Horizontal hoisting is a common method for installing cable trays, especially when overhead support is available. The Cable Tray ng standards, performance standards, test standards and application in this document have been tested extens ompetent professional en completely installed, without damage either to conductors or. Cable trays are indispensable components in modern construction and industrial environments, providing a structured and efficient way to manage and support electrical cables. They ensure organized routing, protection, and accessibility for various wiring systems. While the cable tray itself forms. cable trays are equivalent. The mechanical and electrical characteristics, tests, certifications, overall quality management, recommendations mentioned in this technical guide only apply to our own cable management ranges and cannot under any circumstances be transposed to si osure, overheating or. OBO BETTERMANN has offered prod-ucts and solutions for electrical instal-lation for over 100 years. With our many years of experience, we are one of the leading manufacturers in this field. Using cable trays as walkways can cause personal injury and also damage cable tray and installed cables.