These trays are designed to hold and support various types of cables, including power cables, data cables, and communication cables. They are typically made of metal, such as steel or aluminum, and are designed to provide a safe and efficient way to route and protect cables.Cable trays consist of a series of interconnected channels or trays that form a pathway for cables. Cable Trays Cable trays are a type of cable management system used to support and organize electrical cables and wires in commercial, industrial, and residential settings.