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Old 02-17-2009, 03:21 PM   #1
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wiring new ceiling fan


where no overhead light exists, net new install. I have one wall switch that powers an outlet in the room. I am comfortable cutting drywall, installing supports and junction box for the fan. I want to know how to wire fan and light to the existing wall switch with seperate controls for light and fan. Thanks in advance,
brian

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Old 02-17-2009, 03:28 PM   #2
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wiring new ceiling fan


I just drill a hole in the top plate above the switch, drop a 14/3 or 12/3(whatever existing wire is) tear out existing single gang box and install double gang old work box.

Also, check in the switch box and see how it's wired in there, may need a slight modification.

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Old 02-17-2009, 03:39 PM   #3
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wiring new ceiling fan


The way I do it.


Open the switch box. If there are only two wires (one cable) in it, you will have to go to plan B.

Plan A.

Turn off power and test it (rookies)
Remove the existing single gang switch box.
Cut the opening to allow for a three gang box.
Run a 3 wire cable from switch box to ceiling box.
Use the same gauge wire that is in the existing circuit, probably #14
Put wire in and screw 3 gang box to the stud.
All whites together.
All grounds together with 3 pigtails (if plastic box).
3 pigtails from black/hot to power the 3 switches.
Black=fan, red =fan light, existing switch leg on 3rd switch.

You now have you existing 1/2 switched recep and a separate switch for the fan and fanlight.

Plan B

Turn off power and test it (rookies)
Remove the existing single gang switch box.
Cut the opening to allow for a two gang box.

Take apart existing switched recep, tie all blacks together, tie all whires together, install a new recep or install a jumper between the brass screws where the tab was broken out.

Run a 3 wire cable from switch box to ceiling box.
Put wire in and screw 2 gang box to the stud.
All whites together.
All grounds together with 3 pigtails (if plastic box).
2 pigtails from black/hot to power the 2 switches.
Black=fan, red =fan light,

In this case, the existing switched recep is eliminated.

Last edited by 220/221; 02-17-2009 at 03:44 PM.
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Old 02-17-2009, 04:16 PM   #4
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wiring new ceiling fan


Thanks for the quick replies! I don't understand the implication of 1/2 switched receptacle? Does this mean that only part of the receptacle controlled by the wall switch is operative? Anyway, thanks for the help.
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Old 02-17-2009, 04:19 PM   #5
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wiring new ceiling fan


Typically, only 1/2 of the recep is switched.
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