SafeLock protection: if critical components are damaged and ground fault protection is lost power to receptacle is disconnected Protects children: patented UL-Listed shutter system helps prevent improper insertion of foreign objects Meets 2006 UL requirements Prevents line-load reversal miswire: no power to the face or downstream receptacles if wired incorrectly Exceeds UL943 voltage surge requirements; survives 100x the required UL 3kA/6kV voltage surge test cycles Red lamp trip indicator light Side or internal screw-pressure-plate back wire with #14 - #10 AWG solid or stranded copper wire Two back wire holes per terminal
Ground screw has a back wire clamp for easy installation 1/4 inch thinner than competitors' GFCIs; leaves more room for wires in the box