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New edition of the Wiring Rules Standards Australia has released a 2007 edition of the Wiring Rules. This new edition is entitled AS/NZS 3000:2007, and are required as a mandatory basis from June 2008. All contractors are to be fully conversant with AS/NZS
3000:2007. • Extended application of Residual Current Devices (RCDs) and testing for correct operation • Protection against arcing faults • Requirements for selectivity (discrimination) between circuits • Strengthening of requirements for the prevention of the spread of fire • Enhanced requirements for recessed luminaires • Requirements for sanitisation areas in the food processing industry • Inclusion of detailed guidance material removed from the 2000 edition • More intuitive index, additional appendices, illustrations and background information.
Australian Wiring Rules AS/NZS 3000:2007. Section 4.5.2.3 Recessed Luminairs. Recessed luminaire clearances Clause 4.5.2.3 now requires that recessed luminaries and auxiliary equipment be installed in a manner designed to minimise temperature rise and prevent the risk of fire (generally below 93o C). Clause 5.5.1.3 Labelling of the main earthing connection The main earth connection shall have a permanent label attached at the connection to the electrode with legible warning against disconnection in the following form: WARNING: ‘MAIN ELECTRICAL EARTHING CONDUCTOR-DO NOT DISCONNECT’ Note: the label is required to last the life of the building. The label must be made of a material that resists mechanical damage and environmental conditions.
Safety Switches. Changes in the new edition reflect the increasing use of residual current devices "Safety Switches"(RCDs) to all socket outlets and lighting circuits rated up to 20 A and include restricting the number of circuits that can be connected to any one RCD and the required division of lighting circuits over RCDs." Testing. Fault Loop Impedance. Fault loop impedance testing must be carried out as part of any electrical work that involves the connecting of a appliance or outlet to a circuit to guarantee the Electrical safety of a circuit. AS/NZS 3000 Wiring Rules applies throughout Australia and New Zealand and is referenced in whole or in part in legislation in all states of Australia and in New Zealand, as a minimum requirement.
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Admin (07) 32007111, Mobile: 0401 076 888 Show Room, Training Room, Workshop and Office. 20/28 Burnside Road Yatala 4207. Last modified: 03/09/10 |