Definitions for "Horizontal Cabling"
The cabling between the outlet and the telecommunications cross-connect (usually the telecommunications closet).
The portion of telecommunications cabling that provides connectivity between the horizontal cross-connect and the work-area telecom­munications outlet. The horizontal cabling consists of transmission media, the outlet, the terminations of the horizontal cables, and horizontal cross-connect.
The structured cabling which connects the wall sockets to the network cabinet or wiring closet.