{"data":{"id":"us/46-cfr-183.372","jurisdiction":"us","citation":"46 CFR 183.372","heading":"Equipment and conductor grounding.","body":"(a) All metallic enclosures and frames of electrical equipment must be permanently grounded to the hull on a metallic vessel. On a nonmetallic vessel, the enclosures and frames of electrical equipment must be bonded together to a common ground by a normally non-current carrying conductor. Metallic cases of instruments and secondary windings of instrument transformers must be grounded.\n(b) On a nonmetallic vessel, where a ground plate is provided for radio equipment, it must be connected to the common ground.\n(c) Equipment grounding conductors must be sized in accordance with Section 250-96 of NFPA 70 (incorporated by reference; see 46 CFR 175.600), or other standard specified by the Commandant.\n(d) Each insulated grounding conductor of a cable must be identified by one of the following means:\n(1) A green braid or green insulation;\n(2) Stripping the insulation from the entire exposed length of the grounding conductor; or\n(3) Marking the exposed insulation of the grounding conductor with green tape or green adhesive labels.\n(e) Cable armor must not be used to ground electrical equipment or systems.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER T—SMALL PASSENGER VESSELS (UNDER 100 GROSS TONS)","PART 183—ELECTRICAL INSTALLATION","Subpart C—Power Sources and Distribution 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":"addeb90d39b046bcb4715fca30f6cb3f15e636886e88ec4df4baf97fb1d04384","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-183.370","next":"us/46-cfr-183.376"},"notice":"GroundRules: Original legal text. Not legal advice."}