-=> Quoting Scott Christensen to Joe Nicholson <=-
 
 JN> Thus, the power companies use high voltage at low current in 
 JN> their transmission lines to reduce IR losses,
 SC> It's worse than "IR" - it's I SQUARED times R.  But you knew
 SC> this, right?
 For power loss, yes, but for the voltage drop across miles and
 miles and miles of transmission line, it's simply IR.
 It wouldn't be too advantageous to start out with 120 VAC at
 the Hoover Dam and wind up with a trickle of 2 or 3 VAC in
 Southern California after traveling across the desert.
 My error in saying IR "losses" instead of IR "drop".  The power
 "loss" is indeed I squared R.
 Since power in equals power out, it's best to have a high voltage
 and a low current, and reduce IR "drop" along the lines.
... fire.chief@warpgate.com
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