this post was submitted on 01 Feb 2026
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Science Memes

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[–] Tattorack@lemmy.world -4 points 1 week ago (1 children)

That's why you don't have one thick copper cable but multiple thin ones.

[–] meekah@discuss.tchncs.de 16 points 1 week ago* (last edited 1 week ago) (1 children)

I'm far from an expert, but that's usually just for flexibility of the cable as far as I understand. Power wires inside the walls are one thick copper wire (or rather three for live, neutral and ground)

[–] ijustliketrains@lemmy.world 4 points 1 week ago

Correct, solid copper bus bars are also common in certain applications.