Install a simple pulley system above the cable tray. Tie the new cable to the string and pull (or push) the string through the pulleys. Once the new cable is in position, release it from the. 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. Whether you're building a commercial setup or upgrading an industrial plant, proper cable tray installation ensures neat wiring, safe access, and easy maintenance. But before you lay the first tray or clamp down a single cable, you need a solid plan. This guide breaks down the process step by step. Structural building members should never be cut, and cable trays should not be installed in hoist ways or where subject to physical damage. If possible, leave 12” of space. en completely installed, without damage either to conductors or structural system use 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.
