A 3-way switch is one that allows you to control a ceiling light (or other electrical fixture) from two separate locations. And theres an extra screw terminal on the side that allows a connecting point for an extra “common” wire so the switches can “talk” to one another.

How does a 3 way toggle switch work?

The 3-Way Switch, like the 5-Way Switch, is comprised of 2 sides, with 4 terminals on each side. The only difference here is the size of the blade that wipes the terminals. The 3 Way Blade only connects one terminal at a time, where the 5-Way blade switch can connect two terminals at a time.

What is a 3 way toggle light switch?

A 3-way switch is larger than a single pole switch and has three screw terminals for wiring connections, plus a ground. Two of these take traveler wires that go from one switch to the other. For the third terminal, one switch is connected to the hot supply wire while the other switch is joined to the light.

Can I use a 3 way switch as a regular switch?

Yes it can work. 3-way switches are spdt (single pole double throw) with 3 screw terminals, and regular switches are spst (single pole single throw) with 2 screw terminals. Just pick the correct two contacts and you are good to go. .

Do I need 2/3-way smart switches?

When you have two switches in a 3-Way situation, both need to communicate with each other so each knows the on/off status. So to answer your question: Yes, you need to replace both switches. Just be sure the smart switch supports a 3-Way companion switch like the HS210 Kit.

What is the purpose of a toggle switch?

A toggle switch is a type of electrical switch that is actuated by moving a lever back and forth to open or close an electrical circuit. There are two basic types: maintained contact and momentary toggle switches.