What kind of switch do I need if two switches control one light?

A three-way switch connects the two switches and the light together, creating an uninterrupted, but controllable, circuit amongst all components. Light switches are able to turn a light on or off by interrupting the flow of electricity to the bulb.

Do I need a special switch for a 3 way?

It is not necessary to replace both 3-way switches with smart switches. You can use a standard 3-way switch for one of them, BUT there is a caveat. The SMART 3-way switch MUST be the MAIN SWITCH; i.e., the one that connects to the line/live wire from the fuse/breaker box.

How do I know if I need a single pole or double pole switch?

Both single pole and double pole switches can be either single or double throw. A pole refers to the number of separate circuits a switch can control, a single pole switch can operate one circuit whereas a double pole switch can control two circuits. A throw refers to how many positions can be activated by a switch.

How do I change an old light switch?


  1. Remove the Cover Plate and Test for Power. Remove the wall switch’s cover plate by removing the mounting screws. …
  2. Extract the Switch. …
  3. Examine the Wires. …
  4. Disconnect and Remove the Switch. …
  5. Attach a Grounding Pigtail (If Needed) …
  6. Connect the New Switch. …
  7. Install the Switch and Cover Plate.

How do you wire a light fixture with two switches?

Quote from the video:
Quote from Youtube video: Both blue neutral wires to neutral terminal and both light brown wires to the loop terminal.

What is the difference between a single pole switch and a 3 way switch?

Quote from the video:
Quote from Youtube video: So how do you tell the difference. If. You still have a cover plate on you can tell because the single pole switch will have on and off written on it whereas the 3-way switch will not.

How can you tell if a switch is 3-way?

A more positive way to identify a 3-way switch is to look at the body of the switch and count the number of screw terminals: a 3-way switch has three terminal screws plus a ground screw. Two of the terminals are a light color—bronze- or copper-colored—and are called travelers.

What are the 4 types of switches?

The types of switches are classified into four types namely:

  • SPST (Single Pole Single throw)
  • SPDT (single pole double throw)
  • DPST (double pole, single throw)
  • DPDT (double pole double throw)

What is the difference between 2 way and 3-way switch?

In a normal switch, the two terminals are either connected (as shown) or disconnected. When they are connected, the switch is “on.” In a three-way switch, the top terminal connects to one or the other of the bottom two terminals.

How do I know what light switch I need?

Three-Way light switches (Single Pole/Double Throw) – Three-Way light switches are used in pairs to control lights. A 3-Way light switch can be identified by the extra wire connected to it for the 3-Way switching. A 3-Way light switch will have one Line/Load wire and two traveler wires connected to it.

What type of light switches are there?

Let us take a closer look at some of the common and popular types of light switches that we come across in lighting circuits.

  • Single Pole Switch. …
  • Double Pole Switch. …
  • Flip Switch / Toggle Switch. …
  • Rocker Switch. …
  • Three Way Switch. …
  • Four Way Switch. …
  • Dimmer Switch. …
  • Push Button Switch.

Do you need an electrician to change a light switch?

Do I need an electrician to replace a light switch? No. If you’re replacing a broken light switch or a like-for-like one, it’s a simple task that only requires you to know how to safely isolate the circuit and some basic tools.

What will happen if you wire a light switch wrong?

But here’s the catch: If you connect the circuit wires to the wrong terminals on an outlet, the outlet will still work but the polarity will be backward. When this happens, a lamp, for example, will have its bulb socket sleeve energized rather than the little tab inside the socket.

Can I change a light switch without turning off the power?

You can change as many outlets as you want without switching the power off.

Is it easy to replace light switches?

Whether you are installing a new light switch or replacing an existing light switch, it is not a difficult task and is easily accomplished by most homeowners. While there are a variety of switch types, such as 3-way switches, 4-way switches, timers, or dimmers, the same basic procedure is used for all of them.

How do you wire a light switch with old wiring?

Quote from the video:
Quote from Youtube video: Into a 5 amp connector block then the cable going out to the outside light goes out of the switch is a switching line here in red and the black neutral goes out to the outside light itself.

Does it matter what wire goes where on a light switch?

It doesn’t matter as long as you do it the same on both switches. So, if you connect it to the upper right terminal on one switch, connect it to the upper right terminal on the other switch. Connect the second traveler wire to the terminal opposite the red wire terminal.

Why does my light switch have 3 wires?

A 3-way switch makes it easy to turn on a light fixture from two separate locations in the home. Wiring one is slightly different from wiring a single-pole switch. In a standard, single-pole switch, one light switch controls one light fixture—on/off.

Can you use a 3-way switch as a single?

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.

Is the red wire common in a 3-way switch?

Red, Black, and White are the colors of switch wiring for three-ways. Red and Black are connected to the switches if the White is used for neutral. The White is often referred to as Common, but the colored wires are also used as hot wires.