this post was submitted on 07 Mar 2025
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Also, the overwhelming majority of USB plugs have the logo on the side away from the plastic bit, and sockets have their plastic bits towards the top of the device. You want the plastic bits on opposite sides (as physical objects don't like to overlap), so that means that if you can feel the logo with your thumb, that side goes up when you plug it in, and you don't even have to look.
Amazing! I need to check how many of my cables actually follow this rule.
Also, the socket side tends to be aligned in a particular way, but it won't work with all manufacturers. I recall seeing some laptops that had their USB-A sockets upside down. Oh, and desktops too! Those sockets are usually vertical, and facing a wall, so it's anyone's guess which way is right.
Towards the back of the machine normally counts as up for upwards-facing sockets, unless it's a case with feet on the side, in which case it'll be away from those feet so the sockets would be the right way up if it were sideways and on the alternative feet.