46 C.F.R. § 111.105-29 Combustible liquid cargo carriers.
Title 46 - Shipping
(a) Each vessel that carries combustible liquid cargo with a closed-cup flashpoint of 60 degrees C (140 degrees F) or higher must have: (1) Only intrinsically safe electric systems in cargo tanks; and (2) No storage battery in any cargo handling room. (b) If a submerged cargo pump motor is in a cargo tank, it must meet the requirements of §111.105–31(d). (c) Where the cargo is heated to within 15°C of its flashpoint, the cargo pumproom must meet the requirements of §111.105–31(f) and the weather locations must meet §111.105–31(l). [CGD 74–125A, 47 FR 15236, Apr. 8, 1982, as amended by CGD 94–108, 61 FR 28285, June 4, 1996; 61 FR 36787, July 12, 1996; 61 FR 39695, July 30, 1996]
Title 46: Shipping
PART 111—ELECTRIC SYSTEMS—GENERAL REQUIREMENTS
Subpart 111.105—Hazardous Locations
§ 111.105-29 Combustible liquid cargo carriers.

