid up cores of a multicore cable separate into individual cores
3.11
outdoor termination
termination intended for use where it is directly exposed to either solar radiation or weathering or both
3.12
type I termination
termination where impulse voltage withstand is not required
3.13
type II termination
termination tested for impulse voltage withstand
3.14
connector
device to connect cable conductors together
– 7 – EN 50393:2015
3.15
compression (crimp) connector
connector in which electrical connection is made by deformation or reshaping of the barrel around the
cable conductor
3.16
mechanical connector
connector in which electrical connection is made by pressure applied using screws or bolts
3.17
multi-polar connector
connector with the facility to connect conductors of two or more phases within one body and having
electrical insulation between phases
3.18
IPC – Insulation Piercing Connector
connector in which electrical contact with the conductor is made by metallic protrusions which pierce
the insulation of the cable core
[SOURCE: IEV 461-11-08]
3.19
product family
group of products to be considered to have the same design criteria, the same insulation material
characteristics, the same installation technology and the same connector technology
3.20
lug
metallic device to connect a cable conductor to other electrical equipment
[SOURCE: IEV 461-17-01]
4 Components
4.1 Connectors
Conductor connectors used with joints and terminations shall comply with EN 61238-1, where
applicable, or with another relevant performance standard. Connectors are considered integral
components of accessories and are subject to compliance extensions and limitations detailed in 6.3.
Connectors for circumferential conductors comprising metal wires that are designed to carry neutral or
induced current shall meet the electrical requirements of EN 61238-1, where applicable, or those of
another relevant performance standard.
4.2 Materials
Component material characterization, either by ‘fingerprinting’ or by type testing, is not a prerequisite
for compliance with this performance standard.
If material characterization by type testing is required for components included in the test sample kits,
EN 60455-3-8 should be used for resins, and the relevant parts of EN 60684 and EN 62677 for
respectively heat-shrink tubing or moulded components if applicable. For “fingerprinting” the
appropriate part of HD 631 should be used.
5 Electrical characteristics
5.1 Rated voltage
The rated voltage of the joints, stop ends and outdoor terminations shall be
U /UU( ) = 0,6 / 1,0 (1, 2) kV
0 m
Where
U is the rated power frequency voltage between phase conductor and earth or metallic screen for
which the cable accessory is designed;
U is the rated power frequency voltage between phase conductors for which the cable accessory
is designed;
U is the maximum value of the highest system voltage between phase conductors for which the
m
cable accessory may be used.
5.2 Current rating
The continuous current rating of a joint or termination shall be in accordance with the appropriate
cable(s) specified in HD 603 or other relevant cable standard.
6 Range of compliance
6.1 General
Compliance will be gained for a product family of the same design and materials by successfully
completing the appropriate test sequence in Tables 3, 4 or 5 on the smallest and the largest accessory
in the family. In the case of joints and outdoor terminations, the smallest and largest accessory shall
each be tested with the smallest and largest specified cable conductor cross-sections (total 4
samples). Stop-ends shall be tested with the smallest and largest conductor cross-sections (2
samples).
The range of compliance will include these accessories and the intermediate sizes within the family.
The number of test samples is shown in Tables 6 to 9. Successful testing with only one cable
conductor cross-section shall give compliance for that cross-section only.
6.2 Cables
6.2.1 Compliance is restricted to the use of the accessories on the same cable type (construction
and materials) as used in the tests, subject to the permitted extensions given in 6.2.2 to 6.2.5.
6.2.2 Compliance shall extend to the use of the accessories with cables having different conductor
material or construction provided that the connectors used in the tests are compliant with 4.1.
6.2.3 Compliance gained for accessories tested on cable with shaped conductors shall extend to the
use of the same accessories on cables with circular conductors, subject to the restrictions of 4.1 and
6.3. The converse shall not apply.
6.2.4 Compliance shall extend to use of the accessories with cables having conductor insulation
different from that of the test cables in accordance with Table 1.
– 9 – EN 50393:2015
Table 1 – Summary of compliance with different cable insulations
Cable insulation Range of compliance
XLPE XLPE, EPR, PVC
EPR EPR, PVC
PVC PVC
Paper Paper
IPC type connectors shall have been tested on all of the conductor insulation types for which range
extension is required.
6.2.5 Compliance gained for accessories tested on cable without longitudinal water-blocking shall
extend to their use on water-blocked cable that is otherwise of the same design and materials. The
converse shall not apply.
