Fault detection (definition; trouble shooting); Tools for fault detection; Safety requirements in electrical wiring

Fault Detection (Definition, Trouble shooting) Tools for Fault Detection

When an appliance will not work, we need to trouble shoot the problem. The problem may be:

 	in the power supply (is the battery flat?)

 	in the appliance (has the bulb blown?)

 	in the wiring (has a wire loosed, or is a switch faulty?).

With any electrical problem, there is a sequence of steps to be followed in order to solve the problem:


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