Section 111.105-29 - Combustible liquid cargo carriers(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