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.

When the chandelier starts flickering, don’t blame it on a ghost. Time to learn how to wire a light switch. You know that you need to change a switch when the lights go in and out, or if they make a ...

Archaic light switches might as well be from the stone age. All they do is turn a light on and off. They can't dim lighting gently or remember the brightness level you prefer. Outdated switches don't ...

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.

Science continues to prove that lighting affects our energy level, mood and sleep patterns more than we think — plus, it plays a tremendous role in altering the look and feel of interior spaces.

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 ...