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02-02-2018, 08:42 PM #1
Copper core with aluminum clad ??
Wiring in electrical panel in a 1950's home, copper core with aluminum clad. Is this type wire the same as solid aluminum (the bad stuff) ??
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02-02-2018, 08:51 PM #2
Re: Copper core with aluminum clad ??
That isn't aluminum clad copper, that is "tinned copper".
The copper reacted with the rubber insulation, so the copper wiring was "tinned" to keep the copper separate from the rubber.
Tinned copper was a great conductor, the issue now (meaning 'nowadays') is that the rubber insulation has likely dried out and is hard, brittle, cracked, and not much good anymore.
I would recommend that an electrical contractor verify the condition of the rubber insulation to make sure the insulation is still good.
http://www.ecmweb.com/test-amp-measu...stance-testing
http://www.chauvin-arnoux.com/sites/...s/D00VEC36.PDF
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02-02-2018, 10:28 PM #3
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02-03-2018, 07:51 AM #4
Re: Copper core with aluminum clad ??
What era was the copper clad aluminum? I don't think I've come across that one yet.
Jim Robinson
New Mexico, USA
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02-03-2018, 12:29 PM #5
Re: Copper core with aluminum clad ??
Department of Redundancy Department
Supreme Emperor of Hyperbole
http://www.FullCircleInspect.com/
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02-22-2018, 01:03 AM #6
Re: Copper core with aluminum clad ??
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