CFR > Title 46 - Shipping > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER T—SMALL PASSENGER VESSELS (UNDER 100 GROSS TONS) (parts 175 to 186) > PART 183—ELECTRICAL INSTALLATION > SUBPART C—Power Sources and Distribution Systems (§183.310 to §183.392) > 183.324—Dual voltage generators.

183.324—Dual voltage generators.

(a) A dual voltage generator installed on a vessel shall be of the grounded type, where:
(1) The neutral of a dual voltage system must be solidly connected at the switchboard's neutral bus; and
(2) The neutral bus shall be connected to ground.
(b) The neutral of a dual voltage system must be accessible for checking the insulation resistance of the generator to ground before the generator is connected to the bus.
(c) Ground detection must be provided that:
(1) For an alternating current system, meets § 111.05-27 in subchapter J of this chapter; and
(2) For a direct current system, meets § 111.05-29 in subchapter J of this chapter.