Class A rated GFCI|Auto-ground clip assures a positive ground to metal box|Thinner than competitor's GFCI receptacle, leaves more room for wires in the box|It also has our proven SafeLock protection feature, if critical components are damaged and protection is lost, power to the receptacle is disconnected|Conducts an automatic test every three sec, ensuring it's always ready to protect, if the device fails the test, the indicator light flashes to signal that the GFCI should be replaced|Feed-through wiring configuration allows GFCI to protect downstream receptacles|Prevents line load reversal miswire, no power to the face or downstream receptacles if wired incorrectly|Exceeds UL 943 voltage surge requirements, survives 100x the required UL 3-gang kA/6 kV voltage surge test cycles|Trip-indicator light (red LED), two backwire holes per terminal|Side or internal screw pressure plate back wire with 14 to 10 AWG solid or stranded copper wire|10 kA short circuit current rating|Ground screw has back wire clamp for easy installation|Mounting screws are shipped captive in the device and wallplate for easier installation|High Impact-resistant thermoplastic construction|Extra long strap, button colors match the device face|Dual direction test and reset buttons|Part of the Radiant collection, patented shutter system helps prevent improper insertion of foreign objects|5 +/- 1 m trip threshold, 0.025 sec trip time, 20 A feed-through capacity, 4 to 6 mA trip level, withstands 1500 VAC minimum dielectric voltage, terminals identified in accordance with UL498 (hot, white, green)|95% maximum humidity, nylon face and body, 0.03 in brass contacts, galvanized steel mounting straps, thermoplastic tamper-resistant shutter|Nickel plated steel 8 to 32 terminal screw