Installing Ceiling Light Fixture and Found Aluminum Wires

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Old 01-12-19, 09:33 PM
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Installing Ceiling Light Fixture and Found Aluminum Wires

I didn't know any better and installed the fixture. When I turned the power back on and flipped the switch I got nothing (I ran back to the breaker and removed the fixture as quick as I could; electric makes me queasy).

One of the wires is stranded, the other solid. I stripped down the stranded and then went to the solid and noticed heavy oxidation--thought I better look this up, and oh boy.

Anyway, the house was built in 1941 and I know the main wiring is copper. Kitchen and bath have been fully rewired circa 1990s. Inside the box I can see old twist connections, so my guess is that these aluminum wires were just used to jump the box wires some time in the mid 1960s, or just done at some point by a cheap arse.

Should I have an electrician come sort this out?

Is it possible that the copper to aluminum connection on the old light fixture remained stable for decades?

Any thoughts or suggestions are appreciated.
 
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Old 01-12-19, 10:11 PM
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Look closely as it may be tinned copper.
 
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Old 01-12-19, 10:43 PM
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Yeah I just came across that.

https://www.youtube.com/watch?v=wQd2JJ2XA20

^ I think that's what I've got. Always learning something. Thanks.
 
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