A clamp meter is a device with a metal ring, which can be clamped around two coils. The first one (the primary circuit) is the wire in which the current flows. The second one (the secondary circuit) ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? A digital multimeter is an indispensable tool for testing, diagnosing, and ...

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.” ...

The main advantage a good clamp meter gives you is being able to measure current without shutting off the power. You don’t have to strip back insulation either. This makes them very popular with ...

Hi everyone, Randy here again. I guess I'm not screwing up as bad as I thought because those magazine editors keep asking me to write another column. They said as long as I have something to talk ...

We may receive a commission on purchases made from links. Electrical diagnostic work is one of the most challenging parts of automotive repair. It can be incredibly daunting for beginners or DIY ...