6.2.6 Compliance gained for accessories with a connector tested on cable with longitudinal water-
blocked conductors shall extend to their use on cable with non-water-blocked conductor. The
converse shall not apply.
6.2.7 Compliance gained for an accessory shall be extended to the use of the same accessory on
cables of the same design and materials but with fewer cores.
6.3 Connectors for joints
Compliance gained for joints shall be restricted to the use of the same conductor connectors as those
used in the tests, together with other connectors meeting the requirement of 4.1 and falling within the
extension limitations detailed in Table 2. The extensions permitted in Table 2 are based on
geometrical considerations only and do not imply any similarity or difference in connector
performance.
Table 2 – Compliance extension for conductor connectors in joints (based on geometrical
considerations)
Connector type used in tests Compliance extension to Compliance extension to
connectors of the same type connectors of other types
Cylindrical shape straight
connector No extension
(compression or mechanical)
Cylindrical shape straight
Non-cylindrical shape straight
connectors with equal or
Connectors with equal or
connector
smaller length and envelope
smaller length and envelope
(compression or mechanical)
a
diameter
diameter
Branch connector No extension
Multi-polar straight connector No extension
Multi-polar branch connector No extension
a
‘envelope diameter’ is the circle diameter, with its plane perpendicular to the main cable conductor, that includes all
metallic parts of the connector, including any projecting bolts.
Figure 1 – Example of envelope diameter
6.4 Water immersion depth
The standard water immersion depth for tests on joints and stop-ends is 1 m (gauge pressure 10 kPa
(0,1 bar)). For special applications and buried environments subject to a high water table or prone to
flooding, this head of water may be considered insufficient to confirm the satisfactory performance of
seals preventing the entry of water. In such cases, the test sequence of Tables 3 and 4 may be
performed with an increased water head of 10 m (gauge pressure 100 kPa (1,0 bar)). Testing at a
single water head will achieve compliance for that water head only. Testing at both 1 m and 10 m
water heads will achieve compliance for those water heads and all intermediate values.
6.5 Transition joints
Compliance gained for transition joints shall extend to joints of the same design with an alternative
type of solid dielectric cable provided that
– the paper insulated cable is of the same design, construction and materials as that used in the
tests, and
– prior compliance has been gained for the use of the alternative solid dielectric cable in straight or
branch joints as appropriate.
7 Type tests
7.1 General
Written reports on type tests proving compliance with this European Standard shall be made available
by the supplier. The principal details of the test arrangements shall be given in the test report,
including details of cable construction (refer to Annex B), accessory test samples (refer to Annex C)
and conductor connectors (refer to Annex D). Information in the report should be supported by
photographs where relevant.
The test reports shall be signed by a representative of the organization carrying out the tests. This
may be the manufacturer, supplier or a recognized certification body.
Should a cable fail beyond any part of an accessory, the test shall be declared void without
discrediting the accessory. Tests may be repeated using a new accessory (reverting to the beginning
of the test sequence) or alternatively by repair of the cable (continuing testing from the point of
suspension).
– 11 – EN 50393:2015
7.2 Test samples
The number of samples required for each test sequence shall be in accordance with 6.1 and Tables 6
to 9.
Cables used for testing shall comply with HD 603 or other relevant cable standards.
Accessories shall be assembled in the manner specified in the supplier's installation instructions, using
the components supplied in the kit. A joint designed for crossed cores shall be so assembled. All
assembly instructions shall be included with the test report.
Neither the cable nor the accessories shall be subjected to any form of conditioning not specified in
the installation instructions.
Relevant details regarding the test installation shall be recorded in the test report for future reference
and to ensure repeatability of the test regime.
7.3 Sequence of tests
The test sequence shall be in the order given in Table 3 to Table 5, as appropriate for the accessory
being tested.
