Sperry Instruments HGT6520 Stop Shock II GFCI Outlet Circuit Analyzer Tester Hex Shank Commonly used by remodelers to

Commonly used by remodelers to match base moldings in historic homes

Bath drain & overflow

Powerful cleaning agents remove tough soil

Multi functional LED lights

Sperry Instruments HGT6520 Stop Shock II GFCI Outlet Circuit Analyzer Tester Hex Shank Commonly used by remodelers toThe 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