Amendment 1 - Live working - Voltage detectors - Part 1: Capacitive type to be used for voltages exceeding 1 kV a.c.

Amendement 1 - Travaux sous tension - Détecteurs de tension - Partie 1: Détecteurs de type capacitifs pour usage sur des tensions alternatives de plus de 1 kV

General Information

Status
Published
Publication Date
09-Jun-1997
Technical Committee
TC 78 - Live working
Drafting Committee
WG 14 - TC 78/WG 14
Current Stage
DELPUB - Deleted Publication
Start Date
28-Oct-2003
Completion Date
26-Oct-2025

Relations

Effective Date
05-Sep-2023

Overview

IEC 61243-1:1993/AMD1:1997 is an important international standard issued by the International Electrotechnical Commission (IEC) focusing on live working voltage detectors. This amendment specifically pertains to capacitive voltage detectors designed for use with alternating current (a.c.) voltages exceeding 1 kV. It provides updates and clarifications to the original 1993 standard, enhancing the safety and performance requirements for equipment used in live electrical environments.

The standard targets devices that detect voltage capacitively, either as a single unit including an insulating pole (compliant with IEC 61235 or IEC 60855) or as a separate detector paired with an adaptable insulating pole. It excludes other types of voltage detectors. This ensures clear guidance on the safe and effective use of capacitive detectors critical for electrical safety during live work.

Key Topics

  • Scope of Application
    Amendment 1 refines the scope by limiting applicability to capacitive voltage detectors used directly on the part to be tested, either integrated with or complemented by an insulating pole as per related IEC standards (61235 and 60855).

  • Normative References
    It includes reference to IEC 61235:1993, which covers insulating hollow tubes for live working, strengthening the link between the voltage detectors and their insulating equipment.

  • Clear Indication Requirements
    The standard defines requirements for the indication behavior of voltage detectors, such as Class B detectors that must operate within a narrow voltage range. The threshold voltage must satisfy the relation:
    0.15 × U_max ≤ U_threshold ≤ 0.40 × U_min
    ensuring reliable and unmistakable voltage presence detection.

  • Material and Dielectric Testing
    For separate detectors completed by insulating poles, only dielectric testing of the indicator's casing is required. This focuses testing efforts on critical insulating parts to ensure safe operation.

  • Protection and Insulation Testing
    Detailed procedures are specified for protection against voltage bridging in indoor and outdoor detectors. Tests involve applying voltages to metal bars simulating operating conditions and confirming no flashover or breakdown occurs during radial and surface insulation stress.

  • Illustrations and Diagrams
    Various figures (e.g., 2a, 2b, 3 series, 4a, 7b) are updated to clarify configurations with or without contact electrode extensions and to illustrate testing setups, ensuring practical understanding.

Applications

IEC 61243-1 amendment 1 is critical for manufacturers, testers, and users of capacitive voltage detectors intended for live working environments at voltages above 1 kV a.c. Key applications include:

  • Electrical Safety Compliance
    Ensuring voltage detectors meet internationally recognized safety and performance criteria reduces risks of electrical accidents during maintenance or operational testing.

  • Live Line Maintenance
    Devices adhering to this standard provide dependable voltage presence detection, allowing workers to operate safely on energized lines without unnecessary outages.

  • Equipment Design and Manufacturing
    Designers and manufacturers rely on this amendment to develop capacitive voltage detectors that comply with updated insulation, material, and operational requirements.

  • Quality Assurance and Testing
    Testing laboratories apply the defined dielectric and insulation stress tests to certify devices as safe and effective for use on high-voltage electrical installations.

Related Standards

IEC 61243-1:1993/AMD1:1997 is part of a comprehensive suite of IEC standards addressing live working equipment and procedures, including:

  • IEC 61235:1993 – Live working – Insulating hollow tubes for electrical applications
  • IEC 60855:1985 – Insulating foam-filled tubes and solid rods for live working
  • IEC 61243-2 (1995) – Voltage detectors – Resistive type for 1 kV to 36 kV a.c.
  • IEC 60900:1987 – Hand tools for live working up to 1000 V a.c. / 1500 V d.c.
  • IEC 60903:1988 – Specification for gloves and mitts of insulating materials
  • IEC 61278:1997 – Guidelines for dielectric testing of tools and equipment
  • IEC 61318:1994 – Guidelines for quality assurance plans for live working equipment

Together, these standards deliver a holistic framework ensuring the safety and reliability of equipment and procedures used in live electrical work.


