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O/T Wiring a fan and light on a two way switch

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Todd in Indiana

09-03-2004 20:11:30




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I know how to wire a a two way switch with 12/3 and how to wire a ceiling fan/light with seperate switch"s. How do I wire a ceiling fan/light with seperate switch"s (one for fan one for light) on two way switch"s?




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Charles (in GA)

09-04-2004 06:43:24




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 Re: O/T Wiring a fan and light on a two way swit in reply to Todd in Indiana, 09-03-2004 20:11:30  
Thats easy, two complete separate two way circuits to the fan mounting (Two sets of switches, one for lights, one for fan). Coming out of the fan, the light will have its own hot/netural and so will the fan. Usually people twist the light and fan hots/neturals together and put them on one incoming hot circuit, you just keep them separate and wire one to one two way circuit and the other to the remaining two way circuit.

The light wires will be separate from the fan, they pull up thru the hollow center of the fan shaft and arrive at the top of the motor, along with the wires from the fan motor.

As someone has noted, some of the more expensive fans will have remote control receivers wired into them and you cannot do this with those type of fans. On these you provide one electric circuit (hot/netural/grd) to the fan and the remote does the rest.

Use the largest fan approved mounting box you can find, as you will have many wires in it and you need the cu. in. capacity to handle them under the code, in addition to needing room to work in the box.

Charles

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cannonball

09-04-2004 09:11:50




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 Re: O/T Wiring a fan and light on a two way swit in reply to Charles (in GA), 09-04-2004 06:43:24  
all the fans i have ever put up have 4 wires..1 black..fan ...blue light kit...white netural..green groung... needs to run 2 sets of switches..bring the hot back to black on one and the hot back to blue on the other...can carry one hot to first set of switches..have nice day may god bless



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cannonball

09-04-2004 09:13:20




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 Re: O/T Wiring a fan and light on a two way swit in reply to cannonball, 09-04-2004 09:11:50  
green ground



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budyzbuddy

09-04-2004 11:39:35




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 Re: O/T Wiring a fan and light on a two way swit in reply to cannonball, 09-04-2004 09:13:20  
Cannonball,
As Mark said, it can be done but you will need two (2) switches and two power sources (12/2 w/ground) running from the switch box to the fixture. First, KILL THE POWER to your existing switch. It's easier to work on the wiring if you take the fan down. Do this only if you can pull the excess cable back when you re-install the unit. Separate the fan and light wiring in the fixture,(the power wires for each unit are probably joined now). Connect the black wire of one incoming cable (Romex, BX, etc.) to the fan's switch power supply and the black wire from the other incoming cable to the light's power supply (likely a red or black wire). Connect the white wires from the fan and the light separately to the respective white conductors and do the same with the ground wires. You may find a flat, braided wire attached to the unit housing. It is the ground for both functions. You can twist all the grounds (bare wire) together and run a short 12 gauge "jumper" from the twisted grounds to the mechanical connection on the fixture housing. Pre-twisting the wire with wire pliers before you put the wire nuts on will insure a trouble-free connection. Ascertain that the wall switch box is fed from the breaker-box with 12/2 wire. Check your work with a continuity tester to be sure switch function is correct before restoring power.
If it's impossible to access the fixture through your walls or ceiling, consider some of the attractive and user-friendly external wire moulding that has become very acceptable in recent years, thanks to all the loft conversions people have done. This moulding is easy to work with and looks professional in any setting. About switches; you can put a dimmer switch on you light if you don't use flourescent lamps in the light but you cannot use a dimmer on the fan without burning up the fan and/or switch. Use the pull chain to control fan speed. You CAN install a three-speed wall switch to control fan speed, but it requires using feed wire with more conductors and the switch may cost as much as the fan. If you have the wiring diagram for your fan/light combination, an electrician can show you how to wire it for wall switch speed control. Most journeymen are flattered that you sought their advice and will give it freely. GOOD LUCK!

