46 CFR § 129.420 - Branch circuits for lighting on OSVs of 100 or more gross tons.

---
identifier: "/us/cfr/t46/s129.420"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 129.420 - Branch circuits for lighting on OSVs of 100 or more gross tons."
title_number: 46
title_name: "Shipping"
section_number: "129.420"
section_name: "Branch circuits for lighting on OSVs of 100 or more gross tons."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "L"
subchapter_name: "OFFSHORE SUPPLY VESSELS"
part_number: "129"
part_name: "ELECTRICAL INSTALLATIONS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "46 U.S.C. 3306; sec. 617, Pub. L. 111-281, 124 Stat. 2905; Department of Homeland Security Delegation No. 0170.1."
regulatory_source: "CGD 82-004 and CGD 86-074, 62 FR 49332, Sept. 19, 1997, unless otherwise noted."
cfr_part: "129"
---


# 129.420 Branch circuits for lighting on OSVs of 100 or more gross tons.

On each vessel of 100 or more gross tons, each branch circuit for lighting must comply with § 111.75-5 of this chapter, except that—

(a) Appliance loads, electric-heater loads, and isolated small-motor loads may be connected to a lighting-distribution panelboard; and

(b) Branch circuits, other than for lighting, connected to the lighting-distribution panelboard permitted by paragraph (a) of this section may have fuses or circuit breakers rated at more than 30 amperes.