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The two way switches work in pairs. We find most of them in our houses where the light bulb can be operated by two switches each at the far end to the other. Each switch consists of three terminals two of which are connected. When one switch is open and the other is closed then the bulb glows and viceversa

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12y ago
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11y ago

Just remember a three way switch has no labeled on and off position. There are three power contacts. One is the center pole and the other two are separate contacts that connect to the center when switched. So just connect the wires to be switched to the center pole and pick either of the othe poles for the other side of switched wire. Mount switch so up position is ON.

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11y ago

you can control from two different places

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A 'two-way' switch is the term used in the UK for what, in North America, is termed a 'three-way' switch. As the original answer says, a pair of two-way switches (three-way switches -US terminology) are used to control the same lamp from two different places, e.g. the top and bottom of a staircase.

The term, 'three-way' is a little confusing, as it really means 'three terminal', rather than three 'way'!

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11y ago

If I am correct I think you are wanting to know how to connect a 3 way switch where you can turn off an light at 2 locations. At one switch you run a 12/2 wire from the switch to the light. There is no power at this switch. At the other switch you have your a power input wire. Run a 12/3 wire from one switch to the other. Connect all the whites together and shove them back in the box at the switch with the wire going to the light. At the switch with the 12/2 wire going to the light, connect the black 12/2 wire coming from the light to the black screw on the 3way switch. Now connect the red wire and black wire from the wire you ran between the switches to the other 2 screws on the switch. It does not matter which you connect to which screws. Connect the ground wire and put that switch in the wall with the cover on it. Now move the the other 3way switch with the power wire. Again connect all the whites together and shove them back in the box. Connect the black wire from the power source to the black screw on the switch. Now connect the other 2 wires left, black & red to the other 2 screws that are left. Again it matters not which wire you connect to which 2 screws that are left. Connect your ground wire and put the switch in the wall a cover on. At the light connect the black to black and white to white. Connect the ground wire to the green or ground wire on the light. You are done.

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15y ago

read the instructions in the switch packet

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11y ago

You can't. You will need a 3way switch at each end with 12/3 or 14/3 wire run between them. Power at one switch and light wire at the other switch.

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15y ago

The link will show a diagram of how to wire a two way switch.

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Q: How do you connect two way electrical switch?
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Difference between one way switch and two way switch?

A 'one way' switch is typically considered a 'single pole' switch with essentially one contact for the connection of an electrical circuit. A 'two way' switch probably refers to what is considered a 'three way' switch. where a single, common terminal can be connect to one of two possible contact points. (One incoming wire, and two potential 'outgoing' connections. A single pole switch is typical used when a device (light switch, fan, receptacle) only needs to be controlled from one location. A 'three way switch' is used when a device needs to be controlled from more than one (I.E. the top and bottom of a stairway, at both ends of a hallway) A three way switch allows for a device to be controlled independently from two locations, regardless of the position of the other switch.


How do you wire 3 way rotary changeover switch?

By changeover switch, if you mean forward reverse switch, the correct electrical terminology you should be searching is, wiring of an electrical drum switch.


A three way switch is what type of switch?

A three way switch is one of two devices that is used in operating a load from two different positions. This type of electrical circuit is known as three way switching. This terminology is used in North America, in Europe and the UK this type of switching is known as two way switching.


What are the disadvantages of a two way switch?

What is Disadvantages of two way switch


Were do you connect the dimmer wire?

There should be two wires coming from the dimmer switch unless it is a 3-way dimmer. The wires should be labled line and load on a normal 2-way switch. The line load is connected to the incoming power wire. the load wire is then connected to the wire that goes to the fixture. If you area replacing an old two way switch, then it will hook up exactly the same as the original switch, except for the fact that you will have to connect the pigtail wires of the switch to the other wires that used to be under screw terminals. I hope this answered your question. Thanks, Ben M. There should be two wires coming from the dimmer switch unless it is a 3-way dimmer. The wires should be labled line and load on a normal 2-way switch. The line load is connected to the incoming power wire. the load wire is then connected to the wire that goes to the fixture. If you area replacing an old two way switch, then it will hook up exactly the same as the original switch, except for the fact that you will have to connect the pigtail wires of the switch to the other wires that used to be under screw terminals. I hope this answered your question. Thanks, Ben M.

