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Old 08-02-2011, 03:18 PM
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NickZ NickZ is offline
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Join Date: Mar 2010
Posts: 894
Joining two or more different metals always cause oxidation due to electrolysis of the connections. I see this all the time, as those plastic connectors are very commonly used here. He is using them in a different way, but there are still several metals involved, and insulators also, and air between them possibly helping to cause those strange effects.
The oxidation factor is not the point.
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