How does a light switch work? If you're installing new switches or upgrading some of your existing ones, which kind do you need to buy? Edit Article wiki How to Replace a Light Switch. Three Methods: Changing a Single-Pole Light Switch Changing a Three-Way Switch Changing a Dimmer Switch Community Q&A.

About Switches: Single Pole, Three- Way, Four- Way, Dimmer, Occupancy, More - How to Install a Switch or Receptacle. Types of Switches. Turn a switch on and it completes the circuit, letting electricity flow through it. Turn it off and the circuit is broken; the switch creates a gap that stops the flow. Essential switches. The most common household switch, a single- pole, has two terminals and simply turns power on or off.

I had a buzzing sound in my just-installed dimmer switch, so I followed your advice to unscrew one or more of the bulbs. I did so with the center/ceiling light in the. After 30 hours of research and testing 9 different wireless dimmer light switches, we think the Lutron Caséta Wireless In-Wall Dimmer is best for most people. Download Adobe Reader 9 Lite Steel.

• DIYNetwork.com electrical expert James young shows how to easily install a motion-sensor light switch. It's handy because it turns on when anyone walks into the room.
• Replacing a standard single-pole or three-way switch with a dimmer switch is no different than replacing a standard switch. Remember: Dimmer switches don’t work on.

A three- way switch has three terminals; a four- way has four. These control a light from two or three locations, such as in a stairwell, at either end of a hallway, or in a large room with more than one entrance. A dimmer switch controls a light's intensity. Usually you can replace any single- pole switch with a dimmer. Web Idea Tree Professional V5 40 Cracked Pepper. However, for a fan or fluorescent light, buy a special switch rated to control those devices.

Special switches. In addition to the familiar toggle and rotary switches, specialty switches can do everything from turning on when you walk into a room to varying the speed of whole- house fans. Other special- duty switches can be time- programmed or let you know whether a remote light is on or off. Decorative switches include styles that rock, turn, or slide rather than toggle.