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Re: I have installed a ceiling fan and have run the...
A switch has the same affect as cutting a wire. One end goes to a breaker in the power panel the other to the load terminal on the fan.
With out the cut the fan runs continuously. the switch, as you know turns it on or off. Normally the fan has three wires, black white and green Black goes to power through the switch. White goes to the neutral buss in the panel. green to the ground buss in the panel. If you run black to white and white to black the fan won't know the difference unless you have one with a remote and a printed circuit board
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Trust Me ...I am an electrician. There is no way (legally) to do what you want to do with the wiring that exists. One of two things can happen at this point...1) rewire the switch leg with 3 wire cable (Type NM-B aka Romex with 3 conductors + ground). This involves some skill and maybe some drywall repair. OR 2) buy a remote control for your ceiling fan. They sell them at most home improvement stores, and they install fairly easily in the motor housing of your ceiling fan. The transmitter runs off of batteries, and doesn't require special wiring to operate. Your wall switch will have to remain ON for you to operate, but the remote can handle the rest, like dimming your lights and fan speed control. Good luck!
BEFORE YOU PERFORM ANY CONNECTIONS BE SURE THAT THE CORRECT CIRCUIT BREAKER FOR THE BOX HAS BEEN TURNED OFF! You must check for voltage between the white and black wires at the ceiling box with each of your two wall switches toggled up or down ONE AT A TIME! The green wire in the ceiling box (or bare copper wire) is your ground wire and should be connected to the green wire of the fan, and also should be mechanically connected to the electrical box by a screw or clip. If your system was wired correctly you should find that it already is connected to the box. The white wire in the ceiling box is your neutral wire, so any and all white wires from the fan should be connected to it. You may have one for the fan motor and one for the light kit if there are two separate whites from the fan. Again, they may already be connected together in the fan/light assembly. The black wire in the ceiling box is switched on and off from either of the two switches in the room, which I assume are located near two different doors to the room. These are called "three-way switches". They are not marked "on" and "off" on the toggle like any single-light switches in your home. That is why you must check for power at the ceiling box with the switches in each position one at a time to make sure that the circuit is de-energized. Now for the connections: You will need to connect both the red and black wires from the fan to the black wire from the electrical box. The black wire in your ceiling box is your "hot" wire and will provide power to both the fan motor (black wire) and to the light through the red wire--(sometimes this wire is blue, for others who are following this post). With this arrangement, your fan and light will only operate with one or the other of your three-way switches completing the circuit from your breaker box. You will have to use the pull chains on the fan to control the fan and lights. So you will probably want to leave the light "pulled on" so that you can control the room lighting from either of your three-way switches, and operate your fan speeds from the pull chain. However, if you want your fan only on at night you will have to "pull off" the fan's light switch. You may find all this switch flipping and chain pulling an inconvenience. If so, hire an electrician to install wiring so that the ceiling box will be "hot" all the time to the fan's black wire and the fan will therefore be operated by the pull chain only, and the light kit will be controlled by either of the three way switches, via the fan's red (or blue) wire. One other caveat before you begin: you must make sure that the ceiling box is rated for and mounted sturdily so that it will support the weight of the fan and light kit. Many ceiling boxes are designed and mounted to support only a light-weight fixture. You don't want your fan to come crashing down from the ceiling!
For starters, look at the wall switch. Are there two switches? If so, connect the black wire from the ceiling box to the black wire from the fan. Connect the red wire from the ceiling box to the blue wire from the fan. Connect white to white. At the fan, usually the black wire goes to the fan and the blue wire goes the the light.
If there is only one wall switch, you may or may not want to install a double switch so the fan and light can be controlled separately. If there is only one wall switch, most people just connect the wire connected to that switch (usually the black) to both the black and blue from the fan, not using the red at all. In that scenario both the light and the fan are switch at the fan as needed after the wall switch is operated.
Installing the extra red wire is not usual practice, someone actually was planning for future use and convenience.
When you only have two wires in the ceiling , that means that you have only one switch for this fan. The green connects to all green and bare wires and to the mounting bracket .. the white to white .. and the ceiling black connects to the fan black and blue wires .. In this installation the fan and light can be controlled independently with the pull chains
In order to have indipendent control at the wall you would need two switches and another wire going from the switch to the fan/light
If you have only one black and one white in the ceiling to connect the fan / light to , then you have only one switch for this ceiling box. The fan / light will connect the white wires together and then the two colored wires on the fan to the black ceiling wire. In order to use separate switches for the fan and the lighht a 4 wire cable must go from the switches to the light so you have a red and black wire to switch the two separately .
you may have two dedicated ceiling fan circuits coming out of that box, check to make sure theres not a black wire bunched up in the ceiling or cut off, or try this
1.white to white wires, and black wire and black with a white stripe to red wire out of ceiling for fan and light together operation
2. If you can find the black and the red and the white coming out of the ceiling then you may have two switches on the wall for that fan, red for black fan wire, black with white stripe for the to black out of the ceiling , white all together. try that combination
for separate light and fan control from the wall
One black wire on the switch hooked to the black sources wire. The other black wire on the switch hooked black up to the fan. The green on the switch wire goes to the bare wire. If there is bare wire you can use the white wire.
You need two switches. It sounds like the Electrician set up the junction box for two circuits(Lights and Fans). i say this because your supply has 4 wires, Red , Black, White and Bare. We may be able to oversome this with one Lutron Switch. Allow me to investigate, and I will be back.