About This Product Eaton Tamper-Resistant Self-Test GFCI Receptacle, 125 V, 20 A, Number of Poles: 2, Short Circuit Current Rating: 10 kA, Grounding Type: Automatic, Number of Wires: 3, Wire Size: 14 to 10 AWG, Wiring Type: Back, Side, NEMA Rating: NEMA 5-20R, Operating Temperature: -35 to 66 deg C, Polycarbonate/Steel/Thermoplastic/PVC, White, Dimensions: 4.19 in H x 1.69 in W Highlights Slimmer design for easy installation, leaving more room for wires in the box Automatically self-tests periodically to ensure GFCI protection GFCIs incorporate lock out functionality to protect against mis-wired line load connections and GFCI circuitry damage Wider button wells for easy test and reset Intuitive LED status indicators for trip and end of life states Clean, modern industrial design with reduced top housing markings and neutral text direction on buttons Meets and exceeds 10 kA short-circuit testing and underwriters laboratories (RCPT DPLX GFCI TR SLFTST2 - 2991370 - TRGF20W)