Appleton Efsr-20232m U-line 1-gang Replacement Receptacle, Number Of Poles: 3, Number Of Wires: 2, Amperage Rating: 20 Amp, Voltage Rating: 250 Vac, Material: Malleable Iron, 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, Groupsb, C, D; Class Ii, Division 1 And 2 Groups F, G