EN 60728-11:2017

SLOVENSKI STANDARD
01-februar-2018
1DGRPHãþD
SIST EN 60728-11:2011
Kabelska omrežja za televizijske in zvokovne signale ter interaktivne storitve - 11.
del: Varnost
Cable networks for television signals, sound signals and interactive services - Part 11:
Safety
Réseaux cablés pour les signaux de télévision, les signaux sonores et les services
interactifs - Partie 11: Sécurité
Ta slovenski standard je istoveten z: EN 60728-11:2017
ICS:
33.060.40 Kabelski razdelilni sistemi Cabled distribution systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 60728-11

NORME EUROPÉENNE
EUROPÄISCHE NORM
May 2017
ICS 33.060.40 Supersedes EN 60728-11:2010
English Version
Cable networks for television signals, sound signals
and interactive services -
Part 11: Safety
(IEC 60728-11:2016 + COR1:2016)
Réseaux de distribution par câbles pour signaux de Kabelnetze für Fernsehsignale, Tonsignale und interaktive
télévision, signaux de radiodiffusion sonore et services Dienste -
interactifs - Teil 11: Sicherheitsanforderungen
Partie 11: Sécurité (IEC 60728-11:2016 + COR1:2016)
(IEC 60728-11:2016 + COR1:2016)
This European Standard was approved by CENELEC on 2016-04-28. 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, Serbia, 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
© 2017 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 60728-11:2017 E
European foreword
The text of document 100/2592/FDIS, future edition 4 of IEC 60728-11 prepared by Technical
Area 5 “Cable networks for television signals, sound signals and interactive services” of IEC/TC 100
“Audio, video and multimedia systems and equipment” was submitted to the IEC-CENELEC parallel
vote and approved by CENELEC as EN 60728-11:2017.

The following dates are fixed:
• latest date by which the document has to be (dop) 2017-11-26
implemented at national level by
publication of an identical national
standard or by endorsement
(dow) 2020-05-26
• latest date by which the national
standards conflicting with the
document have to be withdrawn
This document supersedes EN 60728-11:2010.

Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.

For this European Standard the informative Annex C of IEC 60728-11:2016 shall be disregarded and
has been replaced by the Annexes ZB, A deviations and ZC, Special National Conditions.

Endorsement notice
The text of the International Standard IEC 60728-11:2016 + COR1:2016 was approved by CENELEC
as a European Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards indicated:

IEC 60364 Series NOTE Harmonized as HD 60364 Series.
IEC 60728-1 NOTE Harmonized as EN 60728-1.
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

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.

NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here:
www.cenelec.eu
Publication Year Title EN/HD Year

- - Coaxial cables EN 50117 Series
- - Lightning Protection Components (LPC) - EN 50164-1 -
Part 1: Requirements for connection
components
- - Lightning Protection Components (LPC) - EN 50164-2 -
Part 2: Requirements for conductors and
earth electrodes
- - Information technology - Cabling EN 50174-2 -
installation -
Part 2: Installation planning and practices
inside buildings
- - Telecommunications bonding networks EN 50310 -
for buildings and other structures
IEC 60065 (mod) 2014 Audio, video and similar electronic EN 60065 2014
apparatus - Safety requirements
IEC 60364-1 -  Low-voltage electrical installations - HD 60364-1 -
Part 1: Fundamental principles,
assessment of general characteristics,
definitions
IEC 60364-4-44 -  Low-voltage electrical installations - HD 60364-4-442 -
Part 4-44: Protection for safety - Protection
against voltage disturbances and
electromagnetic disturbances
IEC 60364-5-52 -  Low-voltage electrical installations - HD 60364-5-52 -
Part 5-52: Selection and erection of
electrical equipment - Wiring systems
IEC 60364-5-54 -  Low-voltage electrical installations - HD 60364-5-54 -
Part 5-54: Selection and erection of
electrical equipment - Earthing
arrangements and protective conductors
Publication Year Title EN/HD Year

IEC 60529 -  Degrees of protection provided by EN 60529 -
enclosures (IP Code)
IEC 60728-2 -  Cable networks for television signals, EN 50083-2 -
sound signals and interactive services -
Part 2: Electromagnetic compatibility for
equipment
IEC 60825-1 -  Safety of laser products - EN 60825-1 -
Part 1: Equipment classification and
requirements
IEC 60825-2 -  Safety of laser products - EN 60825-2 -
Part 2: Safety of optical fibre
communication systems (OFCS)
IEC 60950-1 (mod) 2005 Information technology equipment - Safety EN 60950-1 2006
- Part 1: General requirements
+A11 2009
+A12 2011
+AC 2011
IEC 60990 -  Methods of measurement of touch current EN 60990 -
and protective conductor current
1)
IEC 61140 2001 Protection against electric shock - EN 61140 2002
Common aspects for installation and
1)
+A1 (mod) 2004 +A1 2006
equipment
IEC 62305 Series Protection against lightning EN 62305 Series
IEC 62305-2 (mod) 2010 Protection against lightning - EN 62305-2 2012
Part 2: Risk management
IEC 62305-3 (mod) 2010 Protection against lightning - EN 62305-3 2011
Part 3: Physical damage to structures and
life hazard
IEC 62305-4 (mod) 2010 Protection against lightning - EN 62305-4 2011
Part 4: Electrical and electronic systems
within structures
ISO 3864-1 2011 Graphical symbols - Safety colours and - -
safety signs -
Part 1: Design principles for safety signs
and safety markings
1)
Superseded by EN 61140:2016 (IEC 61140:2016): DOW = 2019-05-27.
Annex ZB
(informative)
A-deviations
A-deviation: National deviation due to regulations, the alteration of which is for the time being outside
the competence of the CENELEC national member.

