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 have a tenant who complained that a light fixture wouldn’t light. After I replaced the switch, the light still wouldn’t come on. I realized that all the bulbs were out. Anyway, is there a way to ...

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 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 ...

Members of the Series 3700 system switch / multimeter family, the Model 3724 dual 1X30 solid-state FET relay multiplexer card offers scanning speeds of ≤ 1,000 channels/s, including measurement, while ...