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 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