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In order to carry the USB logo, chargers/cables/connectors/etc must pass a suite of compliance testing to get certification. Specifically for USB-C, you can fin

In order to carry the USB logo, chargers/cables/connectors/etc must pass a suite of compliance testing to get certification. Specifically for USB-C, you can find details of the USB Power Delivery 2.0/3.0 Compliance Plans at https://www.usb.org/usbc https://www.usb.org/usbc. This of course does not stop cheap knock-offs being made without proper compliance testing. I think as long as these hacks stay in 'prototype' mode, and is clearly called out as such, then it is fine. Once it goes beyond that (ie for sale without proper testing, etc), then it gets worrisome.

gambiting 6y ago
Nintendo Switch has the official USB-C logo on the box and it's not compliant, in fact plugging in the "wrong"(but also USB-C compliant) charger can break the device.
- Dylan16807 6y ago
  The only chargers to break the switch were putting 9 volts on a low voltage data wire. Definitely not compliant. The switch has a couple issues with how it requests power but they're minor and mostly on the dock rather than the actual console.