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 jo… ...

Most people don’t realize the full potential of a multimeter! Learn how to use all its features like a pro with this ultimate guide. From basic functions to advanced techniques, this step-by ...

The latest addition to Keithley Instrument's plug-in switch and control cards for its Series 3700 System Switch/Multimeter mainframe is a two-pole reed-relay matrix card with 6 rows by 16 columns.