this post was submitted on 24 Feb 2026
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xkcd #3211: Amperage

Title text:

Oh, and do you have any tips on how to vacuum up copper that's melted into your carpet?

Transcript:

Transcript will show once it’s been added to explainxkcd.com

Source: https://xkcd.com/3211/

explainxkcd for #3211

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[–] Bustedknuckles@lemmy.world 23 points 3 days ago* (last edited 3 days ago) (4 children)

Eh, ~zero impedance house circuits won't do anything bad to normal electronics - it'll just make sure no fires happen in your walls. I do almost all home wiring in 12 gauge and larger for this reason

Actually, the comic only has 500A breakers and don't say anything about wires. Recipe for fire!

[–] Hope@lemmy.world 23 points 3 days ago (2 children)

I think that's the joke, especially since the alt text asks about getting melted copper off the carpet.

[–] BillyClark@piefed.social 8 points 3 days ago

The comic is talking about the cords that come out of the outlet into the room melting and starting fires. The guy you responded to is talking about wires in the walls starting fires.

[–] Tja@programming.dev 5 points 3 days ago

Ah, the good old asbestos carpets. Cozy!

[–] Cort@lemmy.world 7 points 3 days ago

Yeah, I'm just imagining someone running multiple 0000 gauge (4 ought) cables in parallel to each outlet and switch, and then all back to the breaker box.

[–] WanderingThoughts@europe.pub 6 points 3 days ago

500 amps? That's no wiring, that's cabling.

[–] marcos@lemmy.world 2 points 3 days ago

Dude, the entire comic is about wires.