Table 3 – Test sequence for joints for solid extruded dielectric insulated cables
and for transition joints between solid extruded dielectric insulated cables
and impregnated paper insulated cables
Test Subcla Samples Requirements
a
use Type of joints
I II III
A1/B1 A1/B1 A1/B1 A2/B2
Impulse voltage withstand at 8.2 - - x - No failure
ambient temperature
AC voltage withstand (in air) 8.3 x x x - No failure
Insulation resistance (in air) 8.4 x x x - Insulation resistance ≥ 50 MΩ
Impact at ambient 8.5 - x - - -
temperature
Insulation resistance 8.4 - x - - Insulation resistance ≥ 50 MΩ
(immersed)
Heating cycle in air 8.6 x x x - 63 cycles
b
Heating cycle in water 8.6 - x - - 9 cycles
b
Insulation resistance 8.4 - x - - Insulation resistance ≥ 50 MΩ
(immersed)
Heating cycle in water 8.6 x x x - 63 cycles
AC voltage withstand 8.3 x x x - No failure
(immersed)
Insulation resistance 8.4 x x x - Insulation resistance ≥ 50 MΩ
(immersed)
Examination 8.8 x x x - To be recorded
c
Screen short-circuit 8.9 - - - x The fuse shall operate before
an open circuit develops
between the test pin and the
screen.
a
For the definitions of Types I, II and III, see Clause 3. For the explanation of A1/B1 and A2/B2, see Tables 6 and 7.
b
These tests are applicable only to joints made on non-water-blocked cables with overall metallic screen or armour.
c
This test is applicable only to joints incorporating an overall metallic screen and is subject to agreement.
– 13 – EN 50393:2015
Table 4 – Test sequence for stop ends on solid extruded dielectric insulated cables
Test Subcla Samples Requirements
a
use Type of stop end
I II III
C1 C1 C1
Impulse voltage withstand at 8.2 - - x No failure
ambient temperature
AC voltage withstand (in air) 8.3 x x x No failure
Insulation resistance (in air) 8.4 x x x Insulation resistance ≥ 50 MΩ
Impact at ambient 8.5 - x -
temperature
AC voltage (immersed) 8.3 - x - No failure
Insulation resistance 8.4 - x - Insulation resistance ≥ 50 MΩ
(immersed)
Immersion (21 days) 8.7 x x x
AC voltage withstand 8.3 x x x No failure
(immersed)
Insulation resistance 8.4 x x x Insulation resistance ≥ 50 MΩ
(immersed)
Examination 8.8 x x x To be recorded
a
For the definitions of Types I, II and III, see Clause 3. For the explanation of C1, see Table 8.
Table 5 – Test sequence for outdoor terminations
on solid extruded dielectric insulated cables
Test Subcl Samples Requirements
a
ause Type of termination
I II
D1 D1
Impulse voltage withstand at 8.2 - x No failure nor flashover
ambient temperature
AC voltage withstand (in air) 8.3 x x No failure
Insulation resistance (in air) 8.4 x x Insulation resistance ≥ 50 MΩ
Heating cycle in air 8.6 x x 63 cycles
Heating cycle in water 8.6 x x 63 cycles
(C
...
SIST EN 50393:2015は、定格電圧0.6/1.0 (1.2) kVの電力配電ケーブル用のアクセサリーに関する試験方法と要件を詳細に定めた欧州標準です。この標準は、HD 603や他の関連ケーブル標準で定義された電力配電ケーブルに使用されるケーブルアクセサリーの性能要件と型式試験方法を規定しています。 この標準の強みは、配電ケーブル用の接続、停止端子、屋外端子を含む各種アクセサリーの試験方法を明確に定義し、使用されるケーブルのサービス動作条件と互換性のあるアクセサリーの設計を促進する点です。また、接続や停止端子、屋外端子の種類に関して、圧出固体誘電体絶縁ケーブルのアクセサリーが対象となっており、特定のアプリケーション用のアクセサリー（例えば、潜水艦や船上、爆発性環境、地震に対する耐性が求められる場合）は含まれないことも明記されています。 さらに、SIST EN 50393:2015は、既存の国際標準に基づいて承認された製品の有効性を無効にすることはないため、製品開発や安全基準を満たす上での柔軟性が保たれています。また、供給者と購入者、関連する適合性評価機関の間で合意があれば、以前の標準に合致していることを証明することで、当標準への適合性を主張する道も用意されています。 このように、EN 50393:2015は電力配電ケーブル用アクセサリーの品質と信頼性を確保するための重要な枠組みを提供しており、電力インフラの安全性に貢献する価値ある標準となっています。
