On the Cabling tab, in the Cable Tray group, you can use the following tools. Before routing, consider the following guidelines: Cable tray lines are continuous, consisting of interconnected straight cable tray pieces and. The different types of cable trays include ladder, perforated, solid bottom, wire mesh and channel cable tray. They are open and easily accessible, unlike raceways and cable trunking. Cable trays are applicable in commercial buildings, industrial setups, infrastructure projects, and power plants. Cable trays are structural support systems designed to organize, protect, and route electrical cables in industrial and commercial environments. What is Cable Tray Systems? An electrical cable tray is a type of containment system used to support insulated electrical.