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Insulation Resistance Tests

Answer

Using a specialised tester that applies a 500VDC or 1000VDC to a circuit to indicate if there is an issue with the cabling in the circuit. NOTE all lamps and appliances must be disconnected from the circuit before the etsts are undertaken.

Used as:

A quality control measure at the time a piece of electrical equipment is produced;

An installation requirement to help ensure specifications are met and to verify proper hookup;

A periodic preventive maintenance task; and

A troubleshooting tool.

 

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