According to the 2014 National Electric Code® (NEC), any listed optical fiber cable is acceptable for a tray application. Cable trays are frequently used for both power and communications cables in industrial applications. Question 1: Can mechanical utility piping or tubing containing water or compressed air be installed in cable trays with electrical cables? Answer: No. NEC section 300-8 does not permit. The purpose of this AE Note is to outline the use of fiber optic cables in “tray rated” environments. OCC FOTC cables will withstand aggressive pulling, impact from falling debris, and harsh temperatures. Our tray-rated cables are used in a variety of indoor and outdoor environments such as manufacturing plants, oil refineries and platforms, utilities, substations, under. Fiber optic cables are often seen as the gold standard for network cabling. We studied these systems to show how important they are for modern networks. We looked at how. These cables are constructed with or without either or both: a) One bare or one or more insulated grounding conductor (s), and b) One or more individually jacketed optical-fiber members, all under an overall jacket.
[PDF Version]