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Unread 10-07-2004, 09:47 PM   #16
greenman100
Cooling Savant
 
Join Date: Jun 2004
Location: Florida
Posts: 414
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Quote:
Originally Posted by DrMemory
Ceiling fan motors do not use different voltages to change speed. They use specially designed AC motors that allow only 2 - 4 running speeds. These running speeds are all related to the frequency of the AC voltage.

...true, but there are variable fan controlers
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