What is Cable tray?
[[File:OrganizedElectricalWiring.jpg|thumb|Cable tray on the ceiling of a shop]] A '''cable tray''' is a [[system]] to put [[Insulator (electricity)|insulated]] [[cable]]s and other [[Electrical wiring|wiring]] (communication, network etc.) in [[building]] structures, such as in [[office]] buildings, [[Residential area|residential]], [[industry|industries]] etc. A cable tray system gives easy access. This is useful when adding new cables or replacing the old cables on the tray. Cable trays can be made out of [[Galvanizing|galvanized]] [[steel]], [[stainless steel]], [[aluminum]] or [[plastic]]. The choice depends on how it will be used or where it will be placed. [[Category:Electricity]] {{sci-stub}}