Safety and inspection of electrical equipment revised Standard published AS NZS 3760

05/10/2010

6 October 2010

A revised Standard for the safety inspection and testing of electrical equipment has recently been published.

'The revisions to AS/NZS 3760 will help to assure users that electrical equipment is safe when it has been tested and marked in accordance with this Standard,' says Derek Johns, Chairman of EL-036 In-service safety inspection and testing of electrical equipment.

In-service safety inspection and testing of electrical equipment AS/NZS 3760:2010 provides a process to reduce the risk of electrical shock to users of electrical equipment. The Standard covers electrical equipment that connects to the mains supply by a flexible cord and plug. AS/NZS 3760 is used by electricians and electrical contractors that inspect electrical equipment.

AS/NZS 3760 has been completely revised and the key changes to the Standard are as follows.

  • Requirements for medical electrical equipment have been clarified to reduce confusion between the use of AS/NZS 3760 and AS/NZS 3551:2004 Technical management programs for medical devices.
  • Table 4 has been reviewed to align with the Electricity (Safety) Regulations 2010. Changes have been made to some requirements, including allowing for the intervals between testing to be varied, based on a risk analysis.
  • Equipment with functional earthing has been identified – such equipment does not need an earth continuity test.
  • The Standard now includes information for leakage current tests on Class II single-phase and three-phase equipment, and leakage current test methodology for equipment that is normally immersed in water.
  • New information to test three phase residual current devices (RCDs) and electrical equipment has been added to improve user safety.

Order the Standards below from Standards New Zealand's website www.standards.co.nz, or call 0800 782 632 during business hours, or email enquiries@standards.co.nz.

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Barbara Crocker
Standards New Zealand
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