Cable trays are produced in different heights and widths to give more choice for loading space availability. 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. 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 (or cable ladder) systems are a popular alternative to electrical conduit systems, as they have an outstanding record for dependable service, design flexibility and cost savings in commercial and industrial applications. Our cable trays are produced in fit for purpose materials like stainless steel, galvanized, aluminium and fibreglass (FRP/GRP) composites to suit any project type both offshore and onshore. In this guide, we explain what cable trays are, the main types available, how to choose the correct size and duty rating, and what to consider when designing a cable tray.