Ratings & Reviews for Klein Tools Digital AC/DC Voltage and GFCI Receptacle Test Kit
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.Quick electric tester
Would RecommendSmall, accurate, easy to carry around with you
good product
good
From Digital AC_SLASH_DC Voltage Tester 12 to 240V AC, 1.5 to 24V DC Verified Purchaser
Quality tool
Would RecommendDoes what the tool is designed to do. Really reliable.
From Digital AC_SLASH_DC Voltage Tester 12 to 240V AC, 1.5 to 24V DC Verified Purchaser
Must-Have Tool for Safe & Accurate Outlet Testing
The Klein Tools RT210 GFCI Outlet Tester is an essential device for anyone who works with electrical outlets. This compact tester plugs directly into any standard 3-prong receptacle and uses bright, easy-to-read LED lights to instantly show the wiring condition — open ground, open neutral, open hot, hot/ground reverse, hot/neutral reverse, or correct wiring. I’ve used it on dozens of outlets in my home and rental properties, and it has never given a false reading. It’s incredibly simple to opera...
Necessary tool in an older home
Would RecommendWorks well, good size
Fast tester
Would RecommendGave accurate reading
Easy to Use
Would RecommendThe product is super easy to use and is accurate, which helps to speed up projects.
Good product
Would RecommendOkay
Great little GFCI Outlet Tester
Would RecommendI like the GFCI tester feature. This tester comes in handy for all types of outlets.
Good deal
Would RecommendGreat price and accomplished exactly what I needed.
From Digital AC_SLASH_DC Voltage Tester 12 to 240V AC, 1.5 to 24V DC Verified Purchaser
Must have for your tool pouch
Would RecommendIn order to test the functionality of the ground fault circuit interrupter receptacles in my home, I bought this product to do just that. Personally, I love Klein test equipment. I would honestly recommend this product to people who work in the trades and homeowners alike.
Useful tool
Would RecommendWell built, easy to see lights
Quick, easy, and confident testing
Would RecommendCompact unit with clear lighting codes. No need for big LCD screen with text.
Quality product
Would RecommendWorks as intended
From Digital AC_SLASH_DC Voltage Tester 12 to 240V AC, 1.5 to 24V DC Verified Purchaser
Bestest
Would RecommendUsed it to trouble shoot a bad switch. Worked great.
From Digital AC_SLASH_DC Voltage Tester 12 to 240V AC, 1.5 to 24V DC Verified Purchaser