How to identify the cable model when entering a cable tray

In all instances cables utilized within a cable tray system should be UL listed and marked as cable tray rated. The answer is affirmative, provided that the correct type of tray cable is selected. 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. The cable jacket tells the story if you know how to read it. 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. At Allied Wire & Cable, we'll show you a six-point method to identifying the most common types of Tray Cables and Power Limited Tray Cables. [pdf]