Features:
- Detect faulty wiring in 3-wire receptacles
- Lights display 5 wiring faults: Open Ground, Open Neutral, Hot/Ground Reverse, Open Hot, Hot/Neutral Reverse
- Easy to read fault label on both sides for receptacles with ground up or ground down installation
- cULus listed
- Unique ''Finger Loop'' eases removal from receptacles, especially those with high retention force