Yes this is very true. I guess bare overhead lines are a little different

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wrote in message ...
And although the copper may survive, the insulation very well may not.

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On Thu, 11 Aug 2011 20:47:41 -0400, "Josepi"
wrote:
Copper takes 100% overload for a long time. In power distribution systems
hours..it can glow read hot and still survive just fine.

Aluminum is a different beast.