Related questions

What is a two way lever switch?

In electrical terminology it is known as a single pole double throw switch.


Difference between one way switch and two way switch?

A 'one way' switch is typically considered a 'single pole' switch with essentially one contact for the connection of an electrical circuit. A 'two way' switch probably refers to what is considered a 'three way' switch. where a single, common terminal can be connect to one of two possible contact points. (One incoming wire, and two potential 'outgoing' connections. A single pole switch is typical used when a device (light switch, fan, receptacle) only needs to be controlled from one location. A 'three way switch' is used when a device needs to be controlled from more than one (I.E. the top and bottom of a stairway, at both ends of a hallway) A three way switch allows for a device to be controlled independently from two locations, regardless of the position of the other switch.


How do you wire 3 way rotary changeover switch?

By changeover switch, if you mean forward reverse switch, the correct electrical terminology you should be searching is, wiring of an electrical drum switch.


A three way switch is what type of switch?

A three way switch is one of two devices that is used in operating a load from two different positions. This type of electrical circuit is known as three way switching. This terminology is used in North America, in Europe and the UK this type of switching is known as two way switching.


What happens if you accidentally reverse the wiring in a light switch?

A single pole, single throw light switch simply interrupts the electrical current. It makes absolutely no difference which way you connect the wires, it will still interrupt a circuit when connected in series.


What are the disadvantages of a two way switch?

What is Disadvantages of two way switch


Define one way switch?

A "one way switch" or better known as a single pole switch is simply a device that breaks the electrical circuit to a device. ie; A single pole light switch is used to turn off and on lights from one location.


How do you install network between two computers?

the best way to do this is to connect both computer to a router or switch and set them up as a workgroup or VPN


How did they use to wire two on off switches to one fixture?

You need two 3-way switches. To see a diagram use your favorite search engine and search for 3-way switch wiring. Each switch has a common connection point and two other terminals. Basically connect the "other" terminal on 1 switch to either "other" terminal on the second switch and then do it again for the remaining "other" terminal. Then connect the common on one switch to the fixture and the common on the remaining switch to supply voltage. Tie neutral and ground for fixture and supply to the white and bare wires respectively.


Were do you connect the dimmer wire?

There should be two wires coming from the dimmer switch unless it is a 3-way dimmer. The wires should be labled line and load on a normal 2-way switch. The line load is connected to the incoming power wire. the load wire is then connected to the wire that goes to the fixture. If you area replacing an old two way switch, then it will hook up exactly the same as the original switch, except for the fact that you will have to connect the pigtail wires of the switch to the other wires that used to be under screw terminals. I hope this answered your question. Thanks, Ben M. There should be two wires coming from the dimmer switch unless it is a 3-way dimmer. The wires should be labled line and load on a normal 2-way switch. The line load is connected to the incoming power wire. the load wire is then connected to the wire that goes to the fixture. If you area replacing an old two way switch, then it will hook up exactly the same as the original switch, except for the fact that you will have to connect the pigtail wires of the switch to the other wires that used to be under screw terminals. I hope this answered your question. Thanks, Ben M.


How do you do staircase wiring?

A two way switch is required for staircase wiring. A staircase switch will have two terminals. Connect the line wire with the center terminal. Connect the two ends of a wire with the top two terminals and two ends of a wire with the bottom two terminals. The line wire at the center terminal can now be connected with one terminal of the light bulb or light holder.


What is a 3 way switch?

A three way switch is a switch that is used in a lighting circuit that allows the light fixture to be turned on from three separate locations within the building. In electrical terminology this switch is also referred to as a SPST, Single Pole Single Throw switch. The switch has three individual terminals of which two are always connected. These switches are usually located at the far extremes of the circuit with an intermediate switch between them. This intermediate switch is referred to an a four way switch.