This European Standard does not fall under any Directive of the EU.

In the relevant CEN-CENELEC countries, these A-deviations are valid instead of the provisions of the
European Standard until they have been removed.

Clause Deviation
9 ZB.1 France
(Arrêté interministériel, 2 April 1991)
This regulation specifies, among many other parameters, the minimum distance between
electric supply wires (isolated and not isolated, low-voltage and high-voltage) and any
other installation (e.g. buildings, antennas, telecommunication lines, etc.).
The main clauses of this regulation which concern the cable networks are Clauses 12, 25,
26, 33, 33bis, 38, 49, 51, 52 and 63.
Clause 9 of this standard specifies distances of 10 mm (indoors) and 20 mm (outdoors)
and this is not sufficient to cover overhead cables. As an example, the minimum distance
between an overhead telecommunication line and an overhead low-voltage (up to 1 kV)
electricity supply line shall be 1 m (Clause 33). This distance may be reduced under
specified conditions (Clauses 51, 52 and 63).
This regulation specifies also the minimum distance from high-voltage lines. This distance
varies from 1 m to 4 m depending on the voltage, on the isolation of the cable and on the
location (built-up area or not) (Clauses 33 and 63)
10.1 ZB.2 United Kingdom
In the UK the use of fully isolated system outlets is obligatory.

ZB.3 France
(NF C 15100 - Décret n° 84-74 du 26 janvier 1984 modifié)

The use of TT distribution systems with 300 mA differential switching is not compatible
with the interconnection of the earthing of two different buildings.

Annex ZC
(normative)
Special national conditions
Special national condition: National characteristic or practice that cannot be changed even over a
long period, e.g. climatic conditions, electrical earthing conditions.

NOTE  If it affects harmonization, it forms part of the European Standard.

For the countries in which the relevant special national conditions apply these provisions are
normative, for other countries they are informative.

Clause Special National Condition
ZC.1 Norway
6.2
The following parts of the standard are not applicable due to Special National Conditions:
• For new and rebuilt coaxial electronic communication networks the outer
conductor of the coaxial cable leading into a building shall be galvanic and
isolated from the outer conductor of the coaxial cable inside the building;
• Examples of installations inside buildings described in 6.2g, 6.2i, 6.2l and shown in
Figure 2, Figure 4, Figure 5 and Figure 7 shall be equipped with a galvanic isolator
separating local earth from the cable network distribution lines;
• Galvanic isolators shall withstand the following requirements:
• Applying a 50 Hz AC voltage of 300 V RMS between the input and the output of
the outer conductor of the galvanic isolator for a period of not less than 20 min, the
leakage current shall not exceed 8 mA . Applying a continues DC voltage of 2 120 V
RMS
between the input and the output of the outer conductor of the galvanic isolator for a
period of not less than 1 min, the leakage current shall not exceed 0,7 mA.
It shall not be possible to touch metallic parts of the galvanic isolator when connected.
ZC.2 Norway
6.3
ZC.2.1 Justification
In most parts of Norway, the AC mains power are built as an IT- or TT-network with a line-
to-line voltage of 230 V (see Figure ZC.1).
These types of networks have no N-conductor, and the AC mains power is supplied to the
equipment from two of the three line conductors (IEC 60950-1:2005, Annex V).
L1L1
L2L2
L3L3
1 AC power distribution, IT system, line-to- 2 Voltage limiter
line voltage 230 V
3 Equipotential bonding bar 4 Earth electrode
Figure ZC.1 – IT power distribution system in Norway
For a cable network covering an area with this type of power supply networks, special
initiative should be taken to ensure that safety in the cable network is maintained. The
following equipotential bonding arrangements described will provide necessary safety in
such a network.
ZC.2.2 Equipotential bonding mechanism for cable networks
ZC.2.2.1 Installations in the vicinity of transformer stations
Any earth electrode in a cable network shall preferably be located at a minimum distance of
20 m from the nearest earth electrode in a high-power transformer station (high to mains
voltage) (see Figure ZC.2 and ITU-T K.8 or EN 50174-3).
If the above-mentioned distance is less than 20 m, all equipment in the cable network shall
be electrically isolated from local earth by mounting the equipment within a non-metallic
enclosure, as shown in Figure ZC.3. Mains powered equipment with local power feeding
should not be used in this case.
Before any work on the installation is started, measurements shall be carried out to reveal if
there are any hazardous voltages between local earth and the earth for the cable network.
The safety sign "Warning about hazardous electrical voltage" according to sign 7.4
of ISO 3864-1:2002 shall be attached to the non-metallic enclosure.
ZC.2.2.2 Cabinets for cable networks located near cabinets/
installations for mains
Cabinets for cable networks placed together with cabinets for mains power distributions
should preferably be placed at a minimum of 2 m apart. If the distance is closer than 2 m, a
common earth electrode between the cabinets shall be used. Examples of such installations
are shown in Figure ZC.4, Figure ZC.5, Figure ZC.6 and Figure ZC.7.
55 22
>>2200 mm m miininimmumum di dissttaancncee

1 Earth electrode 2 Non-metallic enclosure
3 Equipotential bonding bar 4 Mains supplied equipment
5 Transforming station 6 High-voltage power transmission
system
Figure ZC.2 – Example of installations located farther than 20 m
away from a transforming station
22 44
LLesess ts thhana
...