Line voltage

[Dave Edwards]

OK
-----Original Message-----
From: Murray <multi-volti at SOFTHOUSE.COM>
To: HEATH at LISTSERV.TEMPE.GOV <HEATH at LISTSERV.TEMPE.GOV>
Date: Monday, April 05, 1999 10:27 PM
Subject: Line voltage


>I never understood where 117 came from, or 110. In school, they tried to
>convince us that 120 'naturally' comes from line-to-ground in a 208 3-phase
>system, the God-given 'natural' source of power. I was a little hesitant,
>but I did understand the trig relationship that explained it. (120 degrees
>phase difference between 3-phase 'lines') We don't have 3-phase in our
>residential neighborhood.
>
>Murray
>
>Murray
>
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