AS/NZS 3760:2022 In-Service Safety Inspection and Testing of Electrical Equipment and RCDs 2.4.3-transformers: 2.4 Testing: portable isolating transformers and power supplies (Appendices F and G)

Portable isolating transformers are tested by the method in normative Appendix F and power supplies such as plug packs and adaptors by the method in Appendix G; the insulation resistance between the specified parts must meet the minimum set for them (1 megohm in the 2010 edition).

Other controls in Section 2: Inspection and tests – AS/NZS 3760:2022 In-Service Safety Inspection and Testing of Electrical Equipment and RCDs

2.1 2.1 General: visual inspection, physical checks and tests
2.2 2.2 Frequency of inspection and tests
2.3 2.3 Personnel: competent person
2.4.1 2.4.1 Content of in-service inspection and testing
2.4.2 2.4.2 Visual and physical inspection
2.4.3-earth 2.4 Testing: protective earth continuity (Appendix D)
2.4.3-insulation 2.4 Testing: insulation resistance or leakage current (Appendix E, Tables 2.1 and 2.2)
2.4.3-polarity 2.4 Testing: polarity of rewireable plugs and extension sockets (Appendix C)

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