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Old 11-19-2012, 05:37 AM   #1
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Diagram for 3 way ceiling fan light switch


Ceiling fan light 3 way wiring problem

I'm trying to wire two 3-way switches to the light fixture on a ceiling fan. One switch is a Cooper over/under Duplex switch with the top being a single pole switch that controls the fan and a 3-way switch on the bottom for the light. The other side of the room has your standard 3 way toggle switch. Power is coming into the duplex switch side then to the fan/light and on to the 3 way toggle switch side. No problem with the fan switch. Below is how I wired the light. I can turn the light on and off at the right side switch (toggle) and then and only then can I turn off the light at the duplex switch (bottom 3 way). When I turn the light off at the right side switch (toggle), I cannot turn it on at the duplex. How can I rectify this situation without going from switch to switch to light? I wired the 3 way switch on the Duplex side the same as this attached diagram. Black wire from the right side 3 way toggle switch is attached to the blue/light wire in the fan.
I attached the white wire coming from the left side duplex switch side to the Common white wire on the fan, which I believe is common to the circuits for the entire fan.

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Old 11-19-2012, 06:50 AM   #2
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Diagram for 3 way ceiling fan light switch


The diagram you show is correct, if if doesn't work:

You wired differently than the diagram

Or

You have a bad switch.

Check the terminals on the 3 ways and be sure you have correctly id'd the commons.

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Old 11-19-2012, 07:31 AM   #3
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Diagram for 3 way ceiling fan light switch


What cable did you run between the double switch and the light? You need four wires + ground to make it work properly
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Old 11-19-2012, 07:56 AM   #4
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Diagram for 3 way ceiling fan light switch


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What cable did you run between the double switch and the light? You need four wires + ground to make it work properly
I do not see the need for a 4th wire. He shows the neutral connected to the light and the hot extended to the far end switch common. Plus the 2 travelers.

The need for a 4th wire would only be to comply with NEC 2011 and have a neutral in the far end switch box.
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Old 11-19-2012, 08:30 AM   #5
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Diagram for 3 way ceiling fan light switch


most likely one of the travelers is miswired in rare ocasions its a faulty switch
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Old 11-19-2012, 08:39 AM   #6
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Diagram for 3 way ceiling fan light switch


If the push in 'back stab' holes were used---some times they don't line up with the colored screws---causing a miswired circuit
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Old 11-19-2012, 09:49 AM   #7
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Diagram for 3 way ceiling fan light switch


the diagram is correct...cannot say that about the wiring your location though.

The diagram below does not show ground wire for ease of drawing
Attached Thumbnails
Diagram for 3 way ceiling fan light switch-1-sw-lo-sw.jpg  
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Old 11-19-2012, 10:13 AM   #8
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Diagram for 3 way ceiling fan light switch


Quote:
Originally Posted by rjniles View Post
I do not see the need for a 4th wire. He shows the neutral connected to the light and the hot extended to the far end switch common. Plus the 2 travelers.

The need for a 4th wire would only be to comply with NEC 2011 and have a neutral in the far end switch box.
He has a second switch in the first box to control the fan. You need a fourth wire for that.


Quote:
One switch is a Cooper over/under Duplex switch with the top being a single pole switch that controls the fan and a 3-way switch on the bottom for the light.
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Old 11-19-2012, 10:19 AM   #9
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Diagram for 3 way ceiling fan light switch


Joed,

I assumed he was only showing us the wiring for the light. He did say "No problem with the fan switch".

Poster, did you run another cable for the supply to the fan?
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Old 11-23-2012, 07:36 AM   #10
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Diagram for 3 way ceiling fan light switch


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What cable did you run between the double switch and the light? You need four wires + ground to make it work properly
I ran 14/2 wire to the first switch, 14/3 to the fan and also to the second/regular trip switch.
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Old 11-23-2012, 07:38 AM   #11
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Diagram for 3 way ceiling fan light switch


Quote:
Originally Posted by RAUL HIDALGO View Post
most likely one of the travelers is miswired in rare ocasions its a faulty switch

Thanks!! I will check my wiring again (4TH OR 5TH TIME) and I may also replace the 3-way trip switch as advised.
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Old 11-23-2012, 07:40 AM   #12
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Diagram for 3 way ceiling fan light switch


Quote:
Originally Posted by rjniles View Post
The diagram you show is correct, if if doesn't work:

You wired differently than the diagram

Or

You have a bad switch.

Check the terminals on the 3 ways and be sure you have correctly id'd the commons.
I will completely go through my wiring of these switches and then swap out the last 3-way trip switch. I hope this works because I haven't been able to see the obvious.
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Old 11-23-2012, 07:44 AM   #13
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Diagram for 3 way ceiling fan light switch


Quote:
Originally Posted by rjniles View Post
Joed,

I assumed he was only showing us the wiring for the light. He did say "No problem with the fan switch".

Poster, did you run another cable for the supply to the fan?
Yes I ran a 14/2 wire from the top single pole switch to the fan black wire. As I stated, the fan works just as it is supposed to with the single pole switch.
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Old 11-23-2012, 07:45 AM   #14
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Diagram for 3 way ceiling fan light switch


Ok, lets get specific here...

You ran a 14/2 to the stacked switch.

You ran a 14/3 from the stacked switch to the fan box.

You ran a 14/3 from WHERE to the other switch box? This is the important information. If you ran this cable from the fan box to the 2nd switch box, then you will need another wire.
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Old 11-23-2012, 07:52 AM   #15
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Diagram for 3 way ceiling fan light switch


I see you added some information. Do us a favor...post a list of each cable you used from where to where for both switches.

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