Step-by-step on-site guide: learn how to plan, mark, support, and install cable trays correctly, from shop drawing approval to final checks. Whether you're building a commercial setup or upgrading an industrial plant, proper cable tray installation ensures neat wiring, safe access, and easy maintenance. This guide breaks down the process step by step. Cable ladder systems and cable tray systems shall be manufactured in accordance with BS EN 61537, channel support. Proper installation of cables in trays is critical for maintaining an efficient and safe electrical system. In order to get it right, installers are supposed to adhere to a plan that ensures that wires are kept cool and the building is stable.