different between cabletray vs trunking

English

trunk +? -ing

trunking (countable and uncountable, plural trunkings)

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.
Synonym: linehaul
(Britain) A system of ducts for cables, heating or ventilation.
(Britain) Plastic conduit or duct used to conceal and protect electrical wiring.

(UK: conduit used to conceal and protect wiring): conduit, raceway, cable tray, wire molding, wire mold

trunking

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