• Works on GFCI outlets and confirms operation of the ground fault protective device
• Durable, hard shell built to withstand a 6.6-foot (2m) drop
• Nominal Voltage: 110/125V AC at 50/60Hz in 3-wire outlet
• Easy to read lights make determining faults a breeze
• Built in GFCI trip tests outlet protection

The Jonard Tools GFC-1 GFCI Tester detects the most common wiring problems in standard and GFCI receptacles.