U-Line 1-Gang Replacement Receptacle, Number Of Poles: 3, Number Of Wires: 2, Amperage Rating: 20 AMP, Voltage Rating: 250 VAC, Material: Copperfree (4/10 Of 1 PCT Maximum) Aluminum, Nema Rating: NEMA 3, 3R, Mounting: Box, Motor Horsepower: 2 HP, Finish: Epoxy Powder Coat, Dimensions: 3 IN Width X 4.63 IN Height X 3.19 IN Depth, Standard: Class I, Division 1 And 2 Groups C, D, Class I, Division 2, Groups B, C, D, Class II, Division 1 And 2 Groups F, G, Class III, UL Listed: E10784, E81751, UL Standard: 1203, 1010, 894, CSA Standard: C22.2 No. 25, C22.2 No. 30, C22.2 No. 42, C22 No.159, CSA Certified: 038644, For ECP Mating Plugs