US lawFederal (United States)RegulationsTitle 46 CFR — ShippingChapter I — COAST GUARD, DEPARTMENT OF HOMELAND SECURITYPart 129 — ELECTRICAL INSTALLATIONSSubpart D — Lighting Systems129.45046 C.F.R. § 129.450Portable lighting.Last amended: 2016Year: 2026Length: 31 wordsOfficial source Cite as 46 C.F.R. § 129.450 (2026)Each vessel must be equipped with at least two operable, portable, battery-powered lights. One of these lights must be located in the pilothouse, another at the access to the engine room.Previous46 C.F.R. § 129.440