GFCI Outlet Tester Advanced Receptacle Tester with Voltage Display 90~250V / 45~65Hz Power Socket Voltage Detector Wall Plug Breaker Finder

Ensure power leak-proof protection is functioning with the GFCI test function, but be careful not to use it on normal receptacles as it may cause the house wiring system to trip.; Easily measure socket voltage, leakage voltage, and current with the outlet tester's LCD screen and receive clear results even when there are wiring problems.; Detect the most common wiring faults in standard and GFCI electrical outlets, including open ground, open neutral, hot/ground reverse, hot/neutral reverse, and hot/ground reverse & open ground with this standard 3-wire and GFCI protected 120Volt AC outlets electric problem checker.

; Identify wiring conditions in the outlet with ease using the clearly lit red LED indicators and the easy-to-understand chart based on LED light results.; Quickly identify 6 common wiring errors in standard electrical outlets and GFCI receptacles for increased household safety.