Die Norm EN 50393:2015 bietet eine umfassende und präzise Grundlage für die Prüfung und Anforderungen an Zubehörteile, die für die Verwendung mit Verteilungskabeln mit einer Nennspannung von 0,6/1,0 (1,2) kV bestimmt sind. Der Anwendungsbereich dieser Norm ist klar definiert und umfasst speziell Joints, Stopfen und Freiluftabschlüsse für extrudierte, massedielektrisch isolierte Kabel sowie Übergangsgelenke zwischen diesen und imprägnierten Papierisolierkabeln. Dies gewährleistet, dass alle relevanten Zubehörkomponenten standardisiert und unter einheitlichen Prüfbedingungen bewertet werden. Ein wesentlicher Vorteil dieser Norm liegt in ihrer Fokussierung auf die Leistungsanforderungen und die Typprüfung der Kabelzubehörteile. Durch die klare Spezifizierung der Prüfmethoden werden Hersteller in die Lage versetzt, ihre Produkte effektiv zu testen und sicherzustellen, dass sie den hohen Anforderungen an die Betriebssicherheit und Leistungsfähigkeit in der Praxis gerecht werden. Dies ist besonders relevant in einem Bereich, in dem die Zuverlässigkeit und Sicherheit der Elektrozubehörteile von größter Bedeutung sind. Darüber hinaus bietet die Norm die Flexibilität, dass bereits nach nationalen Standards genehmigte Produkte ihre Konformität zur EN 50393:2015 durch geeignete Bewertungen nachweisen können. Dieses Merkmal unterstreicht die Relevanz der Norm für Hersteller, die eventuell bereits über nationale Zulassungen verfügen, und fördert eine gesteigerte Marktakzeptanz für Produkte, die diesen hohen Standards entsprechen. Es ist wichtig zu beachten, dass spezielle Anwendungen wie Unterwasserkabel, Schiffsinstallationen oder Umgebungen mit besonderen Anforderungen nicht in diesem Dokument behandelt werden. Dies fokussiert die Norm klar auf die häufigsten Anwendungen im Bereich der Verteilungskabel und vermeidet so Verwirrungen hinsichtlich ihres Geltungsbereichs. Zusammenfassend lässt sich sagen, dass die EN 50393:2015 eine entscheidende Ressource für die Industrie darstellt, die sicherstellt, dass Kabelzubehörteile nicht nur getestet und genehmigt werden, sondern auch den spezifischen Betriebsbedingungen der Kabel, mit denen sie installiert werden, kompatibel sind. Die Stärkung der Sicherheits- und Leistungsstandards kann nicht hoch genug eingeschätzt werden, und diese Norm spielt hierbei eine zentrale Rolle.
Die Norm EN 50393:2015 bietet umfassende Vorgaben zu den Prüfmethoden und Anforderungen für Zubehörteile, die in Verteilungsleitungen mit Nennspannungen von 0,6/1,0 (1,2) kV eingesetzt werden. Der Anwendungsbereich dieser europäischen Norm ist klar definiert und umfasst insbesondere Kabelzubehör wie Verbindungen, Endverschlüsse und Freiluftabschlüsse für extrudierte, festisolierte Kabel mit dielektrischer Isolation sowie Übergangsverbindungen zwischen diesen Kabeln und impregnierte, papierisolierte Kabel. Die Stärken dieser Norm liegen in der präzisen Definition der Leistungsanforderungen und der umfangreichen Prüfmethoden, die sicherstellen, dass das Kabelzubehör den erforderlichen Standards für die jeweilige Anwendung entspricht. Dies erhöht die Sicherheit und Zuverlässigkeit der Stromverteilungsanlagen, da die Betriebstemperaturen und -bedingungen des Zubehörs mit denen der Kabel kompatibel sein müssen, auf denen sie installiert werden. Dies gewährleistet eine langfristige Funktionalität und minimiert das Risiko von Ausfällen im Betrieb. Ein weiteres relevantes Merkmal der EN 50393:2015 ist, dass sie die bestehende Genehmigungen der Produkte auf der Basis nationaler Standards und Spezifikationen nicht außer Kraft setzt. Unternehmen, die bereits Produkte nach diesen nationalen Standards genehmigt haben, können in Absprache mit dem Anbieter und dem entsprechenden Konformitätsbewertungsorgan die Konformität zur neuen europäischen Norm gegebenenfalls nachweisen, sofern die entsprechenden zusätzlichen Typprüfungen durchgeführt werden. Obwohl diese Norm nicht für spezielle Anwendungen wie Unterwasser-, Schiffs- oder explosionsgefährdete Umgebungen sowie spezifische Anforderungen an brandtechnische Eigenschaften gilt, bleibt sie dennoch von großer Bedeutung für die allgemeine Qualitätssicherung und Standardisierung von Kabelzubehör in der Elektrizitätsversorgung. Somit trägt die EN 50393:2015 entscheidend zur Harmonisierung und Verbesserung der Sicherheitsstandards in der Kabelverteilung bei.
