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Non-Contact Voltage and GFCI Receptacle Test Kit

Ratings & Reviews for Klein Tools Non-Contact Voltage and GFCI Receptacle Test Kit

4.7
187
Review
 4.7 out of 5
188 Reviews


93% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers overwhelmingly praise these electrical testing tools for enhancing safety and simplifying DIY projects. Most emphasize how they prevent electrocution by testing wires before touching them and verifying power status, calling them essential for home electrical work. Reviewers consistently describe the tools as intuitive and easy to use, with one-button operation and immediate visual feedback through green and red lights. Many appreciate the compact design and value for the price. A few report minor issues like battery leakage when unused, and several note isolated defective units, but these are vastly outweighed by strong satisfaction.

Customer review summary generated by AI, including incentivized reviews.
188 Customer Reviews

good tool to locate electrical problems

Would Recommend

very compact

February 18, 2026
Verified Purchaser
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Good product from Klein

Would Recommend

Voltage sniffer and GFCI tester worked well, as expected for Klein tools

February 11, 2026
Verified Purchaser
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Great product

Would Recommend

Worked as expected, easy to use.

February 8, 2026
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Absolute garbage

Would Not Recommend

Tool shuts itself down the moment you turn it on. No change of batteries or any other option fixes it. It belongs in the garbage. never detected a single voltage.

February 7, 2026
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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....

Klein ToolsFebruary 10, 2026

KleinTools

Works well enough

Would Recommend

Nothing more to say other than it works as expected.

February 4, 2026
Verified Purchaser
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Batteries included

Would Recommend

Easy to use and bright so it don’t get lost in the tool box

January 28, 2026
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Seamless Locker Pickup, In and Out in Seconds

Would Recommend

I’ve only used the product a couple of times so far, but what really stood out to me was the overall shopping experience. Navigating the Lowe’s website was easy, the price was competitive, and ordering online was straightforward. The best part was having the item stored in a locker so I could pick it up at my convenience. After placing the order, I received an email shortly after with clear instructions on how to retrieve my item from the lockers. I walked into the store, scanned the barcode, t...

January 22, 2026
Verified Purchaser
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Great Tool

Would Recommend

Changed out 5 outlets great tool to have

January 21, 2026
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Must have for electrician

Would Recommend

Exactly what I wanted

January 20, 2026
Verified Purchaser
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No No

Wish I did not have to buy this device.

December 29, 2025
Verified Purchaser
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Ideal tool for checking for voltage

Would Recommend

Great for checking the presence of live voltage.

December 26, 2025
Verified Purchaser
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