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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

Worked great and inexpensive

Would Recommend

Perfect if you’re buying a new home or renting an apartment an easy to use inspection tool!

April 25, 2026
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Don’t get fried!

Would Recommend

Easy to use and super essential if you are sure everything is off before working on a socket or plug. One good zap and you won’t try to work on electrical again without it.

April 23, 2026
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Works well

Good product

April 23, 2026
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Read Instructions on Use

Would Recommend

Worked as expected and avoided electrocution.

April 22, 2026
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Works great

Would Recommend

Good price, nice product

April 22, 2026
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safety first

Would Recommend

These are must haves if you are going to rewire or install you need these always verify power is off before starting and check your polarity when finished

April 17, 2026
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Great for home projects

Would Recommend

Easy to use

April 16, 2026
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Great product

Would Recommend

I worked like a charm

April 16, 2026
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Must Have

Would Recommend

This set is easy to use and a solid investment.

April 16, 2026
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Easy breaker location

Would Recommend

Product helped me locate breaker without having a second person

April 16, 2026
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It only shows if there is a hot leg not neautral

Would Recommend

Ease of use if you read the instruction

April 16, 2026
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Voltage

Would Recommend

It works well trying to find what is working and not

April 16, 2026
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No bells and whistles. Just good circuit testers.

Would Recommend

Reliable and dependable instruments. My go to choice when starting to troubleshoot typical house wiring issues.

April 16, 2026
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Works as advertised.

Would Recommend

Kit worked well. Very reliable and accurate in our home.

April 9, 2026
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If you don’t know what you’re doing, don’t do it

Would Recommend

It worked just like it was supposed to

April 8, 2026
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AC SAFETY FIRST STEP.

Would Recommend

AC Electric Power line Voltage Indicator. Quick test for live voltage / with wire connection indicator and GFCI Trip button. Good for locating GFCI outlets.

April 8, 2026
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