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Originally Posted by scrot
Doc  is rolling over in his grave now. 
The light dimmer for an AC circuit is a lot more complicated than a rheostat. Ever heard of an S.C.R., silicon controlled rectifier? 
It clips off part of the AC sine wave to reduce the power.
Doc , we need you back! |
I guess they come in different types- the el cheapo I have here sure looks like a rheostat inside, I very well could be wrong but there is nothing in it resembling any kind of circuit. There is a round device on the back of the switch that looks to me like a common rheostat but I could be wrong and maybe the circuit is inside
I will break open that little plastic case and see what is in it, got my curiosity up now.