Drop-Outs: Allow cables to exit the tray vertically to connect to equipment below. Cable Tray Supports: These include trapeze hangers, center-span supports, and wall brackets that anchor the entire system to the building structure (ceiling, wall, or floor). 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. This publication is intended as a practical guide for the proper and safe* installation of cable ladder systems, cable tray systems, channel support systems and associated supports. Cable ladder systems and cable tray systems shall be manufactured in accordance with BS EN 61537, channel support. Cable tray systems provide a safe, organized, and flexible method for supporting insulated conductors and cables in commercial and industrial electrical installations. For licensed electricians, mastering these principles is essential. When developing our cable support OBO can offer reliable solutions for systems, three attributes are at the routing and fastening cables securely core of what we do: efficiency, resil- for each of these installation challeng-ience and safety. Our cable support. Dome-shaped (Hat) covers are designed to shield overfilled trays and deflect falling debris.