La norme EN 50393:2015 offre un cadre robuste pour les méthodes d'essai et les exigences des accessoires utilisés sur des câbles de distribution à tension nominale 0,6/1,0 (1,2) kV. Son champ d'application est clairement défini, englobant les accessoires de câbles qui sont essentiels pour garantir la sécurité et la fiabilité dans les systèmes de distribution d'électricité. Cette norme se concentre sur les joints, les extrémités de coupure et les terminaisons extérieures pour les câbles isolés diélectriquement solides, tout en excluant les câbles à isolation en papier imprégné, soulignant ainsi des spécificités pertinentes pour les fabricants et les utilisateurs. Parmi les points forts de la norme, on note la clarté des exigences de performance et des méthodes d'essai, qui assurent une typologie de tests standardisés pour les accessoires. Cela facilite non seulement l'évaluation de la qualité des produits, mais aussi leur conformité aux spécifications de service. De plus, la norme permet de s’assurer que les conditions de fonctionnement des accessoires sont compatibles avec celles des câbles sur lesquels ils sont installés, assurant ainsi un fonctionnement optimal. La pertinence de la norme EN 50393:2015 est accentuée par son intégration avec d'autres normes de câbles de référence, comme HD 603. En permettant une évaluation basée sur des tests antérieurs relevant d'autres normes, elle favorise une approche harmonisée dans l'industrie. Cela encourage également les fabricants à améliorer continuellement la qualité et la sécurité de leurs produits, tout en gardant une voie ouverte pour les approbations basées sur des normes nationales antérieures. Au final, la norme EN 50393:2015 représente une avancée significative pour l'homogénéisation des exigences relatifs aux accessoires pour câbles de distribution, rendant son adoption avantageuse pour tous les acteurs du secteur.
La norme EN 50393:2015 établit des exigences de performance et des méthodes d'essai pour l'homologation des accessoires de câbles destinés à être utilisés avec des câbles de distribution d'énergie ayant une tension nominale de 0,6/1,0 (1,2) kV. Cette norme est particulièrement pertinente dans le cadre des installations électriques modernes, garantissant que les accessoires tels que les joints, les extrémités d'arrêt et les terminaisons extérieures sont conformes aux normes de sécurité et de performance définies. Les points forts de cette norme incluent sa capacité à normaliser les méthodes de tests, assurant ainsi une évaluation cohérente et fiable des accessoires utilisés en conjonction avec des câbles isolés en plastique et en papier. La mise en avant des conditions de service compatibles entre les accessoires et les câbles d'installation est un atout majeur, car cela garantit une intégration harmonieuse et prévient d'éventuelles défaillances lors de l'exploitation. De plus, la norme EN 50393:2015 souligne l'importance de ne pas remettre en question les homologations existantes fondées sur des normes nationales, ce qui témoigne d'une certaine flexibilité pour les fabricants et les utilisateurs. Cette approche favorise une transition en douceur vers la conformité sans pénaliser les produits déjà en circulation ayant obtenu des certifications antérieures. Cependant, il est crucial de noter que les accessoires destinés à des applications particulières, tels que ceux utilisés dans des environnements marins ou exposés à des conditions extrêmes, ne sont pas couverts par cette norme, ce qui limite son champ d'application mais renforce la clarté des spécifications fournies. En somme, la norme EN 50393:2015 est essentielle pour garantir la sécurité et l’efficacité des accessoires de câbles dans les systèmes de distribution d'énergie à basse tension, et son adoption est recommandé pour les acteurs du secteur cherchant à se conformer aux standards européens.
