GFCI Receptacle, Circuit Breaker Yes, Current Rating 20 A, GFCI Yes, Hazardous Location Specification Class I, Div 1 and 2, Group B, C, D, Class II, Div 1 and 2, Group F, G, Class III, Div 1 and 2, Horsepower Rating 1 hp, Housing Material Copper-Free Aluminum, Hub Type Dead End, NEMA Enclosure Rating 3, 3R, 3RX, 7BCD, 9FG, NEMA Receptacle Configuration 5-20R, Number of Gangs 2, Number of Poles 3, Number of Wires 2, Resistance Properties Dust Ignition Proof, Explosion Proof