(c) A submerged cargo pump motor may be in a cargo tank if:

1. (1) Low liquid level, motor current, or pump discharge pressure automatically shuts down power to the pump motor if the pump loses suction;
2. (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. (3) There is a lockable circuit breaker or lockable switch that disconnects the power to the motor.

(e) A hold space that has a tank that is not required to have a secondary barrier under § 154.459 may only have:

1. (1) Through runs of cable;
2. (2) Explosion-proof lighting fixtures;
3. (3) Depth sounding devices in gas-tight enclosures;
4. (4) Log devices in gas-tight enclosures; and
5. (5) Impressed current cathodic protection system electrodes in gas-tight enclosures.

(f) A space that is separated by a gastight steel boundary from a hold space that has a cargo tank that must have a secondary barrier, under the requirements of § 154.459, may only have:

1. (1) Through runs of cable;
2. (2) Explosion-proof lighting fixtures;
3. (3) Depth sounding devices in gastight enclosures;
4. (4) Log devices in gastight enclosures;
5. (5) Impressed current cathodic protection system electrodes in gastight enclosures;
6. (6) Explosion-proof motors that operate cargo system valves or ballast system valves; and
7. (7) Explosion-proof bells for general alarm systems.

(g) A cargo handling room may only have:

1. (1) Explosion-proof lighting fixtures; and
2. (2) Explosion-proof bells for general alarm systems.

(h) A space for cargo hose storage may only have:

1. (1) Explosion-proof lighting fixtures; and
2. (2) Through runs of cable.

(i) A space that has cargo piping may only have:

1. (1) Explosion-proof lighting fixtures; and
2. (2) Through runs of cable.

(j) A gas-dangerous zone on the weather deck may only have:

1. (1) Explosion-proof equipment that is for the operation of the vessel; and
2. (2) Through runs of cable.