Learn how to test a transformer: insulation resistance, TTR, winding resistance, polarity, continuity, and dielectric checks.

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.” ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When tackling DIY projects that involve any kind of electrical wiring, components, or circuitry, you need ...

When working at high resistances, it becomes a significant factor. Caple capacitance increases the time to charge the cable, which can lead to additional settling time to make accurate measurements ...

I use a multimeter occasionally. I used one to make a Headphone Amplifier kit a few years ago, and occasionally to test voltage on an AC or DC Adapter. I don't want to spend crazy money but something ...