I'm no electrician but I believe these two sine waves would have to be
in phase in order for the 120 volt peaks from both to add to 240 volts.
If they were 180 degrees out they should exactly cancel each other and
always add to zero.
Chuck Norcutt
Jon Mitchell wrote:
Thanks Jim, that clarifies > a little.
>
> Sounds like you are saying that you have two 120v "legs" from the same
> phase. That makes sense - mixing phases is not pleasant if you don't know
> what you are doing.
>
> However, it sounds like the two 120v legs are 180 degrees out of phase ?
> That way, measuring between the two "hot" legs would give 240v ?
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