33 C.F.R. § 183.415 Grounding.
Title 33 - Navigation and Navigable Waters
If a boat has more than one gasoline engine, grounded cranking motor circuits must be connected to each other by a common conductor circuit that can carry the starting current of each of the grounded cranking motor circuits.
Title 33: Navigation and Navigable Waters
PART 183—BOATS AND ASSOCIATED EQUIPMENT
Subpart I—Electrical Systems
Manufacturer Requirements
§ 183.415 Grounding.
