US lawFederal (United States)RegulationsTitle 46 CFR — ShippingChapter I — COAST GUARD, DEPARTMENT OF HOMELAND SECURITYPart 112 — EMERGENCY LIGHTING AND POWER SYSTEMSSubpart 112.43—Emergency Lighting Systems112.43-946 C.F.R. § 112.43-9Signaling lights.Last amended: 2016Year: 2026Length: 15 wordsOfficial source Cite as 46 C.F.R. § 112.43-9 (2026)Each signaling light must be supplied by a branch circuit that supplies no other equipment.Previous46 C.F.R. § 112.43-7Next46 C.F.R. § 112.43-11