

GFCI Tester detects the most common wiring problems in standard and GFCI receptacles and uses a chart to indicate wiring condition in outlet, based on lights results.
Conditions indicated: open ground, reverse polarity, open hot, open neutral, hot/ground reversed
Voltage: 110/125V AC at 50/60Hz in 3-Wire Outlet
Display: LED
Size: 1.62"L x 1.88"W x 2.88"H
Weight: 1.9 oz.
Batteries are not required.