EnergySafe Magazine Winter 2016, issue 44 | Page 14

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Electrical Q & A

Your electrical questions answered !

Compiled by ESV ’ s Electricity Technical Advisor , John Stolk
EnergySafe continues its regular series featuring some of the questions that ESV receives on a range of electricity installation issues , some of them relating to gas installations . Also provided are the answers together with references to the Acts , Standards , Regulations and Clauses that apply to them .
Question Answer Standard Clause
Can non-prescribed electrical work be included on a Prescribed Certificate of Electrical Safety ?
Yes , only when the non-prescribed electrical installation work is completed at the same time as the prescribed electrical installation work .
Electricity Safety Act 1998
45A ( 2 )( a )
Am I required to issue a Certificate of Electrical Safety for minor repair work such as the replacement of a socket outlet or an architrave switch ?
Yes , performing minor repairs is electrical installation work , and the person who is responsible for the carrying out of electrical installation work must ensure that a Certificate of Electrical Safety is completed in respect of that work and in the required timeframe give the completed copy of the certificate to the person for whom the work was carried out and provide a copy to Energy Safe Victoria .
Electricity Safety Act 1998
Section 45A ( 1 )
Can I install underground consumer ’ s mains at a depth of 300mm under a concrete driveway in compliance with clause 3.11.4.4 of AS / NZS 3000:2007 ?
No , consumer ’ s mains are required to be installed with a minimum depth of cover of 500mm from the top of the additional protection to the surface of the ground .
Electricity Safety ( Installations ) Regulations 2009
Regulation 214 ( 1 )
I have been asked to install an enclosed spray painting booth , I have been told there are no electrical components installed directly in the hazardous area but it does have electrical control equipment installed for the protection of the hazardous area . Is the installation non-prescribed ?
No , all electrical equipment installed within the hazardous area and all electrical equipment installed outside the hazardous area that is associated with the protection of the hazardous area is prescribed electrical installation work .
Electricity Safety ( Installations ) Regulations 2009
Regulation 238 ( 1 )( h )
I have been issued a defect notice from my electricity distributor stating that the one pole of my two pole private overhead electric line has only 30mm of sound wood .
I am further advised because the area is rated as having a high fire risk I cannot replace the pole and need to install an underground supply , is this correct ?
Yes , a private overhead electric line that is to be constructed or substantially reconstructed in a hazardous bushfire risk area must be placed underground . Substantial reconstruction means in the case of a private overhead electric line the replacement of more than 20 per cent of the wiring or more that 20 per cent of the poles in a line supporting the wiring . The replacement of one pole of a two pole overhead private electric line is 50 per cent and exceeds the 20 per cent .
Electricity Safety ( Installations ) Regulations 2009
Regulation 220
I am inspecting a replaced switchboard – am I required to inspect the whole of the installation ?
No , but the licensed electrical inspector has to attend the electrical installation address stated on the certificate of compliance ; and : »» carry out inspection of the electrical installation in accordance with the Australian / New Zealand Wiring Rules and these regulations »» carry out testing of the electrical installation in accordance with regulation 231 »» in circumstances where the inspector knows or should be reasonably expected to know that the premises or land related to the electrical installation work being inspected will be electrically unsafe to connect to electricity supply or unsafe to use , has stated on the certificate of inspection that the installation appears to be electrically unsafe .
Electricity Safety ( Installations ) Regulations 2009
Regulation 242