- (a) Electrical equipment and installations must be suitable for the roll, pitch, and vibration of the vessel underway.
- (b) All equipment, including switches, fuses, lampholders, etc., must be suitable for the voltage and current utilized.
- (c) Receptacle outlets of the type providing a grounded pole or a specific direct current polarity must be of a configuration that will not permit improper connection.
- (d) All electrical equipment and circuits must be clearly marked and identified.
- (e) Any cabinet, panel, box, or other enclosure containing more than one source of power must be fitted with a sign warning persons of this condition and identifying the circuits to be disconnected.