Ratings & Reviews for Klein Tools AC/DC Voltage and GFCI Receptacle Outlet Test Kit
Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise this outlet tester for its simplicity and reliability in identifying wiring issues. Most highlight the intuitive LED indicators that deliver instant results, with many calling it a must-have tool for verifying outlet wiring and testing GFCI functionality. The rugged, compact design is widely appreciated for durability and portability, even in tight spaces or while wearing gloves. A few note the probe tips are quite small and the GFCI button overly sensitive, but these minor concerns are far outweighed by strong satisfaction with performance and build quality.
Customer review summary generated by AI, including incentivized reviews.Great value
Would RecommendGreat outlet detector for the price. It clearly explains the issue once plugged in.
Simple and Reliable Tester
Would RecommendThis tester is very easy to use and quickly confirmed that my GFCI outlet was wired correctly and tripped properly. The indicator lights are clear, making it a useful tool for homeowners and DIY electrical projects.
Love it!
Would RecommendI am NOT the everyday, I know what I’m doing, electrical person. This pack was everything I needed to resolve an issue. Appreciate being able to troubleshoot a problem on my own!
Verified Purchaser
Perfect
Works well and as expected.
A very good outlet tester
Works
Easy to use
Quick electric tester
Would RecommendSmall, accurate, easy to carry around with you
....
Would Not RecommendThey were ok
Must-Have Tool for Safe & Accurate Outlet Testing
The Klein Tools RT210 GFCI Outlet Tester is an essential device for anyone who works with electrical outlets. This compact tester plugs directly into any standard 3-prong receptacle and uses bright, easy-to-read LED lights to instantly show the wiring condition — open ground, open neutral, open hot, hot/ground reverse, hot/neutral reverse, or correct wiring. I’ve used it on dozens of outlets in my home and rental properties, and it has never given a false reading. It’s incredibly simple to opera...