As their name implies, these trays resemble ladders. Its structure consists of two longitudinal side rails connected by individual cross members. Perforated rungs on a ladder-type tray securely fasten cables using cable ties. What type of cable tray should be used for the main runs of a cable tray wiring system? The cable tray types to choose from are ladder, ventilated trough, or solid bottom. Each cable tray type performs a different function and comes in various materials such as aluminum, galvanized steel, and FRP. From an. Selecting the right type of tray is critical for performance and safety. Its open structure provides excellent cable ventilation, making it ideal for supporting large power cables in heavy industrial applications with. Cable tray (or cable ladder) systems are a popular alternative to electrical conduit systems, as they have an outstanding record for dependable service, design flexibility and cost savings in commercial and industrial applications. A properly designed and installed cable tray system will provide. ABB manufacturers a comprehensive range of cable tray systems and solutions including cable ladder, perforated tray, channel tray and metal framing (strut).
