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GFCI Receptacle Tester with LCD

Ratings & Reviews for Klein Tools GFCI Receptacle Tester with LCD

4.6
139
Review
 4.6 out of 5
139 Reviews


88% Recommend this product

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.
139 Customer Reviews

Quality, accurate producr

Would Recommend

Works well and accurate. Reasonably priced as well.

September 14, 2026
Verified Purchaser
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Return

Would Not Recommend

Have to return. Was not what I needed

September 10, 2026
Verified Purchaser
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Response from Klein Tools

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.... Read More

Klein ToolsSeptember 14, 2026

KleinTools

Very reliable

Would Recommend

Dependable for correct diagnosis

September 4, 2026
Verified Purchaser
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Valuable tool to have

Would Recommend

The 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.

August 7, 2026
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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!

July 15, 2026
Verified Purchaser
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Would Recommend

works great and easy to use. I do like the voltage scale on the tester

July 12, 2026
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Handyman’s Tool

Would Recommend

All the functions.

May 31, 2026
Verified Purchaser
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Easy pick up and return policy

Would Recommend

I ended up not needing this product

May 29, 2026
Verified Purchaser
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