Ideal Electrical 61-502 120V AC GFCI Receptacle Tester

cULus Certified (UL 1436 and CSA C22.2 no 160) for 120V AC circuits | Detects common wiring problems in receptacles | Confirms operation of GFCI protective devices | 2 year warranty | NOTE: Receptacle MUST be properly grounded for the GFCI test to work properly.