Testing and tagging an extension lead is one of the simpler tests to conduct. You’ll find that all appliance testers that conform to Australian Standards AS/NZS 3760 will have this test available, and is usually completed by the push of a button.
Similarly to other items, the visual inspection is most important part and an area where defects are most likely to be found.
Please remember:
- Perform a thorough visual inspection – checking the pins, modifications, abrasions, twists etc.
- Tests which are performed include Earth Continuity, Insulation Resistance and Polarity.
- Domestic leads can’t be taken onto construction sites – minimum requirement is 1.0mm² (see Table 1 below).
- People working in construction should be checking the cross-sectional area on the cable to be compliant.
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