Sperry Stop Shock II Circuit Analyzer Tester

The Sperry Stop Shock II Circuit Analyzer Tester simplifies testing standard and GFCI receptacles to determine the appropriate wiring correction needed. Engineered with advanced ground testing circuitry, it precisely detects required low resistance on ground wires and provides clear, single-LED readout indications for correct wiring or wiring errors without needing a dual-indication chart. Built for the jobsite, this tester features a high-impact ABS housing engineered to withstand demanding working conditions. It is an essential tool for testing GFCI circuits and ensuring electrical safety in residential and commercial applications.