Goldeep GFCI Outlet Tester Plug in,Receptacle Tester Outlet Ground Tester

Accurate Wiring DetectionThis electrical outlet tester designed for North American 3-wire 120V outlets. The gfci outlet tester accurately identifies common wiring faults in both standard and GFCI outlets, ensuring electrical security. It can detect six common types of wiring fault: open hot, correct,open neutral, open ground, hot/ground reverse, and hot/neutral reverse. | Clear LCD Display & Bottom Indicators Equipped with a vibrant color LCD display, this plug tester shows whether an outlet is wired correctly (green for good, red for faults) and displays real-time voltage. Bottom indicator lights enhance visibility in dark or tight spaces. The intuitive design makes it easy to read wiring status and voltage at a glance. | Convenient Auto-Hold FunctionThe auto-hold function locks the measurement data, making it convenient to view and easy to record. After measurement, if the outlet checker tester is removed, the HOLD indicator flashes on the screen, locking the data for about 10 seconds. To release it quickly, reinsert the device or briefly press the power button. | GFCI Function: If the GFCI function is tested, please test on the line withcorrect wiring and circuit breaker installed. Short pressing TES key willgenerate 6mA~9mA leakage current to the ground wire, which will tripthe circuit breaker in the line within about 3 seconds. If the trip is success-ful, the LCD will display the trip time to indicate that the line is normal. Ifnot, the LCD will display more than 5 seconds, and there may be wiringerror or circuit breaker failure, please find a professional electrician for maintenance. | Automatic shutdown functionThe gfci tester will automatically shut down after about 3 minutes when it is turned on in the unmeasured state, and the automatic shutdown function will be re-timed if any key is pressed when it is not turned off.The auto shut-off feature comes into play if you get busy and forget to turn the plug tester off, helping conserve battery power. It is highly suitable for self-checking of household outlets, as well as for conducting safety inspections in hotels and rental properties. | Reliable and DurableThe receptacle tester operates reliably in temperatures ranging from 32F to 122F (0C to 50C) and humidity levels from 0% to 70% RH, ensuring durability and reliability under various working conditions.This outlet tester plug in is highly suitable for self-checking of household sockets, as well as for conducting safety inspections in hotels and rental properties.