Automatic end of life detection and warn functions
GFCI fails, red signal lamp will auto-warn to remind user
Prevents line-lode reversal miswire: GFCI can not be reset and no power to outlet if wired incorrectly
Work reliably under temperature: 35 to 66° C
Extra strong ability to prevent lighting strike function
6, 000V and 10, 000A current impulsion instantaneously
Over 3, 000 times operational life
Resist shock, heat, corruption and moisture
Safe lock design, assure state of fixing while trip
Have nice overload and anti-jamming abilities
Adopts duplex output faceplate, load terminal can load common receptacle and other home compliances also have ground fault protect function
Adopts new permanent electromagnetic motion smart and reliable
Adopts standard appearance size, assure convenience of installation
Wiring screw adopts improved tension disc construction, making 10 to 14AWG copper wire reliable connect
Green grounding screw as grounding connector, easy to installation and distinguish
Nice and reliable packing installation accessory and detail installation

Specification
Convenient to install and test
Customized colors are accepted
2008 version GFCI
Meets UL/CUL943 2008), UL498 (2007)
Class A rated GFCI
Specifications:
Supply voltage: 120V AC
Frequency: 60Hz
Current: 20A
Trip threshold: 4 to 6mA
Trip time: 0.025 seconds
With faceplate with working indicate LED