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IEC 60974-4:2016

Current
Current

The latest, up-to-date edition.

Arc welding equipment - Part 4: Periodic inspection and testing
Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English - French

Published date

21-07-2016

FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
5 Protection against electrical shock
6 Functional test
7 Documentation
Annex A (informative) - Check-list for the visual
        inspection
Annex B (informative) - Example of a test report
        after repair
Annex C (informative) - Equipment not built in
        accordance with IEC 60974-1

IEC 60974-4:2016 specifies test procedures for periodic inspection and, after repair, to ensure electrical safety. These test procedures are also applicable for maintenance. This standard is applicable to power sources for arc welding and allied processes designed in accordance with IEC 60974-1 or IEC 60974-6. Stand-alone ancillary equipment designed in accordance with other parts of IEC 60974 may be tested in accordance with relevant requirements of this part of IEC 60974. This third edition cancels and replaces the second edition published in 2010. It constitutes a technical revision. The main significant technical changes with respect to the previous edition are the following:
- With regard to basic standards the term "leakage current" has been replaced by "touch current" and "protective conductor current".
- Measurements of circuits connected in a non-galvanic way shall be tested according to the information of the manufacturer.
- The order of the chapters dealing with measurements to be carried out has been changed.
- The example test report in Annex B has been adapted.

Committee
TC 26
DevelopmentNote
Stability Date: 2020. (07/2016)
DocumentType
Standard
Pages
33
PublisherName
International Electrotechnical Committee
Status
Current
Supersedes

IEC 60974-1:2017 Arc welding equipment - Part 1: Welding power sources
17/30346770 DC : 0 BS EN 60974-9 - ARC WELDING EQUIPMENT - PART 9: INSTALLATION AND USE
I.S. EN 60974-9:2010 ARC WELDING EQUIPMENT - PART 9: INSTALLATION AND USE
EEMUA 143 : 1985 RECOMMENDATIONS FOR TUBE END WELDING
BS EN 60974-9:2010 Arc welding equipment Installation and use
07/30173638 DC : 0 BS EN 60974-9 - ARC WELDING EQUIPMENT - PART 9: INSTALLATION AND USE
EN 60974-9:2010 Arc welding equipment - Part 9: Installation and use

IEC 60050-195:1998 International Electrotechnical Vocabulary (IEV) - Part 195: Earthing and protection against electric shock
IEC 60050-151:2001 International Electrotechnical Vocabulary (IEV) - Part 151: Electrical and magnetic devices
IEC 60974-6:2015 Arc welding equipment - Part 6: Limited duty equipment
IEC 60974-1:2017 Arc welding equipment - Part 1: Welding power sources
IEC 61557-4:2007 Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 4: Resistance of earth connection and equipotential bonding
IEC 60050-851:2008 International Electrotechnical Vocabulary (IEV) - Part 851: Electric welding

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