We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Liam McCabe I made no fewer than five mistakes trying to install a smart ...

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: 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.

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 ...