Section 120.360 - Semiconductor rectifier systems(a) Each semiconductor rectifier system must have an adequate heat removal system that prevents overheating.(b) Where a semiconductor rectifier system is used in a propulsion system or in other vital systems it must:(1) Have a current limiting circuit;(2) Have external overcurrent protection; and(3) Meet Sections 35.84.2 and 35.84.4 of the American Bureau of Shipping (ABS), "Rules for Building and Classing Steel Vessels," or other standard specified by the Commandant.