I know this doesn't mean diddly squat, but my sister worked for a manufacturer of airline wiring harnesses up until very recently, and when I asked about it, she mentioned that they were not interconnected or exposed to one another. I don't believe they did the really huge jets, but regional and private sized jet harnesses instead, so it could be different in that aspect also.

Can you provide a reputable source to prove that President Obama is not a disguised lizard alien? ☺ I mean the original article was so obviously nonsense on the face of it that no refutation should be necessary.