A trough type cable tray is a continuous rigid structure used to securely support insulated electrical cables and raceways. Unlike conduit systems, cable trays allow cables to be laid in bundles, improving accessibility, heat. Refers to the approximate width of a cable tray used for specifying. Selecting a specific height will. 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 rung spacing of 6 to 9 inches (150 to 230 mm) is preferable when the cable tray cont d for instrumentation and control applications that require. 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. Its unique design, featuring a solid bottom and side rails, makes it ideal for a wide range of applications, from industrial plants to.
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