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Testing appliances with long power cords

Testing appliances with long power cords

When testing appliances with long power cords, usually longer than 5m, it can be necessary to allow for the additional cord resistance. Most modern Portable Appliance Testers have pre programmed pass limits. These are based on the limits specified in the Code of Practise for In-Service Inspection and Testing of Electrical Equipment. However, the true pass limit depends on the appliance to be tested. The pre-programmed limit may not be suitable for all appliances. Moving the goal posts can be justified in particular circumstances when a test initially fails.

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