The EN 50393:2015 standard delineates essential performance requirements and test methodologies for type testing of cable accessories utilized with power distribution cables rated at 0.6/1.0 (1.2) kV, as prescribed in HD 603 or corresponding cable standards. Its scope is notably comprehensive, specifically addressing various cable accessories, including joints, stop ends, and outdoor terminations for extruded solid dielectric insulated cables. This clearly defined scope underscores the standard's commitment to safety and functionality within standard voltage ratings, ensuring that the accessories conform to the operational conditions of the cables they accompany. A significant strength of this standard lies in its emphasis on compatibility between the service operating conditions of the accessories and the cables, which is critical for ensuring reliability in real-world applications. The exclusion of accessories for special applications-such as those required in submarine or explosive environments-clarifies the focus and usability of the standard, allowing manufacturers and users to understand its applicability without ambiguity. Additionally, the document acknowledges existing national standards, reinforcing the notion that EN 50393:2015 does not invalidate prior approvals while providing a pathway for manufacturers to demonstrate conformity based on additional testing, where required. This flexibility caters to diverse market needs and encourages efficiency in the approval process, ensuring products remain compliant while fostering innovation. Overall, the EN 50393:2015 standard is a crucial instrument for the industry, ensuring that cable accessories meet necessary performance criteria to enhance safety and reliability in power distribution systems. Its thorough and focused approach makes it a relevant reference point for manufacturers, suppliers, and purchasers in the field of electrical infrastructure.
SIST EN 50393:2015は、定格電圧0.6/1.0 (1.2) kVの配電ケーブル用のアクセサリーに関する試験方法および要件を詳細に定義した欧州標準です。この標準は、HD 603や他の関連ケーブル標準に定義されたパワー配電ケーブル用のケーブルアクセサリーの型試験における性能要件と試験方法を明確にしています。対象となるケーブルアクセサリーには、押出し固体誘電体絶縁ケーブルの接続部、ストップエンド、および屋外端子が含まれており、印刷紙絶縁ケーブルと押出し固体誘電体絶縁ケーブル間の移行接続も含まれます。ただし、印刷紙絶縁ケーブルのための接続部やストップエンド、屋外端子は範囲外となっています。 この標準の強みは、アクセサリーが設置されるケーブルのサービス運用条件と互換性があることが求められている点です。これにより、実際の使用環境において高い信頼性を保証し、配電システムの安全性を向上させます。また、特定のアプリケーション（例：海底、船舶、爆発性または地震環境、特定の防火性能が要求される場合）向けのアクセサリーは対象外としているため、特定のニーズに適合した基準を提供しています。 さらに、既存の国標準や仕様に基づいて承認を受けた製品の有効性を無効にしないことが注記されており、これは市場における製品の柔軟性と多様性を保つ要素となっています。サプライヤーと購入者、あるいは関連する適合性評価機関との合意に基づき、以前の標準に対する適合性を示して、この標準に対する適合性を主張する可能性が言及されている点も、評価基準のにおいて柔軟な対応を促進します。 総じて、SIST EN 50393:2015は、欧州における配電ケーブル用アクセサリーの試験と性能基準を確立することで、信頼性の高い配電システムを構築するために非常に重要な役割を果たしています。この標準の導入により、業界全体の安全基準が向上し、最終的に消費者にとっても有益な成果をもたらすことでしょう。
표준 EN 50393:2015는 0,6/1,0 (1,2) kV 전압에서 사용되는 배전 케이블의 액세서리에 대한 시험 방법 및 요구 사항을 자세히 규명한 유럽 표준입니다. 이 표준의 범위는 전력 배전 케이블과 함께 사용할 수 있는 케이블 액세서리의 성능 요구사항과 유형 시험 방법을 상세히 설명하고 있으며, HD 603 또는 기타 관련 케이블 표준에 정의된 전압 등급에 적합한 제품을 포함합니다. 이 표준의 주요 강점 중 하나는 추출된 고체 유전체 절연 케이블과 침윤 종이 절연 케이블 간의 전환 조인트 및 야외 종단과 같은 다양한 액세서리에 대한 포괄적인 테스트 요구 사항을 제공한다는 점입니다. 이러한 세부적인 요구 사항은 배전 케이블의 성능과 안전성을 보장할 수 있도록 하며, 업계 표준으로서의 신뢰성을 높입니다. EN 50393:2015는 일반 케이블 액세서리에 한정되며, 특수 응용 프로그램(예: 해저, 선박, 폭발 또는 지진 환경)에 적합한 액세서리나 특정 화재 성능 특성이 요구되는 제품은 포함되지 않습니다. 이러한 명확한 범위 설정은 사용자가 요구하는 용도에 맞는 제품을 선택할 수 있도록 도와 줍니다. 또한, 이 유럽 표준은 기존에 국가 표준 및 규격에 따라 승인된 제품의 유효성을 무효화하지 않으며, 사용자와 공급자 간의 합의에 따라 기초적으로 이전 표준에 부합하는 제품이 새로운 표준으로의 적합성을 주장할 수 있는 가능성을 남겨 둡니다. 이는 고객과 공급자 간의 신뢰성을 높이고, 시장에서의 유연성을 제공하는 중요한 요소입니다. 결국, EN 50393:2015 표준은 전력 배전 케이블과의 조화로운 작동 조건을 보장하며, 케이블 액세서리의 안전하고 효율적인 성능을 위해 필수적인 기준을 제시하는데, 이는 전기 분야에서의 지속적인 발전과 안전성을 증진하는 데 매우 중요한 역할을 합니다.
