Conduct routine visual inspections of your cable tray systems to identify signs of wear, corrosion, and damage. Cable trays are crucial components in modern electrical installations, ensuring the proper organization and protection of cables. Any debris or foreign material should be removed from the tray and its supports. The mechanical and electrical characteristics, tests, certifications, overall quality management, recommendations mentioned. How to Maintain and Upkeep Cable Trays? Cable trays refer to a rigid structural system composed of channel or ladder straight sections, elbows, components, and supports (arm-type brackets), hangers, etc. to provide close support for cables.