Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise this electrical outlet tester for its accuracy and ease of use, with most highlighting its ability to instantly diagnose wiring faults like open grounds, reversed polarity, and open neutrals. The clear LCD display and color-coded indicators make results easy to interpret, while the GFCI trip time measurement feature is frequently cited as valuable. Reviewers emphasize the intuitive, plug-and-play design requires no electrical expertise, making it ideal for homeowners and professionals alike. Most describe it as reliable and durable, with electricians noting professional-grade performance. A few mention limitations with 240V circuits or occasional issues with abnormal voltage readings, though most consider it an essential diagnostic tool.
Customer review summary generated by AI, including incentivized reviews.Fantastic Klein Tools GFCI tester
Would RecommendThis is a fantastic GFCI tester unlike many others in the market as it gives the actual time it took for the GFCI breaker to trip when testing - very useful to check if the GFCI outlet is up to spec.
Verified Purchaser
Great addition
Would RecommendEasy to use and is great having the voltage. Has been great for troubleshooting and to verify the proper voltage along with testing GFIC all in one easy device. Well worth adding to your electrical tool box.
Verified Purchaser
Reading best
Would RecommendTester
Verified Purchaser
Totally worth it
Would RecommendGreat product
Verified Purchaser
Easy to use
Would RecommendWorks Great!
Verified Purchaser
Great
Would RecommendThe product works very well. For those who want to give the actual PRODUCT a one-star rating because of service issues with the seller... YOU need to do better!
Great product for its price
Would RecommendSo far its great tool, i think it's a really good tool, it work great as it should, if you just need something to get on a at home project get the cheaper one but if you're do electrical work this really help or heavy equipment.
Verified Purchaser
Saved the day!
Would RecommendDoes a great job with telling you what is going on with the wiring in a house. It helped me have peace when I was changing a gfci outlet for the first time.
Verified Purchaser
Lasted 2 yrs 2 months
Would Not RecommendNice, designed to fail after warranty ends ??? Other Klein outlets testers have lasted me 20 years, why is this one crap ?
From Klein Tools
Nice piece of equipment
Everything
Verified Purchaser
With grounding plug mounted up, you cant see meter
Would Not RecommendSlow to work. Having to turn power ON to get it to work is an issue
Verified Purchaser