Cat6 Ethernet cables of the 1 foot length are typically used in server/network rooms for plugging between patch panels. This is not to say one cannot use them for other purposes such as connecting a Cable or DSL modem to a router/switch in the home or office.Cat6 cables are used for networking, data transfer, and phone lines. Cat6 Cable is used in network applications and has been designed specifically for Gigabit Ethernet applications. They perform at high-data transfer rates, and work with ATM and gigabit speed products.