On 11/17/2013 08:42 PM, Danny D'Amico wrote:
Here is a picture of the incoming wires to my main circuit breaker:
http://farm3.staticflickr.com/2886/1...21cf1404_o.gif

If we follow those three wires*back* to the nearest transformer, what
do they look like (in terms of phase relationship to each other)?

180 out of phase aka 2-phase or split-phase.