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exploreparadise2

How far back for aluminum?

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Tax records indicate the house was constructed in 1965. I found two aluminum 15-amp circuits in the panel. The conductors are Romex and appear to be original. I wasn't expecting to see this in a house of this vintage.

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If there are only 2, they are likely additional circuits added later. Although, "mid 1960s" is when aluminum wire, small enough for house wiring, started to be manufactured.

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Tax records indicate the house was constructed in 1965. I found two aluminum 15-amp circuits in the panel. The conductors are Romex and appear to be original. I wasn't expecting to see this in a house of this vintage.

I see aluminum cables from the late '60s fairly often. 1965 would be a bit early, but I'd find it believable.

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I have found Al wiring in older, like 40's, houses, where circuits were obviously added.

But it is interesting that the cable on the left appears to be copper but has the same jacket material as the two aluminum cables.

There is a possibility that times were tough and it took a few years to completely wire all the rooms.

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I had a place recently that was inspected for final occupancy in 1960, but it had an electrical inspection in 1957. I think the builder got the panel installed and then spent 3 years finishing the house.

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Just to throw in another option...is it possible that those rag wrapped cables are tinned copper and not aluminum? All the solid Al I've seen, as well as photos online, had plastic cable covering. Did they make a rag wrap solid aluminum cable?

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