Cable trays is a part of cable managing systems which are used to install electric cables systematically used for power distribution and communication. Cable trays covers open wiring or electrical conduit systems, and are commonly used for cable management in commercial and industrial construction. Cable trays are made up of galvanized steel sheets, and Hot dip galvanised steel & Aluminium. Different types of Cable trays are used for different applications A deep, solid enclosure for cables is called cable channel or cable trough. Perforated Cable Trays allows air ventilation & heat generates by the cables to pass through perforated holes.