A light switch is the simplest of electrical devices. Flip the switch, electricity flows. Flip it again, electricity stops. Lights on, lights off. That’s great for a small room with one entrance.

Q. I would like to install several dimmer switches to control light output. Do I need special wiring to accomplish this? Older dimmers I have used scared me because the switch is very warm to the ...

Q: Can dimmers save energy? How hard are they to install? A: Dimmers can be utilized to save money on your energy bill. Installing a dimmer switch will only take an afternoon. Here are the basics.

No doubt about it: Jasco’s Enbrighten dimmer makes switch wiring easier. Reverse the line and load wires and the switch won’t work. A voltage tester will tell you which wire is which, but since most ...