Advanced socket tester for rapidly detecting whether the socket's wire connection is correct or not. Design with RCD/GFCI Test Button - Power outlet socket for correct wiring and RCD/GFCI trip function.
It can test the protection system to ensure the household electrical safety. Perfect for protect your security against the risk of electric shock.
The tester incorporates a built-in light so it can also be used in the dark, making you read it fast.
With 7 easy to read indicators to indicate the state of the socket, easy to judge: Correct, Open Ground, Open Neutral, Live/Neutral Reverse,Live/Ground Reverse, Open Live & Live Neutral Reverse.
This Electric tester tests GFCI devices by simulating ground fault conditions, which works on GFI outlets and confirms operation of the ground fault protective device.
It tests standard outlets that are wired in parallel to GFCI outlets (multiple outlets in kitchen or bath, and outdoor receptacles require GFCI protection). Be careful of using this function on normal receptacles.
Compact size, light weight and convenient to use. With voltage backlight LCD display for testing voltage.