The answer is simple: different cable characteristics and installation environments demand different tray designs. Cable weight, heat generation, bend radius, environmental exposure, and maintenance access all directly influence which. There are several types of cable trays, including ladder, perforated, solid bottom, basket, and channel trays. Each cable tray type performs a different function and comes in various materials such as aluminum, galvanized steel, and FRP. What is Cable Tray? A cable tray is a unit, or set of units. An electrical cable tray is a type of containment system used to support insulated electrical cables for power distribution, control, and communication. A cable. 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.
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