In most cases cable ladders are the preferred choice, however; cable trays are better suited when aesthetics and radio/electromagnetic interference are important considerations. Cable trays are also useful for protecting sensitive cabling and tubing. These rungs are spaced at regular intervals and provide a structure that resembles a ladder—hence the name. Alternative names include: cable runway and. However, the vertical cable tray is an equally critical component that forms the backbone of any multi-story building or modern data center. 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. Cable trays support insulated electrical cables in industrial and commercial settings. Each cable tray type performs a different function and comes in various materials such as aluminum. The cable tray types to choose from are ladder, ventilated trough, or solid bottom.
[PDF Version]