Ceiling Fixture / Switch Wiring


Old 10-21-06, 09:39 AM
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Join Date: May 2006
Location: USA
Posts: 78
Ceiling Fixture / Switch Wiring

Hi all

I'm busy replace a ceiling fan here in Chicagoland. Removed the old fixture to find the following supply in the ceiling outlet box:

Conduit 1: Red and White
Conduit 2: Red, White and Yellow (in Illinois, that's hot)

The whites and reds from 1 and 2 were joined and connected to the white and black wires of the fan, respectively. The yellow from 2 was connected to the light kit's blue wire.

I can copy those connections with the new fan, no problem.

Here's the question: Did the previous installer miss an opportunity to control light and fan by separate switches? (The old fan was wired so that the single wall switch could operate either the fan or the light, period.)

Here's what's in the wall switch box:

Incoming Hole 1 (upper left) is feeding red and white.
Hole 2 (upper right) is feeding red, white and yellow.
Hole 3 (center bottom) is feeding red and white.

Upper contact on switch is connected to Red 1 and Red 3.
Lower contact on switch is connected to Yellow 2.

White wires from 1 and 2 are connected by a wire nut and tucked into box, not connected to switch.

Well, question remains: Can I put a double switch at that box location and control the fan and the light kit separately, and if so, what connects to what? (I would use a duplex switch that fits into a "single" box.)

Thanks for your thoughts.


In the wall switch box, I found the following:
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Old 10-21-06, 10:57 AM
Join Date: Sep 2003
Location: Central New York State
Posts: 13,973
Well, you could do this. However, whatever is downstream from the ceiling box will also be switched. You probably don;t want that.

You can, however, add another wire to the conduit and then wire in switches for the fan and light separately.

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