This part of the legislation deals with electrical installations of demolition or construction sites. In NSW, this is carried out by Safe Work NSW, for example.Įlectrical Installations – Construction and Demolition Sites Individual states and territories have their own regulatory bodies, responsible for enforcing the test and tag standard, and to ensure that companies comply with the various requirements.
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Test and tag regulations determine that both the person responsible for introducing the appliance and the employer (who is ultimately liable) could be charged. Significant penalties may be applied if an incident were to occur, and equipment was found to be unsafe, or testing requirements had been overlooked. The list is quite comprehensive and includes appliances or equipment that are introduced to the workplace on a temporary basis, such as electric drills, battery chargers, and so on. The government is particularly keen to enforce testing frequencies and comprehensive record-keeping, but it also lays down testing and inspection specifications for those who are responsible. When it comes to testing and tagging, Australian standards are some of the most stringent in the world.
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The main thrust of this Australian Standard is to ensure that the workplace is safe when it comes to 3 phase, 240 volt and low voltage electrical equipment.
#Australian standard 3760 portable
TABLE C2 – Colour schemes of conductor insulation in modern sheathed flexible cordsįigure 4.5 from AS/NZS 3000 showing equipment connected to the installation wiringby equipment wiringįIGURE D1 – Measurement of the earth continuity resistancebetween accessible earthed metal parts and the earth pin of the mains plugįIGURE D2 – Measurement of the earth continuity resistancebetween the mains plug earth pin and the earthing aperture contacts of an EPODįIGURE E1 – Leakage current test setup using differential test methodfor Class II three-phase equipmentįIGURE E2 – Leakage current test setup using differential test methodfor Class II single-phase equipmentįIGURE E3 – Measurement of the insulation resistance between live supply conductorsand accessible earthed parts of typical Class I equipmentįIGURE E4 – Measurement of the insulation resistance between live supply conductorsand accessible metal parts of a typical Class II equipmentįIGURE E5 – Measurement of the insulation resistance of an EPODįIGURE F1 – Measurement of the insulation resistance between live supply conductorsto a portable isolating transformer and accessible earthed parts for Class Iisolating transformers or accessible metal parts for Class II isolating transformersįIGURE F2 – Measurement of the insulation resistance between live supply conductorsand the portable isolating transformer output (secondary) windingįIGURE F3 – Measurement of the insulation resistance betweena portable isolating transformer (secondary) winding and accessible earthed partsfor Class I isolating transformersįIGURE G1 – Measurement of the insulation resistance of a power supplyįigure 4.In Australia, the government ensures that electrical equipment is as safe as possible through a series of regulations known as AS3760.
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TABLE C1 – Conductor colours for flexible cords TABLE 4 – Indicative testing and inspection intervals for electrical equipment 2.4 ACTION RESULTING FROM INSPECTION AND TESTINGĪ2 PRINCIPLES OF CONSTRUCTION OF ELECTRICAL EQUIPMENTĪPPENDIX B - GUIDELINES ON THE ELECTRICAL KNOWLEDGEOF A COMPETENT PERSONĪPPENDIX C - POLARITY FOR CORD SETS ANDCORD EXTENSION SETSĪPPENDIX F - INSULATION RESISTANCE TESTING OF PORTABLEISOLATING TRANSFORMERSĪPPENDIX G - INSULATION RESISTANCE TESTING OF A POWER SUPPLYĪPPENDIX H - TEST FOR THE OPERATING TIMEOF RESIDUAL CURRENT DEVICES (RCDS)ĪPPENDIX K - REGULATORY APPLICATION OF THIS STANDARD