The Best Non-Contact Voltage Tester

Using a non-contact voltage tester is the quickest and easiest way to safely check for electrical current in a wire, an outlet, a switch, or an old lamp that has mysteriously stopped working. This is a useful tool, and it’s one that every electrician carries. And after talking to a 20-year veteran electrician and performing eight months of testing with seven leading models, we found that the Klein NCVT-3 is the best one to get.
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