This amendment to IEC 61243-1 standard plays a crucial role in enhancing the reliability and safety of capacitive voltage detectors used on high-voltage alternating current installations. Its clear definitions, testing requirements, and alignment with related IEC standards ensure practitioners and manufacturers can confidently meet international best practices for live working environments.

Standard

IEC 61243-1:1993/AMD1:1997 - Amendment 1 - Live working - Voltage detectors - Part 1: Capacitive type to be used for voltages exceeding 1 kV a.c. Released:6/10/1997 Isbn:2831838975

English and French language
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Frequently Asked Questions

IEC 61243-1:1993/AMD1:1997 is a standard published by the International Electrotechnical Commission (IEC). Its full title is "Amendment 1 - Live working - Voltage detectors - Part 1: Capacitive type to be used for voltages exceeding 1 kV a.c.". This standard covers: Amendment 1 - Live working - Voltage detectors - Part 1: Capacitive type to be used for voltages exceeding 1 kV a.c.

Amendment 1 - Live working - Voltage detectors - Part 1: Capacitive type to be used for voltages exceeding 1 kV a.c.

IEC 61243-1:1993/AMD1:1997 is classified under the following ICS (International Classification for Standards) categories: 13.260 - Protection against electric shock. Live working; 29.240.20 - Power transmission and distribution lines; 29.260.99 - Other electrical equipment for working in special conditions. The ICS classification helps identify the subject area and facilitates finding related standards.

IEC 61243-1:1993/AMD1:1997 has the following relationships with other standards: It is inter standard links to IEC 61243-1:2003. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

IEC 61243-1:1993/AMD1:1997 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.

Standards Content (Sample)


NORME
CEI
INTERNATIONALE
IEC
61243-1
INTERNATIONAL
STANDARD
AMENDEMENT 1
AMENDMENT 1
1997-06
Amendement 1
Travaux sous tension –
Détecteurs de tension –
Partie 1:
Détecteurs de type capacitif pour usage
sur des tensions alternatives de plus de 1 kV
Amendment 1
Live working –
Voltage detectors –
Part 1:
Capacitive type to be used
for voltages exceeding 1 kV a.c.

 IEC 1997 Droits de reproduction réservés  Copyright - all rights reserved
International Electrotechnical Commission 3, rue de Varembé Geneva, Switzerland
Telefax: +41 22 919 0300 e-mail: inmail@iec.ch IEC web site http: //www.iec.ch
CODE PRIX
Commission Electrotechnique Internationale
PRICE CODE F
International Electrotechnical Commission
Pour prix, voir catalogue en vigueur
For price, see current catalogue

– 2 – 61243-1 amend. 1 © CEI:1997

AVANT-PROPOS
Le présent amendement a été établi par le comité d'études 78 de la CEI: Travaux sous tension.

Le texte de cet amendement est issu des documents suivants:

FDIS Rapport de vote
78/213/FDIS 78/222/RVD
Le rapport de vote indiqué dans le tableau ci-dessus donne toute information sur le vote ayant

abouti à l’approbation de cet amendement.
____________
Page 6
1 Domaine d'application
Remplacer le texte du deuxième alinéa par ce qui suit:
Cette partie s’applique uniquement aux détecteurs de tension capacitifs utilisés en contact
avec la pièce à essayer, en une seule partie, perche isolante comprise, couverte par la
CEI 61235 ou la CEI 60855, ou en dispositif séparé complété par une perche isolante
adaptable couverte par la CEI 61235 ou la CEI 60855. Les autres types de détecteurs de
tension ne sont pas couverts par cette partie de la norme.
Page 6
2 Références normatives
Insérer, dans la liste existante, le titre de la norme suivante:
CEI 61235: 1993, Travaux sous tension – Tubes creux isolants pour travaux électriques

Page 14
4.2.1 Indication indiscutable
Supprimer le texte du deuxième tiret en 4.2.1.1 et le remplacer par ce qui suit:
– Classe B: Détecteur avec une plage étroite de tensions nominales, par exemple:
U max. ≈ 2 U min.
n n
La tension de seuil U doit satisfaire à la relation suivante:

t
0,15 U max. ≤ U ≤ 0,40 U min.

n t n
61243-1 Amend. 1 © IEC:1997 – 3 –

FOREWORD
This amendment has been prepared by IEC technical committee 78: Live working.

