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A comment on USB inventor explains why the connector was not designed to be reversible. Parent comment

Re:USB inventor explains why the connector was not designed ... by terr-dav on Monday October 09, 2023 @05:21PM (#37825675)
The girth of a power cable roughly scales with capacity though, and there are 3 common pin configurations

- 2 equal size blades

- 2 unequal size blades

- 3 unequal + ground pin

plus a fourth for 20A

- 1 vertical blade, 1 horizontal blade, 1 ground pin

USB-C cables have one form factor, which is what GP is talking about.

https://en.wikipedia.org/wiki/NEMA_connector

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