Voltage testers measure the flow of electric current passing through a circuit, battery, or outlet; it is an easy-to-use tool that no electrical engineer, hobbyist, or electrician should be without.

Proper safety procedures are critical when testing high-voltage systems. As the following examples prove, mistakes happen. However, when the safety of you and your coworkers is at stake, neglecting ...

While using a digital multimeter to diagnose electrical problems on customers’ equipment, I frequently hear the comment, “I’ve got one of those multimeter things, but I never learned how to use it.” ...

In this first of a three-part series on power quality surveys, we take a look at the role of baseline surveys, the tools ...

We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › From testing batteries to determining the amount of voltage in an electrical circuit, ...

If you have a voltage tester from Klein Tools, you'll want to check the model to make sure it's not one that was recently recalled by the U.S. Product Safety Commission. The recall was issued on June ...