EN 50393:2015 표준은 전압 0.6/1.0(1.2) kV에 사용되는 배전 케이블용 액세서리에 대한 시험 방법 및 요구 사항을 자세히 설명하고 있습니다. 이 표준의 범위는 HD 603 또는 기타 관련 케이블 표준에서 정의된 배전 케이블에 대한 성능 요구 사항과 유형 시험 방법을 포함하고 있습니다. 이 표준은 배전 케이블과 함께 사용되는 조인트, 스톱 엔드, 그리고 외부 종단 등의 케이블 액세서리에 대해 명확하고 구체적인 요구 사항을 제공합니다. 또한, 압출된 고체 유전체 절연 케이블과 임프레그네이티드 페이퍼 절연 케이블 간의 전환 조인트를 다루고 있으며, 이는 해당 기술 분야에서 매우 중요한 요소입니다. EN 50393:2015 표준의 강점 중 하나는 이 표준이 현장에서 사용되는 케이블 액세서리의 서비스 작동 조건과 설치될 케이블의 작동 조건이 호환되어야 한다는 점을 강조하는 것입니다. 이를 통해 최상의 안전성과 신뢰성을 보장할 수 있습니다. 또한, 이 표준은 특정 응용 분야, 예를 들어 해저, 선박, 폭발성 또는 지진 환경에 사용되는 액세서리나 특별한 화재 성능 특성이 요구되는 경우는 다루지 않는다는 점도 중요한 특성을 부각시킵니다. 이러한 특정 사항을 명확히 함으로써, 사용자는 해당 표준이 어디에 적용되는지를 정확하게 이해할 수 있습니다. 마지막으로, EN 50393:2015 표준은 기존의 국가 표준 및 사양에 기반하여 이루어진 제품 승인에 대한 유효성을 무효화하지 않으며, 특정 상황에서는 선행 표준에 대한 적합성을 사용하여 이 유럽 표준에 대한 적합성을 주장할 수 있도록 하는 가능성을 열어두고 있습니다. 이와 같은 점은 제조업체와 구매자가 상호 협력하여 진행할 수 있는 다양한 경로를 제공하므로, 실질적으로 산업계에 큰 기여를 할 것으로 예상됩니다.
The EN 50393:2015 standard outlines essential performance requirements and test methods specifically for accessories used with power distribution cables of rated voltage 0,6/1,0 (1,2) kV. This standard is crucial for ensuring the reliability and safety of cable accessories including joints, stop ends, and outdoor terminations designed for extruded solid dielectric insulated cables, as well as the transitions between extruded solid dielectric insulated and impregnated paper insulated cables. One of the standout strengths of EN 50393:2015 is its comprehensive approach to type testing, which ensures that the accessories conform to high performance benchmarks expected in various service operating conditions. The detailed scope clarifies what is included and excluded from the standard, providing manufacturers and users with clear guidelines that prevent misunderstandings regarding compatibility with service conditions of the cables. This precision enhances the standard’s relevance in the industry, ensuring that only suitable accessories are approved for use, which can significantly reduce the risk of installation failures or cable failures in the field. The exclusion of accessories for special applications such as submarine or explosive environments further sharpens the focus of the EN 50393:2015 standard, enabling manufacturers to tailor their products specifically to the intended uses and operational contexts. Additionally, the standard acknowledges existing approvals achieved through national standards, thereby supporting continuity and transition for manufacturers updating their products to comply with European norms without undermining prior certifications. Overall, EN 50393:2015 stands as a significant document that addresses the performance and safety of cable accessories, thereby reinforcing its critical role in the electrical distribution sector. Its stringent testing and compatibility requirements ensure that the products meet the necessary standards for safe and efficient operation.
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