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I just bought a switch to control both fan speed and light control (dual switch) i hooked it up every thing worked fine. then to realize that the outlets that follow dont work. just as a clue on the layout of the switch. in the switch panel i have three wires coming in (black,white,ground) going out of the panel i have 4 wires (black,red,white,ground)i hooked up the switch with the hot wire and have two lines going out (one for light one for fan) tied the neutrals together and grounded the box. in the fan ceiling panel i have 4 wires coming in (red,black,white,ground) with 3 wires going out (black,white,ground) i proceeded to attach the red wire controlling the light to the wire in the fan controlling the light as well as the black wire going out to power additional items in the circuit, i attached the black coming in to the fans power line. tied all neutrals together and grounded the box. my one problem is and i know why the problem is happening is that when i turn on the dimmer for the light all other light and outlet that are on the circuit come on, when off nothing works. i need to know how to solve this problem. please help

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The key seems to be that you changed wiring in the ceiling box.

I suggest you make a drawing of the wires before and after. Track the route that the Hot wire takes.

The key question is this: Does Hot wire from breaker box arrive in the ceiling box first? Or does it arrive in wall box first?

I think Hot from breaker arrives in wall box first. And from there Hot wire goes to ceiling box ... and from ceiling box the hot wire goes to other plugs in room. If this is true, you will be one wire short for installing fan control switch.

I always make a drawing of existing wires before starting, so I can put it back the way it was. It sounds like you got a good handle on which wire goes where.

We used to solve the one-wire-short problem by making a simple project bigger. Figure out which direction ceiling joist run. See if you can slide fish line from fan ceiling box over to wall. If that works. Over at the wall, chop small hole in ceiling so you can feed wire up to fish line. Pull wire over to ceiling box. Next, staple other end of wire along ceiling over to location above wall box. Chop another small hole so you can feed wire down to wall box. And then install beautiful crown molding to hide the mess, and paint the room so you need new furniture.

Posted on Oct 03, 2010

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if it is a replacement, couldn't you just hook it up like the switch you are removing?

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