Hmmm, OK. If the reds are power then they are way, way too small AND are following the same path as your speaker wires. That is bad.

Document everything; even your conversations here. You should write a letter to the BBB if you haven't already too, and let these people know you are serious. There's no excuse for such shoddy work.
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ChuckH
"Every morning when I wake up I know it's not going to get any better 'til I go back to sleep again!" Al Bundy