Non-penetrative cable tray supports are designed to protect lightweight modern roofs and offer a range of benefits. The cables are kept safe, secure and above roof level so are protected from water pooling, avoiding trip risks as well as preventing cabling being damaged from any. 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 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. es in the industrial environment. Sam Birch, Technical Manager at Big Foot Systems, looks at the latest methods for securing cabling on flat roofs. Are you safe and secure on rooftops? Poorly installed cabling. Cable Tray Accessories. The working principle of the system is based on the installation of cable systems and the movement of the system desired to move on these cable.