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Unread 02-12-2004, 04:40 PM   #12
redleader
Thermophile
 
Join Date: Jun 2001
Location: The deserts of Tucson, Az
Posts: 1,264
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Read this for a detailed explination:

http://episteme.arstechnica.com/eve/...m=987000222631

(Particularly JimZ's link which explains everything from fan motors to dimmer switches)
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