CPP Series Plug, Number Of Poles: 3, Number Of Wires: 2, Amperage Rating: 20 AMP, Voltage Rating: 120 - 240 VAC, 24 VDC, Material: Copperfree Aluminum, Nema Rating: NEMA 3RX, 7BCD, Connection: Pressure Wire Terminal, Motor Horsepower: 1 HP, Plug Cable Diameter: 0.536 - 0.639 IN, Dimensions: 1.94 IN Width X 1.94 IN Height X 3.94 IN Depth, Standard: Class I, Division 1 And 2, Groups B, C, D, Class II, Division 1 And 2, Groups F, G, UL Standard: UL 1010 (UL 1203), UL Listed: E10784, E81751, CSA Standard: C22.2 No. 25, C22.2 No. 30, C22.2 No. 159, CSA Certified: 038644, For CPS Receptacles