46 C.F.R. § 129.326 Dual-voltage generators.
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If a dual-voltage generator is installed on an OSV— (a) The neutral of the dual-voltage system must be solidly grounded at the switchboard's neutral bus and be accessible for checking the insulation resistance of the generator; and (b) Ground detection must be provided that— (1) For an alternating-current system, complies with §111.05–27 of this chapter; and (2) For a direct-current system, complies with §111.05–29 of this chapter.
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PART 129—ELECTRICAL INSTALLATIONS
Subpart C—Power Sources and Distribution Systems
§ 129.326 Dual-voltage generators.
