46 C.F.R. § 111.05-23 Location of ground indicators.
Title 46 - Shipping
Ground indicators must: (a) Be at the vessel's ship's service generator distribution switchboard for the normal power, normal lighting, and emergency lighting systems; (b) Be at the propulsion switchboard for propulsion systems; and (c) Be readily accessible. (d) Be provided (at the distribution switchboard or at another location, such as a centralized monitoring position for the circuit affected) for each feeder circuit that is isolated from the main source by a transformer or other device. Note to paragraph [CGD 74–125A, 47 FR 15236, Apr. 8, 1982, as amended by CGD 94–108, 61 FR 28276, June 4, 1996; 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
§ 111.05-23 Location of ground indicators.

