{"data":{"id":"us/46-cfr-111.05-21","jurisdiction":"us","citation":"46 CFR 111.05-21","heading":"-21 Ground detection.","body":"There must be ground detection for each:\n(a) Electric propulsion system;\n(b) Ship's service power system;\n(c) Lighting system; and\n(d) Power or lighting distribution system that is isolated from the ship's service power and lighting system by transformers, motor generator sets, or other devices.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER J—ELECTRICAL ENGINEERING","PART 111—ELECTRIC SYSTEMS—GENERAL REQUIREMENTS","Subpart 111.05—Equipment Ground, Ground Detection, and Grounded Systems"],"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":"ded4b7b4e4e5c1f82e9a559be34cf2266f9655604ef2bdff398f9b889ad29642","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-111.05-20","next":"us/46-cfr-111.05-23"},"notice":"GroundRules: Original legal text. Not legal advice."}