2025 Voltage Tester Blacklist: These 5 "Live Wire Killers" Could Leave You Numb

Voltage testers are supposed to keep you safe---not make your fingertips tingle in the worst way. But in 2025, some models on the market are doing the exact opposite. Whether you're a seasoned electrician or just trying to replace a light switch at home, the wrong tester can give you a false sense of security---and that's when accidents happen.

We dug through recall reports, user reviews, and real-life horror stories to bring you the 5 worst voltage testers to avoid this year. We're calling them the "live wire killers"---tools that either misfire, break too easily, or completely fail at the one thing they're built for.

Don't worry---we're also giving you safer, field-tested alternatives that actually do their job.