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.” ...

Q. I installed a dimmer switch in my dining room and now the chandelier only works half the time. There are two switches in the room that control the light. They worked fine before I started the job.

Keithley Instruments at Autotestcon highlighted its new Series 3700 system-switch/multimeter and plug-in card family, which it describes as its next-generation ...

When you need a multimeter for testing electrical equipment around the home, it's vital to know what all those symbols around the dial mean.

Car batteries don’t just die. Well, they will if you leave them for long enough. but not just over the course of a few hours or even just a day or two. Finding your car has a dead battery after it was ...