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.

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, ...

Cleveland, Ohio — Keithley Instruments, Inc. has introduced the Series 3700 system switch/multimeter and plug-in card family. Touted as Keithley's next-generation platform of switching and integrated ...