Cable trays are components of support systems for power and communications cables and wires. The purpose of a cable tray system is to support, route, and protect cable as part of the cable management system. Through NEMA and the Cable Tray Institute numerous articles, standards, and other general guidance can be found regarding the proper use and installation of cable tray systems. Whether you're an engineer, contractor, facilities manager or simply curious, this ultimate guide provides an in-depth understanding of tray cables, covering their types, standards. Tray cable is a widely used type of multiconductor or multipair cable approved for installation in cable raceways and cable trays. According to the NEC (National Electric Code), tray cable is defined as “a factory assembly of two or more insulated conductors, with or without associated bare or. Across industry tray cable (type TC) is a go-to solution that works in some of the harshest indoor and outdoor environments. They are typically installed overhead, along walls, or under raised floors in electrical rooms, industrial plants, process areas, and commercial buildings.
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