Using a non-powered test light
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Non-powered test lamps are very useful to determine a live part of a circuit.
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Using a lead light
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Also known as drop lights or utility lights, the light they produce can make locating components and faults easier and more accurate.
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Using a DVOM to measure continuity
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When checking continuity with a DVOM, the power supplied to the circuit during operation MUST be switched OFF.
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| Using a DVOM to measure voltage |
Always follow the specific manufacturer's instructions in the use of the meter, or serious damage either to the meter and/or to the electrical circuit could result. |
