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Types of Cable Typically Used in Cable Tray
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.
The cable tray system is only one component of the cable management system. Another important component is obviously the cable. Therefore, it is also important to understand how to properly apply and install the cables in a cable tray system. To that end, this Bulletin is intended to discuss the types of cables most frequently used in cable trays and the wiring methods permitted in cable trays under the National Electric Code (NEC) NFPA 70.
