(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.