Mxslick: No breakers were installed to the left side of the AC breakers. The panel cover was intact and in place, and the knockouts were not disturbed. The thermostat was not the cause, that photo was just to confirm that the settings were in the off position. Cause appeared to be a flammable liquid spill. As my aunt used to say "it appeared to be Arsenic." It was still in the process of investigation at the time I left the scene.
