Code of Federal Regulations Title 46. Shipping § 46.154.1010 Electrical equipment in gas-dangerous space or zone

(1) Low liquid level, motor current, or pump discharge pressure automatically shuts down power to the pump motor if the pump loses suction;

(2) There is an audible and visual alarm at the cargo control station that actuates if the motor shuts down under the requirements of paragraph (c)(1) of this section;  and

(3) There is a lockable circuit breaker or lockable switch that disconnects the power to the motor.

(1) Through runs of cable;

(2) Explosion-proof lighting fixtures;

(3) Depth sounding devices in gas-tight enclosures;

(4) Log devices in gas-tight enclosures;  and

(5) Impressed current cathodic protection system electrodes in gas-tight enclosures.

(1) Through runs of cable;

(2) Explosion-proof lighting fixtures;

(3) Depth sounding devices in gastight enclosures;

(4) Log devices in gastight enclosures;

(5) Impressed current cathodic protection system electrodes in gastight enclosures;

(6) Explosion-proof motors that operate cargo system valves or ballast system valves;  and

(7) Explosion-proof bells for general alarm systems.

(1) Explosion-proof lighting fixtures;  and

(2) Explosion-proof bells for general alarm systems.

(1) Explosion-proof lighting fixtures;  and

(2) Through runs of cable.

(1) Explosion-proof lighting fixtures;  and

(2) Through runs of cable.

(1) Explosion-proof equipment that is for the operation of the vessel;  and

(2) Through runs of cable.