No ads. No sponsorships. Just firsthand experiences from fellow enthusiasts. Learn more.
Klein Tools RT110 Receptacle Tester for North American AC Electrical Outlet Receptacles
$7.97 on Amazon


- Light sequence indicates correct/incorrect wiring

- Conforms to UL Std 1436, Certified to CSA Std C22.2 #160

- Operating temp: 32-degrees F to 140-degrees F (0-degrees C to 40-degrees C)

- Built to withstand a 6.6-foot (2m) drop

- Nominal Voltage: 110/125V AC at 50/60Hz in 3-wire outlet

- Designed to detect the most common wiring problems in standard receptacles

Firsthand experiences

Comments from forums and Reddit

More in Bass