What is a CAT 6 Horizontal cable? Think of it as a subway going 100 mph, connecting your town to all other towns in the area. Actually, it's an optimal performance cable used on a Local Area Network (LAN) and it internally connects the network outlet to the patch panel.??This cable exceeds the latest release of the CAT 6 draft, and it is ideal for networks of Gigabit Ethernet or above. This cable consists of 8 solid 23 AWG wires and a separator to separate 4 pairs.