46 CFR § 120.360 - Semiconductor rectifier systems.

---
identifier: "/us/cfr/t46/s120.360"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 120.360 - Semiconductor rectifier systems."
title_number: 46
title_name: "Shipping"
section_number: "120.360"
section_name: "Semiconductor rectifier systems."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "K"
subchapter_name: "SMALL PASSENGER VESSELS CARRYING MORE THAN 150 PASSENGERS OR WITH OVERNIGHT ACCOMMODATIONS FOR MORE THAN 49 PASSENGERS"
part_number: "120"
part_name: "ELECTRICAL INSTALLATION"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "46 U.S.C. 2103, 3306; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; Department of Homeland Security Delegation No. 0170.1."
regulatory_source: "CGD 85-080, 61 FR 928, Jan. 10, 1996, unless otherwise noted."
cfr_part: "120"
---


# 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.