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.

A multimeter and its test leads allow electrical workers to reach into an energized panel, touch live circuit components with the end of the test leads, and capture electrical readings like voltage, ...

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 ...

Keithley Instruments has added a Web-browser-based multichannel graphing toolkit to its Series 3700 System Switch/Multimeter family. The new data-visualization capability, which is included at no ...

Q: My wife wanted me to install a dimmer switch in our dining room — and now the chandelier works only half the time. Two switches in the room control the light. Since I tried to install the dimmer, ...