TEKTON 7338 3-Wire Receptacle Tester
The simple-to-use TEKTON 3-Wire Receptacle Tester plugs into outlets like any electrical cord and detects faulty wiring conditions in 3-prong 110-125V AC receptacles. Color-coded lights indicate open ground, open neutral, open hot, hot/ground reverse, hot/neutral reverse and correct wiring conditions. It has a quality guarantee and is UL-listed.