Eaton power device receptacle, #12 - 4 AWG, 30A, Surface, 250V, Back, Black, NEMA 6-30R, Two-pole, Three-wire, Two-pole, three-wire, grounding, Screw, Glass-filled nylon, Power, Used with S42 Product specifications Used with S42 Amperage Rating 30A Voltage rating 250 V Wiring method Back Number of wires 3 Mounting method Surface Number Of Poles Two-pole Color Black Connection type Screw Style Power Allowable wire size #12-4 AWG NEMA configuration 6-30R Torque rating 25 lbf-inch Design type Receptacle Material Glass filled nylon Receptacle type Two-pole, three-wire, grounding