46 C.F.R. § 111.05-33 Equipment safety grounding (bonding) conductors.
Title 46 - Shipping
(a) Each equipment grounding conductor must be sized in accordance with article 250–95 of the National Electrical Code (the NEC) (NFPA 70). (b) Each equipment grounding conductor (other than a system grounding conductor) of a cable must be permanently identified as a grounding conductor in accordance with the requirements of article 310–12(b) of the NEC. [CGD 94–108, 61 FR 28276, June 4, 1996, as amended at 62 FR 23907, May 1, 1997]
Title 46: Shipping
PART 111—ELECTRIC SYSTEMS—GENERAL REQUIREMENTS
Subpart 111.05—Equipment Ground, Ground Detection, and Grounded Systems
§ 111.05-33 Equipment safety grounding (bonding) conductors.

