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You will need two 3/way switches and two 4/way (Intermediate) switches. Click the link to see a video of exactly how to wire such a circuit.

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Q: What type switches and how many of each would be need to control a light from 4 places?
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Can you use a fan control switch as a dimmer switch?

Probably not, since a volume control switch is designed for extremely low current measured in fractions of a watt, while a dimmer switch is typically capable of handling several hundred watts.


To mount two switches and a pilot light in a single gang standard device box you would use?

You would need to purchase a duplex switch. As for the pilot light look for a duplex switch that has a neon pilot light that is incorporated into the handle of the switch. When the switch is turned on the switch's handle will illuminate.


Can you use 14-2 wire to operate a ceiling fan using two switches one for the fan the other for the lights?

On these types of installations an electrician would use a three wire cable set from the switch box to the fixture's junction box. At the fixture's junction box both the fan neutral and the light neutral would be wire nutted together with the incoming neutral from the switch boxes. From the three wire, the white wire would go to the fan and light's neutral wires. The Black would come from the bottom of one of the switches and go to the fan's motor lead. The red wire would come from the bottom of the other switch and go to the light fixture's lead. It can be done with two runs of two wire to the fixture. You will need a two gang switch box for this project to hold the two separate switches. You could use a single gang light switch box if you can still find where duplex switches being sold. A duplex switch is one that has the configuration of a duplex receptacle with the switches being one on top of the other. The cover plate is the same one used for duplex receptacles. To answer this question fully more information is needed. See discuss in the left margin.


What is the main purpose of SPDT and DPDT switches?

The number of poles refers to how may separate signals or if you will, wires you switch when the switch is activated or deactivated. For example your typical light switch just switches the hot wire and turns the light on or off and is called a SPST switch. The SPDT switches a signal to either of two circuits. So for example, if you had hot connected to the input and a light connected to each output (Throw), you would have one light on and one off and each time you throw the switch the lights switch which is off and which is on. The DPDT can switch two separate signals at the same time and each goes to one of two separate circuits. If you had two separate breakers and four light bulbs you could hook up one breaker hot to one pole and the other breaker to the second pole. If you had four light bulbs each connected to each of two switch outputs, then one bulb from each breaker would be on and when switched the other bulb on each breaker would be on. For diagrams just search for SPDT and DPDT.


What will happen if you replace two three way switches with two three way dimmers?

If you're really lucky, you'll just have no power going to the light. You could very easily short out across the circuit breaker. Dimmers are not intended to be used in series, which would be the only way to hook them up in place of 3-way switches. This does not apply if you can find 3-way dimmer switches. They are expensive and fairly uncommon, but there are a few out there. It's always best to have any electrical work performed by a licensed, bonded electrician.

Related questions

How do I turn on three light bulbs in sequence using one switch?

To do something like that you would first have to have each light on it's own smart switch. Then you would need a master switch that would control each of the other smart switches. You can find switches like this at www.smarthome.com


Is it required for bathroom light switches to be protected by the GFCI?

the oulets yes the switches would be a no


What will happen if the two switches connected to light up a single bulb are on?

It is dependant on whether the switches are in wired in a parallel or series configuration. If the switches are wires in parallel then both switches would have to be off to turn the light bulb off. Either switch could turn the light bulb on. If the switches are wired in series then both switches would have to be on to turn the light bulb on. Either switch could turn the light bulb off.


If a light-fan switch worked as one switch up turns on the lights and the other down turns on the fan then why would the fan switch suddenly reverse so up is on?

Sounds like someone has tinkered with 3-way switches (used to control one light from 2 switches).


How difficult or costly is it to replace low power light switches connected to remote control relays with conventional switches and wiring?

It would be very cost prohibitive project. It would involve completely rewireing your home. i would imagine that it could run 10-30,000 depnding on the home and number of locations to be redone.


Why do you need light switches inside the fridges?

It would waste electricity if the light were on all the time. It only needs to be on when the door is open.


Can you control each of the bulbs arranged in series using switches?

The switches would have to be of a type that could switch out a bulb and at the same time switch in its place a resistor of equivalent value.


Is there a fuse or relay for 99 grand caravan cruise control.. light on dash not working but airbag and horn work fine..I don't think its the clock spring?

I believe there is no fuse just for the cruise control. The cruise control circuit is covered by the PCM. However, I would check the switches on the brake pedal.


Which us president was afraid of light switches?

Benjamin Harrison was the President when the White House first got electricity.Reportedly, he and his wife were afraid they would get a shock if they touched the light switches. A servant had to turn off the lights at night.


Where can one purchase Gigabit switches?

These switches are available online on many different places. All you have to do is search and decide on a price and which one you would prefer, and whichever one you need to suit you.


When controlling light fixtures from four different locations what types of toggle switches would be used?

Use three-way (as opposed to single pole) toggle switches for this application.


Where does the outside Porch light switch belong in a multiple inside switch configuration?

If the porch light switch is the only outside item controlled y the switch bank inside the house, the porch light switch should be located the furthest from the door frame adjacent to which the switch bank is sited. The switch closest to the door should control the lighting in the room immediately adjacent to the door. In this manner, when entering the room from the outside in the dark, you merely toggle the nearest switch to the door frame to light the room - you don't have to reach around or over other switches. Switches controlling other internal lights should be sited in between. So, for a 2-gang arrangement, the switch located closest to the door frame controls the interior light and the other switch controls the porch light. For a three-gang arrangement, the middle switch would control another interior light. The only complication is that is if there are switches in the switch bank that control other exterior circuits, the porch light would be inboard of these and would not be the last outboard switch in the array. So, for a three-gang array in which two exterior lights are switched, the porch light switch would be the middle switch and the other exterior lights (sports, floods, landscape lighting, etc.) would be controlled by switches placed further from the door frame.