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I never knew that USB-C extensions are not allowed for a reason
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this post was submitted on 26 Dec 2024
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what if I don't know that either
It all depends on current draw vs wire size over distance.
No, that's not the reason at all. The actual reason is a phenomenon called "loop impedance", which increases exponentially with each additional plug connection you chain together, regardless of the wire guage and distance of the extension
Too high loop impedance can cause your RCD to no longer trigger if you accidentally touch an exposed live connection, which is a major electrocution risk