{"data":{"id":"us/46-cfr-111.05-17","jurisdiction":"us","citation":"46 CFR 111.05-17","heading":"-17 Generation and distribution system grounding.","body":"The neutral of each grounded generation and distribution system must:\n(a) Be grounded at the generator switchboard, except the neutral of an emergency power generation system must be grounded with:\n(1) No direct ground connection at the emergency switchboard;\n(2) The neutral bus permanently connected to the neutral bus on the main switchboard; and\n(3) No switch, circuit breaker, or fuse in the neutral conductor of the bus-tie feeder connecting the emergency switchboard to the main switchboard; and\n(b) Have the ground connection accessible for checking the insulation resistance of the generator to ground before the generator is connected to the bus.","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":"1c98abedf6a3b5af3ed32a9f46a5cb1b310c248a45a1212ac91759414d12b34a","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-111.05-15","next":"us/46-cfr-111.05-19"},"notice":"GroundRules: Original legal text. Not legal advice."}