Product Description Safety is the number one priority on any job site. Sperry Instrument's testing equipment can be put to good use ensuring that electrical equipment is properly installed and safe to operate. The condition of electrical installations can be established when contractors use test equipment. Any test unit that can be used to measure or review an application without coming in contact with a live conductor is a necessity. Testing equipment can be put to good use ensuring that electrical equipment is properly installed and safe to operate. Faulty installations can be lethal; the condition of electrical installations can be established when contractors use test equipment. Sperry Instrument is pleased to offer an innovative full feature line of test equipment designed to make electrical work faster and safer. The Ground Fault Receptacle Tester and Circuit Analyzer tests ground fault receptacles by overloading circuit and tripping the GFCI. From the Manufacturer Tests ground fault receptacles by overloading circuit and tripping GFCI. Tests: standard outlets, GFCI outlets, extension cords Compact and easy to use Tester trips between 6-9 mA Succession of yellow and red lights provide indication of circuit status or specifies wiring errors Tests for ground fault interruption, open ground, open neutral, open hot, hot/ground reverse, hot/neutral reverse and correct wiring