Trough Tray provides overhead protection and concealment for a wide variety of wire cabling installations. A full line of accessories, covers, and radius fittings are available. Selecting a specific width will show cable trays with that width, as well as cable tray accessories compatible with that width. Whether specifying a major new project, refurbishing existing facilities or doing the engineering, procurement and construction (EPC) for your end user, with T&B Cabletray, ABB offers reliable so utions du g conforming to ASTM A123 & ISO 1461 : m. Oil Industry, Electric Power, Lght Industry, Telecommunications etc. professional cable routing systems. It can be used for laying fully enclosed cables. It is most suitable for laying control cables for computer cables, communication cables, thermocouple cables and other highly sensitive. Cable tray types, fill rules for single-conductor and multiconductor cables, ampacity derating, separation requirements, and when to use tray vs conduit. Cable tray is the preferred wiring method for industrial facilities, data centers, and large commercial buildings where routing dozens or. Trough trays are commonly used in: They are often selected when: A single-rail cable tray system consists of a central structural spine with cantilevered support arms that extend outward to carry cables.