Allegro 9503-03 Receptacle, 20A, 120 (EX)
Designed for use in hazardous locations. Features an iron mounting box with triple coat finish and spring-loaded door keeping dust out of receptacle when plug is not in use. When plug is in use, a neoprene gasket inside receptacle seals around plug keeping out dirt, water and other foreign matter.
Explosion-Proof Socket, 110V