Full Technical Description: Acrylic Painted Copper Free Aluminum Material; 0.375 Inch min. Cable Outer Diameter; 0.875 Inch Max. Cable Outer Diameter; 3 Wire(S); UL 1203, CSA C22.2 Approval; 125 to 250 VAC, 480 VAC Voltage Rating; Class I Div 1 and 2 Group C D Enclosure; 30 Ampere at 125 to 250 VAC, 7 Ampere at 480 VAC Current Rating; 3 HP at 125 to 250 VAC, 1 HP at 480 VAC Power Rating; 4 Pole(S); Cps Mating Receptacle; ARKTITE[R] Brand; Application Corrossive, Damp, Hazardous, Wet Location; Constructional Feature Explosionproof; CPP Model