Solid bottom steel cable trays with solid covers and wrap around cover clamps can be used to provide EMI/RFI shielding protection for sensitive circuits. When properly selected and installed, cable trays simplify routing, improve accessibility, and support future expansion while. Is your cable tray system optimized for safety, dependability, space and cost savings? 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. A cable rack, often professionally referred to as a cable tray or cable ladder, is the foundational support system for routing and managing power and data cables in industrial, commercial, and utility environments. Choosing the correct cable rack is critical for safety, longevity, and future. 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. Each cable tray type performs a different function and comes in various materials such as aluminum, galvanized steel, and FRP. This guide will help you choose the best cable tray.