A system that supplies a ____ and is derived from a transformer rated no more than 1000 volt-amperes does not require a grounding electrode conductor.

Question

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Class 1, 2, or 3 circuits that are supplied by a system derived from a transformer rated no more than 1000 volt-amperes do not require a grounding electrode conductor according to electrical codes. These classes refer to low-voltage and limited energy circuits which have specific safety provisions, including reduced shock hazards.

A System That Supplies a ____ and Is Derived from a Transformer