Greenlee's GT-10GFI 120V GFCI Circuit Tester Polarity Cube is intended to verify correct wiring of any standard three-wire 120V receptacle. It is also used to verify the integrity of a three-wire GFI/GFCI (ground fault interrupter/ground fault circuit interrupter).
- Used to troubleshoot 120V AC grounded outlets and test GFCI receptacles
- Light sequence indicates correct/incorrect wiring
- Added peace of mind with lifetime limited warranty
- 120V GFCI Circuit Tester Polarity Cube - GT-10GFI