Sperry Instruments HGT6520 Stop Shock II GFCI Outlet Circuit Analyzer Tester Hex Shank The teeth are induction hardened

The teeth are induction hardened

At least two fittings needed per installation

Multi functional LED lights

Solar charging

Sperry Instruments HGT6520 Stop Shock II GFCI Outlet Circuit Analyzer Tester Hex Shank The teeth are induction hardenedThe Stop Shock II Circuit Analyzer makes it easy to test GFCI receptacles and determine the appropriate wiring correction needed. This GFCI tester uses advanced circuitry and a patent pending proprietary design to precisely detect the required low resistance (less than 10ohms) on ground wire and provides a clear and easy to understand single LED readout indication for Correct wiring or Bad Ground, Open Neutral, HOT GND Reverse, HOT NEU Reverse and