[Elecraft] KPA-500 110 or 220?

[Monty Shultes]

Actually it's "I-squared R drop", and a 1/2 reduction in current results in a 75% loss reduction.
Monty K2DLJ

On Aug 6, 2012, at 1:27 PM, Bob <WB4SON at gmail.com> wrote:

> Electric meters measure current consumption on both 120v legs when
> calculating total watt hour consumption.  So it matters not one bit if the
> loads are balanced or unbalanced from a billing point of view.  Rumors to
> the contrary are simply not correct.
> 
> The reason for running the amplifier at a higher voltage is that it will
> reduce the IR voltage drop.  Because the operating voltage has doubled, the
> required current has been cut in half.  Therefore the IR drop (loss in the
> wiring) has been cut in half.
> 
> 73, Bob, WB4SON
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