Klein Tools GFCI Receptacle Tester Receptacle Testing Made to be Safe and Simple When dealing with electricity, safety and accuracy are incredibly important; make sure you have the Klein Tools GFCI Receptacle Tester at your disposal. This product is perfectly designed for detecting a variety of the most common wiring problems. For heightened accuracy and easier use, the GFCI Receptacle Tester uses an LCD screen which clearly displays readings to the user. The screen will display voltage as well as a wide variety of wiring conditions. It will also indicate how long it will take to trip the GFCI. For even greater clarity, the tester includes two colored LEDs, one green and one red, for greater ease of use. For outlets that are particularly difficult to access, this tester includes an Auto-Hold feature. As another special, patent pending addition, this tester can also detect the Open Neutral Open Ground wiring fault condition.
