The bracket arm is specifically designed for the horizontal installation of cable trays against the wall. Made of steel, available in various protection systems. Available in widths from 100 to 1000. Cable trays are components used in the wiring of buildings to support insulated cables and organise them to be hidden from view. Since cable tray support is used in a wide variety of applications, and under varying conditions, it is important that you gain an understanding of. Kable Kontrol® Cable Tray Reinforced Wall Bracket is used for horizontal wall mounting.