trunking

All the electrical and communications cables bundled together and distributed through a building.

(business) The movement of containers or packages between a terminal and a transporter's inland facilities, or the scheduled transportation service between locations.

(UK) A system of ducts for cables, heating or ventilation.

(UK) Plastic conduit or duct used to conceal and protect electrical wiring.

A two-way radio technique that uses a control channel to automatically assign frequency channels to groups of user radios.