Klein Tools Receptacle Tester

SKU# RT110
MFR# RT110
  • 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
Select Store to check availability.
Have questions? 800-531-5369


The RT110 is a Receptacle Tester from Klein Tools. This device is designed to detect the most common wiring problems in standard receptacles and uses a light sequence which indicates whether the wiring is correct, open ground, reverse polarity, open hot, open neutral, or hot/ground reversed.


Conforms to UL Std 1436, Certified to CSA Std C22.2 #160
Built to withstand a 6.6 ft. (2m) drop
Operating temp: 32°F to 140°F (0°C to 40°C)
Nominal Voltage: 110/125V AC at 50/60Hz in 3-wire outlet

Voltage Range110/125V AC at 50/60Hz in 3-Wire Outlet
Drop Protection6.6 feet (2 m)
Dimensions2-7/8" x 1-7/8" x 1-5/8" (HxWxD)
Weight1.95 oz

Ratings & Reviews