One fun fact I learned while at uni was that _technically_ referring to the ethernet connector as RJ45 is incorrect, and 8P8C would be the correct term [1]. But

One fun fact I learned while at uni was that _technically_ referring to the ethernet connector as RJ45 is incorrect, and 8P8C would be the correct term [1]. But obviously, these days everyone knows what RJ45 is, and almost no one knows what 8P8C is. [1]: https://en.wikipedia.org/wiki/Modular_connector#8P8C https://en.wikipedia.org/wiki/Modular_connector#8P8C