On Sat, 16 Nov 2013 09:54:39 -0700, Tony Hwang
wrote:

wrote:
On Sat, 16 Nov 2013 01:17:23 -0500, Wes Groleau
wrote:

On 11-15-2013, 19:58, wrote:
180 degrees, but technically, no. It's opposite sign, not 180 degrees
out of phase.

Same thing

No, it's not. It's one phase.

Hi,
It's called bi-phase. aka Edison circuit.

Wrong. It's called "split-phase". ...because that's *exactly* what
it is. Two-phase is something entirely different (and quite rare).