(A) Motor and pump or pumps shall be located in a separate, non-combustible building, not less than ten feet from tanks, warehouses, garage or property lines.
(B) Motors shall be of the polyphase, non-sparking or explosion-proof type and shall be grounded to permanently moist earth.
(C) If pump house is electrically lighted, lights shall be of the vapor-proof type, wiring shall be in sealed conduit, and the light switch shall be of the explosion-proof type or shall be placed outside the building.
(D) Motor starting switches shall be of the explosion-proof type or oil bath type.
(E) Screened openings of not less than 64 inches shall be construed in opposite corners as floor line to provide proper ventilation.
(F) All doors of pumphouse shall open outward.
(G) Doors shall be left open at all times when pumps are in operation.
(1980 Code, § 27.034) Penalty, see § 98.999