46 CFR § 120.200
General design, installation, and maintenance requirements
April 15, 2021
Electrical equipment on a vessel must be installed and maintained to:
(a) Provide services necessary for safety under normal and emergency conditions;
(b) Protect passengers, crew, other persons, and the vessel from electrical hazards, including fire, caused by or originating in electrical equipment, and electrical shock;
(c) Minimize accidental personnel contact with energized parts; and
(d) Prevent electrical ignition of flammable vapors.