Gas appliances and equipment isolation requirements clarified.Requirements for cooking appliance switching devices clarified for improved safety outcomes.Requirements for the safe installation of recessed luminaires have been enhanced, and an updated list of luminaire classifications added.Requirements for lighting equipment and accessories have been revised.Electric vehicle socket-outlet requirements now included.The requirements for installation wiring connected via an installation coupler have been revised.Revised figures identify where IP rated equipment is to be installed.Further clarification has been provided regarding rising mains tee-offs.Requirements for switchboard installations at 800 A or greater have been enhanced, including access and egress, switchroom door sizes and minimum clearances around switchboards in switchrooms.A new clause on arc fault detection devices and their installation requirements has been added.Illustration of basic clearances for switchboard access has been updated.
Requirements for RCD protected circuits in domestic, non-domestic, non-residential and medical installations have been added, and RCD requirements for alterations and repairs clarified.Protection requirements for switchboard internal arcing faults have been enhanced.Discrimination/selectivity of protective devices has been expanded.Requirements for alternate positions of short circuit protective devices have been updated.Positions of overload protective devices have been clarified.Requirements for main switch operations have been added.Origin requirements of sub-mains and final sub-circuits have been added.Operating characteristics of switchgear, control gear and switchboards have been added.Part 2 provides installation practices that are deemed to comply with the requirements of Part 1. To detail requirements for designers or installers seeking to apply an alternative method to the ‘deemed to comply’ methods contained in Part 2.This mechanism is intended to apply where departures from the methods in Part 2 are significant rather than minor aspects that remain within the flexibility of Part 2. To provide a mechanism for acceptance of alternative design and installation practices that are not addressed in, or are inconsistent with those given in the ‘deemed to comply’ Part 2.To maintain alignment with IEC 60364, Low voltage electrical installations (series), developments at the level of essential safety.To establish the ‘deemed to comply’ status of Part 2, confirming that installations that comply with Part 2 comply with the requirements of Part 1.Failure to comply with a work method in Part 2 would breach the requirements of Part 1 unless an alternative method is used. To establish an enforcement link to Part 2.To provide high level safety performance outcomes/conditions without prescriptive work methods that demonstrate means of compliance (which are in Part 2).To be generally complete in itself to avoid cross-referencing to Part 2.Part 1 satisfies the following objectives:
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