Gardner Bender Stop Shock II GFCI Outlet Circuit Analyzer Tester, Detects Low Resistance Slip Joint Traps Provides effective weather sealing and

Provides effective weather sealing and cushioning

2 times the dielectric protection on the market

Zinsser qt

this measuring wheel was built to last

Gardner Bender Stop Shock II GFCI Outlet Circuit Analyzer Tester, Detects Low Resistance Slip Joint Traps Provides effective weather sealing andThe 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