These are the most corrosion-resistant tray systems we offer for routing cable and hose in configurations such as curves, slopes, and tees. Cut, bend, and connect the wire mesh trays. They offer an alternative to open wiring or electrical conduit systems and are necessary for cable management in commercial and industrial construction, as well as. Cable trays are components used in the wiring of buildings to support insulated cables and organise them to be hidden from view. Cable Tray Accessories Overview: Cable tray accessories are essential components that complement the main cable tray system. The maximum weight capacity is based on mounting brackets spaced every 6 feet.