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Roosterrusek 08-27-2011 12:43 PM
Fan switch question....
 
Yo, I have and attic fan, it has an Off - Low - High switch that is going bad. Any reason I cannot get a dimmer switch and put it on there?

imcarthur 08-27-2011 12:52 PM
No. Light dimmers vary the voltage which won't work with a motor. You need a proper fan switch to vary the speed.

Ian

Roosterrusek 08-27-2011 01:03 PM
Quote:
Originally Posted by imcarthur (Post 6221378)
No. Light dimmers vary the voltage which won't work with a motor. You need a proper fan switch to vary the speed.

Ian
Gotcha...makes sense. Thanks

968rz 08-27-2011 01:21 PM
+1 on Ian's comment. A normal light dimmer will hum very loud and get hot. Buy a heavy duty 3 speed fan switch.

rick-l 08-27-2011 01:25 PM
Need more info. It sounds like you have a (fairly big) fractional horsepower motor that now has 3 wires going to it. That type of switch should not be very expensive.

Bob Kontak 08-27-2011 03:17 PM
Quote:
Originally Posted by Roosterrusek (Post 6221358)
Any reason I cannot get a dimmer switch and put it on there?
Tried that back in the 1970's on a Garrard turntable that played too fast. No dice.


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