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  • 08/30195422 DC : 0

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    BS EN 60974-4 - ARC WELDING EQUIPMENT - PART 4: PERIODIC INSPECTION AND TESTING

    Available format(s):  Hardcopy, PDF

    Superseded date:  31-05-2011

    Language(s):  English

    Published date: 

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    FOREWORD
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 General requirements
      4.1 Qualification of test personnel
      4.2 Test conditions
      4.3 Measuring instruments
      4.4 Periodic inspection and test
      4.5 Maintenance
      4.6 Repair
      4.7 Test sequence
    5 Protection against electrical shock
      5.1 Visual inspection
      5.2 Continuity of the protective circuit
      5.3 Insulation resistance
      5.4 Welding circuit leakage current
      5.5 Primary leakage current
      5.6 No-load voltage (U[0])
    6 Functional test
      6.1 Function
      6.2 Supply-circuit on/off switching device
      6.3 Voltage-reducing device
      6.4 Magnetic gas valve
      6.5 Signal and control lamps
    7 Documentation
      7.1 Test report
      7.2 Labelling
    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

    General Product Information - (Show below) - (Hide below)

    Comment Closes On
    Committee WEE/6
    Document Type Draft
    Publisher British Standards Institution
    Status Superseded
    Superseded By

    Standards Referencing This Book - (Show below) - (Hide below)

    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 60974-1:2017 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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