Provides continuous ground fault protection detects and trips on actual ground fault even when self-test is being conducted|On initial power up, tests the GFCI circuit within 3 sec|Auto monitoring exceeds the UL requirement|Auto adapts and shifts to more frequent testing if potential problem is detected|Status indicator light provides simple, intuitive feedback on power and protection status as well as indication of line load reversal|Patented lockout action prevents reset if GFCI is damaged and cannot respond to a ground fault|Electronics are designed to minimize any false triggers|Reduced depth makes it easier to install in any electrical box, even shallow ones|External back wire clamps provide visual indication of proper wire seating|Withstands high torque and resists wire pullout|Stainless steel strap and screws, cold impact resistant face and buttons|Trip threshold meets or exceeds UL requirements for tripping time|Improved immunity to high frequency noise reduces nuisance tripping|Advanced electronics design provides superior resistance to electrical surges and over voltages|Compatible with all Decora devices and wallplates