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Electrical Test Kit

Ratings & Reviews for Klein Tools Electrical Test Kit

4.6
248
See Product Details
Review
  4.6 out of 5
248 Reviews


85% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers overwhelmingly praise this voltage tester for reliability and intuitive light indicators that clearly show voltage levels without complex displays. The built-in flashlight significantly improves visibility in dark panels, while the compact design and probe storage snap-back feature earn consistent approval. Most appreciate the confidence it provides for safely testing outlets and verifying breakers are off. A small number mention probe tips feel too short for stripped wires, the plastic covering occasionally slides off, or the GFI button trips too easily. Despite these minor issues, reviewers consider it an indispensable, well-built tool that outperforms cheaper alternatives.

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

Durable and reliable

 Would Recommend

I bought another one of the outlet testers and I'm a home inspector and it works excellent every single time Yeah Yeah I just got here yeah Terrible And reliable OKOK

September 27, 2026
From GFCI Outlet Tester Verified Purchaser
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Would Recommend

Extremely useful. Easily operated. Solid.

September 24, 2026
From GFCI Outlet Tester Verified Purchaser
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Half the time doesn't work

 Would Not Recommend

Something wrong with this testers. A month in and it only works half the time. It is a dangerous tester that has the potential to kill you ! Do not Buy!!

September 17, 2026
From Dual Range Non-Contact Voltage Tester with Flashlight, 12 to 1000V AC
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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 21, 2026

KleinTools

Works great!

 Would Recommend

Accurate and easy to use. We recently moved into our house and wanted a way to reliably verify the function of our GFCI outlet and this did the trick. A quick easy tester for peace of mind. It is responsive and durability was not an issue.

September 16, 2026
From GFCI Outlet Tester Verified Purchaser
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Excellent tool

 Would Recommend

Reliable and easy to use worth the price great detection and durable

September 15, 2026
From Dual Range Non-Contact Voltage Tester with Flashlight, 12 to 1000V AC Verified Purchaser
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Accurate

 Would Recommend

Two settings help prevent false readings.

September 15, 2026
From Dual Range Non-Contact Voltage Tester with Flashlight, 12 to 1000V AC Verified Purchaser
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Typical Kein Tool...Excellent!

It's a Klein! Reliable! Accurate! Simple to use! Nothing 'shocking', here!

September 14, 2026
From Dual Range Non-Contact Voltage Tester with Flashlight, 12 to 1000V AC Verified Purchaser
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Great value

 Would Recommend

Great outlet detector for the price. It clearly explains the issue once plugged in.

September 3, 2026
From GFCI Outlet Tester Verified Purchaser
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