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to read the line voltage supplied to an appliance, you should connect the voltmeter a. in series with the power supply B. between the grounded wire and the water pipe C. across the power supply D. between terminals of two adjacent circuit parts

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Answer: D

Explanation

To read the line voltage supplied to an appliance, you should connect the voltmeter between the 2 lines,another option is to connect the hot wires in a 220 volt system or between the line or hot and neutral in a 110 volt system. Never measure line voltage to ground except you have a specific reason to do so, that is if you are checking for a bad ground or improper wiring.

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