Leviton SmartlockPro AFCI Duplex Receptacle, 125 V, 20 A, 60 Hz Frequency, 2 Pole, 3 Wires, Back, Side Wiring, 14 to 10 AWG Wire, 5-20R, -35 to 66 deg C Operating, Wall Mounting, White, Dimensions: 4.21 in L x 1.31 in W x 1.27 in D, Suitable for: Copper or Copper Clad Wire