Ratings & Reviews for Klein Tools Premium Dual-Range NCVT and GFCI Receptacle Tester Electrical Test Kit
Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise this electrical testing kit for its reliability, accuracy, and ease of use. Reviewers consistently report it detects live circuits and GFCI faults without false negatives, providing peace of mind for diagnosing wiring issues and testing outlets safely. The intuitive design requires no special training, while the large digital display and bright flashlight are frequently highlighted as standout features for low-light work. Most customers describe it as sturdy, well-built, and exceptional value, with many calling it a must-have tool. A few report isolated issues like battery cap failures or rare defective units, but these represent a small fraction of feedback. Overall, reviewers strongly recommend it as a dependable, essential tool.
Customer review summary generated by AI, including incentivized reviews.Return
Would Not RecommendHave to return. Was not what I needed
Great for a do it yourselfer
Would RecommendI brought this a month ago and I'm so happy how it works. yes
Verified Purchaser
Very reliable
Would RecommendDependable for correct diagnosis
Great tester!
Verified Purchaser
Valuable tool to have
Would RecommendThe readings seem consistent and accurate. GFCI tester works great. Everything is easy to read and understand. Only complaint is my package had dead batteries in it. I expect more from good brands.
Nice kit but ignore displayed voltage on RT250
Would Not RecommendThis looked like a great kit - the Klein RT250 GFCI tester and NCVT-3P NCVT tester with flashlight. The NCVT-3P works well, and the included case is quite handy too, but Klein made some errors here that leads me to not be able to recommend it. The issue is the voltage displayed by the RT250 is about 3v to 4v high - and on two different samples as compared to both a Fluke 87V and a Klein CL810. For example, the tester read 124V, the multimeters 120.6.V. Perhaps not a big deal, but for me if t...
Never can go wrong with this brand
Super easy to use from an awesome brand. Readability of the display is great and the response is fast and accurate!
Thanks for sharing your feedback. We’re sorry your experience wasn’t satisfactory, as we take pride in our long history of making high quality tools....