Section 281.3111. Electrical equipment.

(1) Permanently installed electrical appliances,   equipment, and fixtures  used   on  a  vessel   shall  be  designed   so   that   the current-carrying parts  of the device are effectively insulated   from exposed metal parts by an electrical insulating material suitable for  use in damp or wet locations.

(2)    All permanently  installed  electrical  appliances,   equipment,   and fixtures shall be properly connected to the vessel's electrical   grounding system.

(3)   All electrical appliances, equipment, and fixtures installed or used in machinery spaces or other areas where flammable vapors may be present shall be designed, enclosed, or protected to prevent ignition of flammable vapors.

(4)   Switches, circuit breakers, and fuse  boxes   or  blocks  used   on  a vessel shall be approved by  underwriters laboratories   for   marine  use, where available, or shall be a type commonly manufactured for use on vessels.   These  devices  shall   have suitable   protection    to   prevent accidental shorting.

History: 1982 AACS.