this post was submitted on 27 Sep 2025
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Confidently Incorrect

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When people are way too smug about their wrong answer.

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cross-posted from: https://lemmy.nz/post/28693796

Check the comments of the original post for the stupidity.

For those of you without an electrical background, the diagram shows the protective earth connected directly to phase, with phase and neutral also joined.

Correctly wired, this would be a three pin plug, with the earth wire connected to the earth pin in the plug, with the other end connected to the metal casing of the appliance. This is a critical safety feature, which will cause the circuit protection to trip in the event a phase wire contacts the metal of whatever this is connected to.

If this was actually done, the most likely outcome is it would trip a circuit breaker, but if the neutral was broken, it would connect phase directly to the casing, and likely electrocute someone.

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[–] balsoft@lemmy.ml 22 points 5 days ago (7 children)

If this was actually done, the most likely outcome is it would trip a circuit breaker

Or explode the plug in someone's hand, depending on the circuit breaker and the wire gauge

[–] HejMedDig 8 points 5 days ago (1 children)

If done that way, it wouldn't even fit into a socket. Prongs are rotated 90°

[–] balsoft@lemmy.ml 3 points 5 days ago

Huh, yeah, you are right. I'm not from the US so it didn't immediately jump out at me

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