Ceiling light wiring


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Old 07-22-16, 08:17 AM
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Ceiling light wiring

I am replacing an existing flushmount ceiling light with a comprable LED fixture. Both are dimmable. When I removed the old fixture, I noticed there were 3 sets of wires in the connector box - 2 white, 2 black and 2 red(+ the ground wire). Both white wires were connected to the old light, 1 of the red and neither black (they were wired together and capped). Not sure if I should just replicate what had been done - had not seen red wires before. Name:  20160722_085242.jpg
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Old 07-22-16, 08:46 AM
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Generally you would just replicate the way it was wired previously. You may have red wires for several reasons....three way switches or a multiwire branch circuit are two possibilities.

If the light was on a dimmer before, you may need to swap out the dimmer with one compatible with dimmable LEDs, but you can try the existing dimmer first (if there is one).
 
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Old 07-22-16, 09:04 AM
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Reds can be used as a separately switched hot, while the black is a constant hot.

Just wire like the old fixture.
 
 

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