Cable sag results from incorrect spacing of cable tray supports or from employing the incorrect tray type that is, light-duty perforated trays in high-load applications. Complicating the problem are overloaded trays and large unsupported spans. It is really important in: Despite these benefits, cable management is sometimes disregarded during design or installation stages, which results in many issues that could have been readily prevented with suitable. Cable Tray Support Span: The distance between supports is a critical calculation. The cable tray support span must be determined based on the manufacturer's load capacity chart and the total anticipated weight of the cables. Support Methods: Common support methods include trapeze hangers, which are. Have you ever worried about nicking a cable during cable tray installation? It's a common concern, and for good reason! Damaged cables can lead to all sorts of problems, from power outages to safety hazards. That's why knowing how to avoid damaging cables during this process is so important. From improper bonding that compromises electrical safety to missing expansion joints that lead to system damage, these common mistakes cost. Cable tray systems are often considered straightforward to install. Simple oversights like too much load or.