replacing dimmer switch

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Old 12-07-09, 01:49 PM
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replacing dimmer switch

I am replacing an old dimmer switch with a new one. single pole switch in the middle of a curcuit. the 2 whites are joined together as are the grounding wires. I have attached one black to the red screw of the switch and the other black to the black screw, yet The light wil not turn on. there is power to the switch, because the led brightness display lights are on. Does it matter which black wire is attached to red screw(line or load)? Is it possible the switch is just faulty?

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Old 12-07-09, 02:35 PM
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Originally Posted by meeker93 View Post
Does it matter which black wire is attached to red screw(line or load)?
Usually no, but swapping them can't hurt. If the instructions don't indicate that it matters, then it probably doesn't.

Is it possible the switch is just faulty?
Yes. It also might be a problem if your lamps are something other than incandescent or halogen. Low voltage, fluorescent, LED and compact fluorescent usually require special dimmers or special lamps.
 
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