re: single vs two phase

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Peter Lawrence by way of Terry Fritz <twftesla-at-qwest-dot-net>" <Peter.Lawrence-at-Sun-dot-com>

dwp,
    you are doing your arithmetic incorrectly. Voltage is also call "potential
difference" - because you difference, IE subtract, potentials to find voltage,
not "add" them as you did.

EG the voltage bewteen +110 and -110 is  +110  -  -110  = 220.

Peter Lawrence.

> 	In that case, how is 220VAC available?
> 	If one be '+' 110 and one be '-' 110, then the sum
> be zero.
> 
>   	best
> 	dwp