Eaton GFCI Receptacle, Self-Test, 125 V, 20 A, 2 Pole, 10 kA Short Circuit, Grounding Type: Automatic, 3 Wires, 14 to 10 AWG Wire, Back, Side Wiring, NEMA 5-20R NEMA Rating, -35 to 66 deg C Operating, Polycarbonate/Steel/Thermoplastic/PVC, Brown, Dimensions: 4.19 in H x 1.69 in WSlimmer design for easy installation, leaving more room for wires in the boxAutomatically self-tests periodically to ensure GFCI protectionGFCIs incorporate lock out functionality to protect against mis-wired line-load connections and GFCI circuitry damageWider button wells for easy test and resetIntuitive LED status indicators for trip and end of life statesClean, modern industrial design with reduced top housing markings and neutral text direction on buttonsMeets and exceeds 10 kA short circuit testing and underwriters laboratoriesAutomatic grounding system eliminates need for bonding jumper in grounded metal enclosure, provides redundant measure of ground continuity where jumper is usedExternal backwire clamps provide visual confirmation of secure termination