MAINTENANCE SKILLS TEST

ELECTRICAL. On a 110 volt circuit, where the white wire is common; the black wire would normally be: 24 volts. 110 volts. 220 volts. 440 volts. None of the above. On a 220 volt circuit, where the white wire is common, the red wire would normally be: 24 volts. 110 volts. 220 volts. 440 volts. None of the above ................
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