Code Quiz: Ground Fault Protection of Equipment

NEC guidelines on ground fault protection of equipment

Which of the following installations does not require ground fault protection of equipment?

A. Branch circuit disconnect rated 1,200A, 480V/277V, 3-phase, 4-wire, in an industrial building where this branch circuit is supplying equipment that is not part of a continuous industrial process where a non-orderly shutdown will introduce additional hazards.

B. Branch circuit disconnect rated 1,200A, 480V/277V, 3-phase, 4-wire, for equipment that

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