Standard intervals are usually every 1. 5 meters (5 feet), but check the manufacturer's specification for your specific tray load. Identify Changes: Mark locations for bends, tees, or elevation changes (risers). There are two common ways to mount cable trays: via Wall Brackets or. 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. When transporting heavy power to serve a factory, you should have a hanger every 1-5 meters. The standard rules followed by the professionals worldwide are indicated in the following table: During my time of employment, I. Once a few hangers are hung at points along the tray run, a carpenter's string or baling wire strung from end to end will assist in establishing the elevations for the tray supports. Before starting, ensure you have the correct personal protective equipment (PPE), including gloves, safety glasses, and a hard hat. This spacing is crucial for adequate maintenance access, ease of inspection, and ensuring proper airflow for effective heat dissipation. It also helps reduce the risk of.