help with dimmer switch

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Old 09-29-08, 08:45 AM
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help with dimmer switch

I was about to replace a wall dimmer switch for a single light.

I opened the switch box and found a dimmer switch(didn't work for dimming),and found that the dimmer switch had a black wire,and two red wires. This is the only switch that controls this light.

The outlet box has black,white,and red wires

My question is: how do i connect the new single pole dimmer
that has just one black wire and a green ground?

Thanks
 
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Old 09-29-08, 10:37 AM
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Outlet box could mean either a receptacle or light fixture but I will assume you really mean a receptacle you have a lamp plugged into. A dimmer should never be used with a receptacle.
found that the dimmer switch had a black wire,and two red wires.
But what color wires come into the switch box and are any wire-nutted together?
 
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Old 09-29-08, 12:25 PM
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The light is a hardwired ceiling light,incandescent. The duplex wall outlet box has pairs of black,white,and red. The dimmer switch is mounted in the duplex box and controls just the ceiling light.
I have a single dimmer i'm trying to install.
 
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Old 09-29-08, 02:09 PM
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From Your Post It Sounds Like The Box Has Two Switches In It. And That These Switches Are 3way Switches. (can Turn On Or Off From Two Locations) Your Original Dimmer Was A 3way Type And You Must Replace With The Same. Are You Sure You Can Only Turn This Light On From One Location?
 
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Old 09-29-08, 03:43 PM
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The dimmer only services that ceiling light.
I was surpried that the box had these other wires.

This is a older home that probably has seen some renovations over the years. My thinking is that this dimmer switch is part of a daisy chain run.

I f i remember the wiring right, it had a three way dimmer
Wired as follows: black to black in box,one red wire to red wire in box, and the other red wire to a white wire in box. Does this sound reasonable?

Maybe i have to just install another 3 way?
 
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Old 09-30-08, 02:26 PM
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that might work, but if so this would mean that some switches might be buried. or were spliced through and then covered over. only way you can determine this is with a meter. you must determine which wire is live and which goes to the light. if there are wires buried this could get confusing. if you are set on doing this yourself i would suggest starting with a regular 3way switch. after hooking up the switch and making sure the light works you can then remove the switch and reinstall the dimmer. dimmers are really easy to short out. still i would address the missing or buried wire situation. and that could take a pro.
 
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Old 09-30-08, 03:31 PM
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Thanks. I'll check it out some more,and if i can't make any sense to it,I'll call a electrician.
 
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