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Re: IS 240VAC two-phase - NO
Original poster: BunnyKiller <bunikllr-at-bellsouth-dot-net>
Tesla list wrote:
>Original poster: dhmccauley-at-spacecatlighting-dot-com
>240VAC is correctly denoted as SPLIT single phase. It is NOT two phase.
>It is simply a centertapped, 240VAC single phase line from a single phase
>Two phase denotes a phase angle difference of 180 degrees. The sum of all
>phases in any system must always equal 360 degrees. The standard home
>electrical system in the US is two phase, 180 degree difference( two times
>180 equals 360). Each phase is 125 volts RMS to neutral, and 250 volts RMS
>from phase to phase.
when testing the house wiring with my O-scope .. the 120V shows a single
sine wave ... when testing the 240 system it shows 2 sine waves ( had to
use both leads)
so how does a single phase get "split" via a center tap transformer to
produce the opposed phases ???