{"data":{"id":"us/46-cfr-112.05-3","jurisdiction":"us","citation":"46 CFR 112.05-3","heading":"-3 Main-emergency bus-tie.","body":"Each bus-tie between a main switchboard and an emergency switchboard must:\n(a) Disconnect automatically upon loss of potential at the emergency switchboard;\n(b) Be arranged to prevent parallel operation of an emergency power source with any other source of electric power, except for interlock systems for momentary transfer of loads; and\n(c) If arranged for feedback operation, open automatically upon overload of the emergency power source before the emergency power source is tripped off the line from the overload.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER J—ELECTRICAL ENGINEERING","PART 112—EMERGENCY LIGHTING AND POWER SYSTEMS","Subpart 112.05—General"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-46.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:22Z","sha256":"a72879f8d6ace5095a4a9b9be8d07671c33f768f64bbdf1bf3dad2a9ba5bd94e","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-112.05-1","next":"us/46-cfr-112.05-5"},"notice":"GroundRules: Original legal text. Not legal advice."}