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Old 07-05-2010, 05:38 PM   #1
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Wiring for Ceiling Fan

My home is over 50 years old. I need to replace the ceiling fan in a bedroom. When I removed the old fan, the wiring is one white, one black, and a white and black twisted together. The light was controlled by a wall switch, while the fan was controlled by the pull chain. I want to keep the wiring as is, but don't know how to hook up the wires from the fan to the existing wiring. There is also no grounding wire - old system. Any information would be greatly appreciated!


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Old 07-05-2010, 06:09 PM   #2
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The black and the white that are twisted together, are they from seperate cables? If so, then it is likely that the black is the hot and the white is hot going to the wall switch. The black coming back from that wall switch is hot only when the switch is on.

If you can verify this much is true, then connect as follows.

New ceiling fans black (controls the fan) to the black and white which are twisted together (fan is thus always hot and controlled by the fan pull string). New ceiling fans red (or blue) to the other black wire, and the ceiling fan's white to the other white wire.


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Old 07-05-2010, 06:11 PM   #3
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The black connected to the white is part of a switch loop and is a constant hot. The black from the fan would connect to these.

Blue or black with white stripe to black. White to white.

Your box should be changed to one that is rated for fan support if it is the sole support for the fan.
Answers based on the National Electrical Code. Local amendments may apply. Check with your local building officials.
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Old 07-05-2010, 08:07 PM   #4
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Wiring for ceiling fan

My thanks to both of you for your responses! That clears up my confusion! Can't wait to get it up and running!
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