46 C.F.R. § 111.105-43
Paint stowage or mixing spaces
A space for the stowage or mixing of paint must not have any electric equipment, except:
(a) Intrinsically safe electric equipment approved for a Class I, Division 1, Group D (Zone 0 or Zone 1) location;
(b) Explosionproof electric equipment approved for a Class I, Division 1, Group D (Zone 0 or Zone 1) location; or
(c) Through runs of marine shipboard cable.