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 is part of a continuous industrial process where a ...
Website Registration Required to Access this Content
Only registered users have access to Silver content.
Registration on EC&M allows you exclusive access to high value content centered around proprietary research, expert NEC analysis and in-depth technical procedures.