Proper installation is not just about placing the cable tray in the right position; it also involves correct selection and layout, ensuring structural safety, maintaining appropriate spacing and safety distances, and adopting the correct installation techniques and methods to. Proper installation is not just about placing the cable tray in the right position; it also involves correct selection and layout, ensuring structural safety, maintaining appropriate spacing and safety distances, and adopting the correct installation techniques and methods to. The correct installation of cable trays is crucial for establishing a reliable and efficient cable system. It ensures that cables are properly supported and protected, reduces the risk of cable damage, and facilitates maintenance and management. Proper installation is not just about placing the. Working with cable trays is not just a routine installation job. Your original article already highlights the biggest dangers: contact with energized cables. in this document have been tested extens ompetent professional en completely installed, without damage either to conductors or structural system use maintain spacing or to keep cables in place when the tray is ect the minimum bend ra-dius for cables as they exit the bottom of the cable tray. 305(a)(3), or comparable standards promulgated by States operating OSHA-approved State plans. The Cable Tray system is installed in electrical rooms, plant rooms, and service corridors. We can describe the following.