Thread: UPS question
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Old October 14, 2012, 09:47 AM
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NyteOwl NyteOwl is offline
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Join Date: Aug 2008
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Not all UPS output square wave to the items they power. While the raw inverter output is indeed a square wave, better units use shaping circuits to provide an almost sine wave output virtually all electrical appliances can handle. As with most things, you get what you pay for.
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