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Turtle

09-04-2004 06:37:30




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 Re: O/T Wiring a fan and light on a two way swit in reply to Todd in Indiana, 09-03-2004 20:11:30  
Yes it can be done. But You must have three insulated conductors going from your fan/ligth to your switches. This does not include the ground. It will also require either another switch if it is a double gang box or you could get a doogle if it is a single gang box. If this is a new installation this will be quite easy. If this is an existing installation, new romex will probably have to be installed. With the new remote type fans that are out there, It would probably be cheaper to spend the extra money on that than to rewire. That of coarse that is depending on the configuration of your house ie: atic access as apposed to first floor etc. If you can provide a little more detail it would help. But as always electricity is not something to just guess at. Turn breakers off if doing simple repairs, get craftsman to do any real remodel. The life you save may be yours or a loved one.

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JimE in NE IN

09-04-2004 05:44:25




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 Re: O/T Wiring a fan and light on a two way swit in reply to Todd in Indiana, 09-03-2004 20:11:30  
Yes it will work I have 2 that are setup using the lights in the fan. There is a separate wall switch for light and fan. It does not control the fan speed only on/off. Unfortunately I don"t know how it is wired it was like that when we bought the house but yes it will work!



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TheRealRon

09-04-2004 05:26:32




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 Re: O/T Wiring a fan and light on a two way swit in reply to Todd in Indiana, 09-03-2004 20:11:30  
Read the instructions that came with the fan. In most cases, you cannot do what you are suggesting. Some fans have separate circuits and many newer fans now have remote controls that allow you to "click" each on/off at will.



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Mark - IN.

09-04-2004 04:58:39




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 Re: O/T Wiring a fan and light on a two way swit in reply to Todd in Indiana, 09-03-2004 20:11:30  
Todd, are you talking about the ceiling fans that are not only a fan, but also include a light? It"s too early in the morning. I am thinking that those type of units are wire hot, common, and ground that are shared by both the light and the fan. Mine all are. Don"t recall ever seeing one with a seperate hot for the light from the fan. Mine have a chain pull for the light, a chain pull for the fan, and a switch to reverse the fan direction. If that"s what you have, you"ll wire the four wires in between the two switches and unit just like any two way switch.

Now, if you"re thinking about getting inside of the unit and seperating the leads from the light and fan, I suppose it can be done, but would have to look inside at it, wouldn"t even guess at how they have it set up (wires spliced/beenied together? Wires screwed or mounted to a common buss? Soldered?). If you end up with a unit that has both a fan and a light that operate seperately/independently of each other, then you will have to run a seperate ??/3 (12/3 in your case) to the switches and fan, for the fan, and a seperate ??/3 to the switches and light, for the light. And if that"s the case, go with a deep, deep 1900 or gem-box, because that"s a lot of wires and wire nuts to try and pack into one shallow box.

I assume you have units that are equipped with both a fan and a light, that you want to work independantly of each other by seperate switches. You sure that they have seperate sets of leads for fan and light? Never seen one, not saying don"t exist, or that mine aren"t cheapies. Just never seen one. Industrial? Hmm? Perhaps, I guess? Too early Todd - no shower yet.

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Pappy

09-04-2004 01:29:21




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 Re: O/T Wiring a fan and light on a two way swit in reply to Todd in Indiana, 09-03-2004 20:11:30  
I don"t think it will work. As I see it, you could power both items with one three way switch, but one of them would be on all the time. You would have no "off" position. I am not the worlds foremost authority on electricity, but I have been shocked a few times.



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Ray,IN

09-04-2004 21:00:15




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 Re: O/T Wiring a fan and light on a two way swit in reply to Pappy, 09-04-2004 01:29:21  
Our contractor just wired one this way. I only watched while he ran a 5 wire conductor between the fan/light/nightlight combo, and used a couple of 3 gang paddle switchs for controlling each independently.



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