this post was submitted on 10 Aug 2023
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Showerthoughts

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Why shouldn't electric plugs screw in? (programming.dev)
submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/showerthoughts
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I just watched a TikTok about how people used to plug in things to their light sockets when electricity was first becoming popular. And they kept calling the plug a light socket, what rule says it's not a plug that screws in? And why shouldn't plugs screw in? We have material science to make plugs and cables hard enough that if you kick the wire it still doesn't come out. Electrical connections should be more secure. That's all I'm saying.

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[–] Salad_Fries 6 points 1 year ago (1 children)

They do make twist in plugs…

Your standard (north american) plug is a NEMA 5-20R.. the twist in (locking) variant is NEMA L5-20R.

I see locking plugs most commonly used in applications where the cord may have a bit more force to it.. example: a ceiling mounted receptacle serving movable furniture/equipment.

Theyre not used for standard domestic applications for all the reasons other userd indicated in this thread.

[–] dondelelcaro 2 points 1 year ago

They also make NEMA plugs with threaded rings around the boot for applications in marine and other harsh environments.