As per the definition in Art. 100 of the 2014 NEC, what is the voltage to ground value on a circuit in a 480V ungrounded system. For ungrounded circuits, “voltage to ground” is defined as “the ...
The voltage at which a surge suppressor performs its suppression tasks such as diverting the power line to ground or absorbing the excessive energy. For 120-volt AC power, the clamping voltage is ...
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