GFCI Cover and Box, Cover Type Screw-On Cover, Current Rating 20 A, Electrical Connection Type Straight Blade, Housing Material Copper-Free Aluminum, Hub Diameter 0.5 in, Hub Type Feed Through, Number of Poles 3, Number of Wires 2, Voltage Rating 125V AC, For Environment Corrosive, Damp, Hazardous Location Specification Class I, Div 1, Group B, C, D, Class I, Div 2, Group B, C, D, Class II, Div 1 and 2, Group F, G, Class III, Div 1 and 2, Housing Material Finish Epoxy Powder Coated