>2016 newest UL standard
>Neutral grounded(Double safe protection)
>Self test(Auto Monitor):Allows for periodic automatic testing of the GFCI device and its ability to respond to a ground fault.
If a problem is detected, the GFCI will disconnect power to anything connected to it or indicate that there is a problem using visual or audible means.
>lind-load reversal protecion:If the GFCI is miswired with the line and load terminals reversed, it will not reset and supply power until it is properly wired. This applies both during initial installation and if the device is removed and re-installed.
>End of life:It required by newest safety certificates. GFCI should be replaced every 3 years.
>Overvoltage protection to avoid fire accident if connect with more than 160V voltage.
