46 CFR §129.360
- (a)Each semiconductor-rectifier system must have an adequate heat-removal system to prevent overheating.
- (b)If a semiconductor-rectifier system is used in a propulsion system or in another vital system, it must—
- (1)Have a current-limiting circuit;
- (2)Have external overcurrent protection; and
- (3)Comply with Sections 4/5.84.2 and 4/5.84.4 of the “Rules for Building and Classing Steel Vessels” of the American Bureau of Shipping.