Arc welding equipment - Part 12: Coupling devices for welding cables

IEC 60974-12:2011 is applicable to coupling devices for cables used in arc welding and allied processes, designed for connection and disconnection without using tools. This part of IEC 60974 specifies safety and performance requirements of coupling devices. This part of IEC 60974 is not applicable to coupling devices for underwater welding. This third edition cancels and replaces the second edition published in 2005. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- dimensions given in Annex A become normative,
- designation is based on the range of cross-sectional area of the welding cable intended to be connected.

Matériel de soudage à l'arc - Partie 12: Dispositifs de connexion pour câbles de soudage

La CEI 60974-12:2011 s'applique aux dispositifs de connexion pour câbles utilisés lors du soudage et des techniques connexes conçus pour assurer les opérations de connexion et de déconnexion sans emploi d'outils. La présente partie de la CEI 60974 spécifie les exigences de sécurité et de performance pour les dispositifs de connexion. Cette partie de la CEI 60974 ne s'applique pas aux dispositifs de connexion utilisés pour le soudage sous l'eau. Cette troisième édition annule et remplace la deuxième édition parue en 2005. Cette édition constitue une révision technique. Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
- les dimensions données en Annexe A deviennent normative,
- la désignation est basée sur la plage de la section du câble de soudage prévue pour être connectée.

General Information

Status
Published
Publication Date
17-May-2011
Technical Committee
Drafting Committee
Current Stage
DELPUB - Deleted Publication
Start Date
15-Oct-2021
Completion Date
08-Jul-2022
Ref Project

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IEC 60974-12 ®
Edition 3.0 2011-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Arc welding equipment –
Part 12: Coupling devices for welding cables

Matériel de soudage à l’arc –
Partie 12 : Dispositifs de connexion pour câbles de soudage

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IEC 60974-12 ®
Edition 3.0 2011-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Arc welding equipment –
Part 12: Coupling devices for welding cables

Matériel de soudage à l’arc –
Partie 12 : Dispositifs de connexion pour câbles de soudage

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX M
ICS 25.160.30 ISBN 978-2-88912-502-9

– 2 – 60974-12  IEC:2011
CONTENTS
FOREWORD . 3
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Environmental conditions . 6
5 Type tests . 6
5.1 Test conditions . 6
5.2 Test sequence . 6
6 Designation . 6
7 Protection against electric shock . 7
7.1 Voltage rating . 7
7.2 lnsulation resistance . 7
7.3 Dielectric strength . 8
7.3.1 General requirement . 8
7.3.2 Additional requirements for striking and stabilizing voltage rating . 8
7.4 Protection of live parts against unintentional contact . 8
8 Thermal rating . 9
8.1 Temperature rise . 9
8.2 Resistance to hot objects . 9
9 Mechanical requirements . 10
9.1 Retaining means . 10
9.2 Welding cable entry . 10
9.3 Penetration of the welding cable insulation . 10
9.4 Welding cable connection . 10
9.5 Crush strength. 10
9.6 Dimensions . 11
10 Marking . 11
11 Instructions for use . 11
Annex A (normative) Dimensions . 12

Figure 1 – Device for testing the resistance to hot objects . 9
Figure A.1 – Male element . 12
Figure A.2 – Female element . 12

Table 1 – Relation between coupling device test current and welding cables' cross-
sectional area . 7
Table 2 – Voltage rating of coupling devices . 7
Table 3 – Crush force . 11
Table A.1 – Dimensions for Figures A.1 and A.2 . 13

60974-12  IEC:2011 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
ARC WELDING EQUIPMENT –
Part 12: Coupling devices for welding cables

FOREWORD
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patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 60974-12 has been prepared by IEC technical committee 26:
Electric welding.
This third edition cancels and replaces the second edition published in 2005. This edition
constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
• dimensions given in Annex A become normative;
• designation is based on the range of cross-sectional area of the welding cable intended to
be connected.
– 4 – 60974-12  IEC:2011
The text of this standard is based on the following documents:
FDIS Report on voting
26/441/FDIS 26/446/RVD
Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
A list of all parts of the IEC 60974 series can be found, under the general title Arc welding
equipment, on the IEC website.
In this standard, the following print types are used:
- conformity statements: in italic type.
The committee has decided that the contents of this publication will remain unchanged until
the stability date indicated on the IEC web site under "http://webstore.iec.ch" in the data
related to the specific publication. At this date, the publication will be
• reconfirmed,

...

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