WA sure does seem to take the black art of cable manufacture seriously. When they read the Cat 6 specification, they knew they couldn’t just keep building the cables the way they used to.

Following are the categories for telephone and Ethernet cables, which are abbreviated "Cat." For HDMI video cables, see HDMI cable types. Cat1 and Cat2 are unofficial voice grade standards ...

This is why various standards of cables are available, suitable for different requirements ranging from home use to high-speed data server applications. Category or “CAT” cables are ...