The text of this amendment is based on the following documents:

FDIS Report on voting
78/213/FDIS 78/222/RVD
Full information on the voting for the approval of this amendment can be found in the report on

voting indicated in the above table.
___________
Page 7
1 Scope
Replace the text of the second paragraph by the following:
This part applies only to capacitive voltage detectors used in contact with the part to be
tested, as a single unit including its insulating pole as covered by IEC 61235 or IEC 60855,
or as a separate device completed by an adaptable insulating pole covered by IEC 61235 or
IEC 60855. Other types of voltage detectors are not covered by this part of the standard.
Page 7
2 Normative references
Insert, in the existing list, the title of the following standard:
IEC 61235: 1993, Live working – Insulating hollow tubes for electrical purposes

Page 15
4.2.1 Clear indication
Delete the text of the second dash in 4.2.1.1 and replace it by the following:
– Class B : Detector with a narrow range of nominal voltages, e.g.:
U max. ≈ 2 U min.
n n
The threshold voltage U shall satisfy the following relationship :

t
0,15 U max. ≤ U ≤ 0,40 U min.

n t n
– 4 – 61243-1 amend. 1 © CEI:1997

Page 38
6.3.1.2 Matériau utilisé dans un détecteur en élément séparé complété par une perche
isolante
Remplacer le texte de ce paragraphe par ce qui suit:

Seul l'essai diélectrique du boîtier de l'indicateur est exigé (voir 7.2.1).

6.3.2 Protection de contournement pour détecteur de type intérieur

Remplacer le texte du premier alinéa par ce qui suit:
La tension d'essai doit être appliquée aux barres comme indiqué à la figure 7c.
Remplacer, à la page 40, le texte des quatre derniers alinéas précédant le tableau 5 par ce qui
suit:
6.3.2.1 Isolation – Essai sous contrainte radiale et de surface
A l’écartement étroit d , le détecteur doit être placé sur la barre avant, son électrode de contact
appuyant sur la barre arrière. Le détecteur est ensuite roulé le long des barres (voir figure 7a),
vers la position 1, l’électrode de contact restant en contact avec la barre arrière, jusqu’à ce que
la marque limite soit sur la barre avant.
L’essai doit être considéré comme satisfaisant s’il ne se produit pas d’amorçage ni de
claquage.
6.3.2.2 Isolation – Essai sous contrainte de surface
Le détecteur doit être placé sur les barres à l’écartement étroit d , l’isolation à proximité de
l’électrode de contact étant en contact avec la barre arrière (voir figure 7a, position 2). Il est
ensuite retourné sans rouler et poussé en avant jusqu’à ce que la marque limite soit sur la
barre arrière. La longueur d’isolation en essai est toujours d .
L’essai doit être considéré comme satisfaisant s’il ne se produit pas d’amorçage ni de
claquage.
Pour un détecteur sans allonge d'électrode de contact et pour lequel la profondeur d'insertion
A est plus courte que d , seul l’essai de 6.3.2.2 est effectué, à la position initiale. Un essai
I 1
supplémentaire est exigé selon 7.2.1.
Page 42
6.3.3 Protection de contournement pour détecteur de type extérieur
Remplacer, à la page 44, dans le dernier alinéa, «la distance a » par «la distance d ».
3 3
61243-1 Amend. 1 © IEC:1997 – 5 –

Page 39
6.3.1.2 Materials used in a detector as a separate unit completed by an insulating pole

Replace the text of this subclause by the following:

Only a dielectric test of the indicator casing cover is required (see 7.2.1).

6.3.2 Protection against bridging for an indoor type detector

Replace the text of the first paragraph by the following:
The test voltage shall be applied to the bars as shown in figure 7c.
Replace, on page 41, the text of the last four paragraphs preceding table 5 by the following:
6.3.2.1 Insulation – Radial and surface stress test
At the narrow point d , the detector shall be placed on the front bar, with the contact electrode
pressing against the rear bar. The detector is then rolled along the bars (see figure 7a), in the
direction of position 1, with the contact electrode remaining in contact with the rear bar, until
the limit mark is on the front bar.
The test shall be considered as passed if no flashover or breakdown occurs.
6.3.2.2 Insulation – Surface stress test
The detector shall be placed on the bars at narrow point d , with the insulation adjacent to the
contact electrode on the rear bar (see figure 7a, position 2). It is then, without rolling,
continuously rotated and at the same time pushed forward until the limit mark is on the rear
bar. The length of insulation under test is always d .
The test shall be considered as passed if no flashover or breakdown occurs.
For a detector without a contact electrode extension and for which the insertion depth A is
I
shorter than d , only the test of 6.3.2.2 is done, and at the initial position. An additional test is
required according to 7.2.1.
Page 43
6.3.3 Protection against bridging for an outdoor t
...

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