David Grant of ACT Meters provides a basic understanding of digital multimeters and how to use them to test alarm systems. He pays particular attention to safety The purpose of a multimeter is to ...

How do you know if a resistor is correctly restricting the flow of electricity? Using a multimeter is an obvious answer. However, there is more to it than meets the eye. This article will explain what ...

The purpose of a multimeter is to enable you to test electrical circuits and record resistance, voltage and current measurements for future reference. Recording circuit measurements during alarm ...

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 ...

First, thanks for all the comments, both here and on my Facebook page, about the piece on Electrical Safety two weeks ago. I felt that, if I made it short and kept to the important stuff, people might ...

Last week, we introduced you to the multimeter (“John, this is multimeter. Multimeter, this is John. John owns a vintage car. John really needs you.”) Today we’ll tell you how to use the multimeter to ...

Home improvement addicts really get excited about their power tools. And in the shadow of drills and sanders, the multimeter doesn't get much love. Too bad, because multimeters are just as useful and ...