46 C.F.R. § 129.360
Semiconductor-rectifier systems.
Cite as 46 C.F.R. § 129.360 (2026)
(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.