5 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 5 pieces.
Trustpilot
2 days ago
1 month ago
