33 C.F.R. § 183.460 Overcurrent protection: Special applications.
Title 33 - Navigation and Navigable Waters
(a) Each ungrounded output conductor from a storage battery must have a manually reset, trip-free circuit breaker or fuse, unless the output conductor is in the main power feed circuit from the battery to an engine cranking motor. The circuit breaker or fuse must be within 72 inches of the battery measured along the conductor, unless, for boats built prior to August 1, 1985, the circuit has a switch that disconnects the battery. (b) Each ungrounded output conductor from an alternator or generator, except for self-limiting alternators or generators, must have a circuit breaker or fuse that has a current rating that does not exceed 120 percent of the maximum rated current of the alternator or generator at 60 °C. [CGD 73–217, 42 FR 5944, Jan. 31, 1977, as amended by CGD 81–092, 48 FR 55736, Dec. 15, 1983]
Title 33: Navigation and Navigable Waters
PART 183—BOATS AND ASSOCIATED EQUIPMENT
Subpart I—Electrical Systems
Manufacturer Requirements
§ 183.460 Overcurrent protection: Special applications.
