this post was submitted on 26 Dec 2024
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348
I never knew that USB-C extensions are not allowed for a reason (www.youtube.com)
submitted 1 week ago by [email protected] to c/technology
135 comments fedilink hide all child comments
 

There is a reason for USB-C extensions not to be part of the standard. They can be bothersome in the best case and dangerous in the worst.

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[โ€“] [email protected] 6 points 1 week ago (1 children)

That's just rephrasing what I said. You can plug in too much for a single extension cord even if there's no chaining. A chain "just" increase the risk.

[โ€“] Blue_Morpho 6 points 1 week ago

Yes but I was emphasizing the parallels to the USB c problem.

In USBC if you use a 200 watt cable that has 200 watts going through it and then extend it with a 15 watt USB c cable, the 15 watt cable will over heat.

If you plug a 30 amp load into a 30 amp cable and then extend it with a 15 amp extension cord, you will get overheating on the 15 amp extension.