1 Electrical Receptacle Tester AC Outlet Plug 3 Prong Circuit Analyzer GND Open !! Simply and safely detect ungrounded lines and disconnected or interchanged neutral and hot wires. Detects faulty wiring condition in 3-Wire 110-125V AC receptacles. Instantly diagnoses plugs--Indicators light up when unit is plugged into the wall. Important when using hi-tech equipment such as computers, stereos, and TVs. Tester indicates: Open ground, open hot, open neutral, hot/ground reverse, hot/neutral reverse and correct. This listing is for 1 piece.
- * Detects faulty wiring condition in 3-Wire 110-125V AC receptacles * Color-coded indicator lights * Detects common wiring problems in standard outlets * Simply plug in and view the light pattern on the tester for wiring condition <