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for rooms with two entrances, you don't have to cross a darkened room before turning on the light, or after turning it off.

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Q: Why is a 3-way switch important?
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Continue Learning about Electrical Engineering

How do you control a lamp from three different positions?

we use 2-3way switch and 1-4way switch


What colours replaced black and red wires in electric plugs?

Black & White are normal for an 120 volt electrical plug. Red is used in a 12/3 wire which is used for a 3way switch setup. It is also used in a 240 volt plug. Black and Red are hot, white is neutral.


You have an outlet with three light switches controlling three different lights what is this called?

A triplex outlet. It is a simple device unless one or more of these switches are "3way" switches.


Why is a torch switch important in a circuit?

A switch in a circuit will quickly allow you to break the circuit, without changing the wiring. For example, a light switch. By turning a light switch off, you are breaking the circuit and, thus, turning the light off.


How do you control 2 lamps with two way switch?

A 3way switch at each location is what you use, but it must be wired properly to work. You must have incoming power at one switch location and no power at the other location. The other location has the wire going up to the light. You then need a 3 conducted wire such as 12/3 or 14/3 running between the switches. Use the same size wire you used to power the switch and top up to the light. You then connect the black power wire at one location to the black screw on the switch, and at the other location you connect the black wire going to the light to the black screw on that switch. At each location tie the whites together under a wire nut and shove that back in the box. Tie the grounds together and connect that to the ground screw at each switch. At each location you will now have the black and red wire from the wire you ran between the switches left. Those are called travelers. Connect those wires to the remaining 2 screws left on the switches at each location. Does not mater which you connect to which screw. Assuming no other wires are involved this is how you wire it.

Related questions

How do you control a lamp from three different positions?

we use 2-3way switch and 1-4way switch


How do you wire a one light to be operated from 4 location?

you will need 2-3way switch and 2-4way switch


What are the release dates for 3Way - 2008?

3Way - 2008 was released on: USA: 4 February 2008 (Los Angeles, California)


What are the release dates for 3Way - 2008 LadyCops Brotherly Love?

3Way - 2008 LadyCops Brotherly Love was released on: USA: 6 July 2009


What are the release dates for 3Way - 2008 Psychodrama 1-7?

3Way - 2008 Psychodrama 1-7 was released on: USA: 7 April 2008


What are the release dates for 3Way - 2008 Siobhan Sizzles 1-8?

3Way - 2008 Siobhan Sizzles 1-8 was released on: USA: 13 April 2008


Do pioneer 3way 6x9 speakers fit in the rear doors of a 2002 accord coupe?

Do pioneer 3way 6x9 speakers fit in the rear doors of a 2002 accord coupe?


What are the release dates for 3Way - 2008 Rhonda Rapid Delivery 1-9?

3Way - 2008 Rhonda Rapid Delivery 1-9 was released on: USA: 20 April 2008


How do you insulate 3way valve for the fcu?

You insulate the 3way valve for the FCU to control temperatures. If the valve is left uninsulated, the contents will either lose or gain temperature depending out external conditions.


How is one light controlled by three switches?

That is called a 4 way light switch circuit. On each end of the circuit you install a 3way switch and in the middle you install a 4 way switch.Answer using British TerminologyIn the UK, 'three-way' switches are called 'two-way' switches (more logical, if you think about it!), and the 'four-way' switch is called an 'intermediate' switch.


What are the release dates for 3Way - 2008 Fatal Distraction Part 1 1-4?

3Way - 2008 Fatal Distraction Part 1 1-4 was released on: USA: 17 March 2008


What are the release dates for 3Way - 2008 Fatal Distraction Part 2 1-5?

3Way - 2008 Fatal Distraction Part 2 1-5 was released on: USA: 23 March 2008