The cable support lengths and fittings can basically be designed as cable trays, cable ladders or mesh cable trays, in which cables are routed. According to DIN EN 61537, a cable support system is used to support and house cables. The system allows the use of electrical resources in electrical installations and/ or in communication systems. The. cal devices or other equipment. It is available with a ventilated or solid bottom. Channel tray can protect against electromagnetic inte, is a welded wire-mesh cable management system made of high-strength steel wire. Each cable tray type performs a different function and comes in various materials such as aluminum, galvanized steel, and FRP.