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Digital AC/DC Voltage and GFCI Receptacle Test Kit

Ratings & Reviews for Klein Tools Digital AC/DC Voltage and GFCI Receptacle Test Kit

4.8
136
Review
 4.8 out of 5
136 Reviews


96% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers overwhelmingly praise this outlet tester for its reliability, accuracy, and ease of use in detecting wiring faults like open grounds and reversed polarity. Most highlight the compact, durable design perfect for toolboxes, and the simple visual indicators that require no technical expertise. Reviewers consistently note it works as intended with no false positives, helping them identify defective outlets safely without shutting off power. Many call it an indispensable tool for DIY projects and home inspections. A few mention the GFCI test button feels overly sensitive, though this minor concern barely impacts overall satisfaction.

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

works as advertised

Would Recommend

does exactly as advertized

March 7, 2026
From GFCI Outlet Tester Verified Purchaser
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Compact / Does It’s Job

Would Recommend

It does its job. I like that it’s compact, which makes it easier to use in tight spaces.

February 12, 2026
From GFCI Outlet Tester Verified Purchaser
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Works

It works as expected.

February 3, 2026
From GFCI Outlet Tester Verified Purchaser
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Compact

Would Recommend

Compact tester.

January 13, 2026
From GFCI Outlet Tester Verified Purchaser
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Instant results

Would Recommend
December 27, 2025
From GFCI Outlet Tester Verified Purchaser
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You need this

Would Recommend

Everyone should have one of these

December 23, 2025
From GFCI Outlet Tester Verified Purchaser
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Love it we have used this several times

Would Recommend
November 29, 2025
From Digital AC_SLASH_DC Voltage Tester 12 to 240V AC, 1.5 to 24V DC Verified Purchaser
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A must have if replacing outlets/buying new home.

Would Recommend

Purchased unit as I wanted to replace several older outlets and wanted a way to ensure the power was off and the three-way outlets were identified before I started. This device saved a lot of time and confirmed the wiring was correct.

September 30, 2025
From GFCI Outlet Tester Verified Purchaser
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