C.F.R. » Title 46 » CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY › SUBCHAPTER J—ELECTRICAL ENGINEERING › PART 111—ELECTRIC SYSTEMS—GENERAL REQUIREMENTS › Subpart 111.05—Equipment Ground, Ground Detection, and Grounded Systems

46 C.F.R. § 111.05-21

Ground detection

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There must be ground detection for each:

(a) Electric propulsion system;

(b) Ship's service power system;

(c) Lighting system; and

(d) Power or lighting distribution system that is isolated from the ship's service power and lighting system by transformers, motor generator sets, or other devices.