They can be installed horizontally, vertically, or at slight angles, and are compatible with cable tray accessories such as dividers, bends, and covers for customized cable routing. ystems support and route all types of cables. Depending on the type and version of mesh cable tray, as well as the corrosion protection used, the mesh cable tray systems can be mbient temperatures of - 20 °C to + 120 °C. At temperatures below - 20 °C, the material will be any other purpose than. When designing or installing cable trays in a building, one of the key factors to consider is the safety distance between cable trays and other systems, such as ventilation or drainage. It's not just about ensuring space for each system; the right safety distance is essential for preventing. en completely installed, without damage either to conductors or structural system use maintain spacing or to keep cables in place when the tray is ect the minimum bend ra-dius for cables as they exit the bottom of the cable tray. A plastic cable tie must be used to secure the cables within the cable tray. Due to the large span capabilities of this DEFEM system, fewer brackets, rods and. To ensure that the complete ladder tray wiring system performs as designed, it is important that it is properly installed. Qualified field personnel working to a.