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Old 07-01-2012, 12:37 PM   #1
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Ceiling fixture: two red, two white, one black


Hi everyone,
I am working on installing a ceiling fan in a spot formerly occupied by a basic light fixture. I have replaced the box with one rated for holding a ceiling fan, and now it's time to figure out the wiring.

The fan has black, white, blue and green ground. I'm pretty clear on how it's supposed to go based on the manual, however, the wires in the ceiling are a bit confusing.

There are 2 sets of wires coming into the box:

- Red, white and black
and
- Red and white

I've searched around a number of places, but I can't seem to find a clear outline of what this configuration means. My guess is that red is hot, white is neutral and black is ground? But from everything I've read, it seems black is never supposed to be used for ground... Any input would be much appreciated.

I'm including a photo too.
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Old 07-01-2012, 12:39 PM   #2
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Ceiling fixture: two red, two white, one black


You are going to have to check for voltage on the wires. Typically, red is switched and black is hot, but it very well could be reversed in this situation.

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Old 07-01-2012, 02:03 PM   #3
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Ceiling fixture: two red, two white, one black


Thanks for the very good suggestion. I tested it, and it turns out it's set up with red as hot, and black as switchable (single wall switch).

Should I connect the incoming hot red straight to the outgoing red (bypassing the fan installation), and just use the black as a master power switch for the fan/light combo?
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Old 07-01-2012, 03:55 PM   #4
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Ceiling fixture: two red, two white, one black


Here is one suggestion:

Connect both reds together, along with the black wire from your fan.

Connect the black wire from the ceiling box to the blue wire from your fan.

All the whites together.

Green tail from the fan bonded to the metal box.

Under this scenario, your wall switch will control the light only, and the fan will depend on the pull-chain switch for on/off and speed selection. You can cut the chain short on the light kit if you choose this method.
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