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Old 01-06-2009, 12:14 PM   #1
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Old wire, what is it?


Hello;
I am doing a little rewiring of the old BX in my home, and cutting this old wire, it looks like aluminum, but feels like copper when bent.
I cut off a bit, and scraped it down to see what is below the aluminum color on the surface, and found copper.

This wire is cloth covered rubber insulation. Is this zinc plated, tinned, or what?

Thanks

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Old 01-06-2009, 12:22 PM   #2
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Old wire, what is it?


I've seen the old copper that looks like aluminum.

I'm not a rocket scientist, I don't know what the reason is.

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Old 01-06-2009, 12:52 PM   #3
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Old wire, what is it?


Most old rubber covered wires are tinned with solder because the sulfur used in the rubber making process would corrode the bare copper easily. If I remember correctly, it was is only a problem during manufacture.

Best I have.
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Old 01-06-2009, 02:14 PM   #4
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Old wire, what is it?


Quote:
Originally Posted by junkcollector View Post
Most old rubber covered wires are tinned with solder because the sulfur used in the rubber making process would corrode the bare copper easily. If I remember correctly, it was is only a problem during manufacture.

Best I have.
Thanks for the reply;
Solder makes a lot of sense, since it doesn't tarnish, and is a good conductor of electricity, as well as a good buffer as you indicated.
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