Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise this electrical tester for its accuracy, reliability, and intuitive design. Most highlight that it delivers consistent, instant feedback through bright LED indicators without false readings, even after extensive use. Many appreciate the compact, straightforward interface perfect for DIYers and professionals, with the built-in flashlight frequently cited as a standout feature for low-light inspections. Reviewers note the rugged build quality and convenient probe storage design. A few mention the short probe tips are difficult to insert into tight outlets, and rare reports note unit failures, but these minor issues don't diminish overall strong customer satisfaction.
Customer review summary generated by AI, including incentivized reviews.It works
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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
Does the job
Easy tonuse
Verified Purchaser
Fast tester
Would RecommendGave accurate reading
Nice tool
Would RecommendGreat for testing the outlets before buying a home
From Dual Range Non-Contact Voltage Tester with Flashlight, 12 to 1000V AC Verified Purchaser
Great value voltage tester.
Would RecommendThe tester works great on receptacles and insulated wires. It even works on GFI receptacles unlike the cheaper model.
From Dual Range Non-Contact Voltage Tester with Flashlight, 12 to 1000V AC Verified Purchaser
No sounder included
Would RecommendWorked great
Verified Purchaser
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.
Voltage checker
Would RecommendVoltage checker, does the job
From Dual Range Non-Contact Voltage Tester with Flashlight, 12 to 1000V AC Verified Purchaser
Beeps
Would RecommendEase of operation
From Dual Range Non-Contact Voltage Tester with Flashlight, 12 to 1000V AC Verified Purchaser
Does the job for AC only with a built in light.
Would RecommendCompact and has a light, wish it did low voltage DC also.
From Dual Range Non-Contact Voltage Tester with Flashlight, 12 to 1000V AC Verified Purchaser
Good sized kit.
Carry-bag could be slightly bigger
Verified Purchaser