Overhead Cable Tray Routing System contributes to network performance by effectively managing and protecting high-Tray and Instrumentation Cableperformance communication, computing, and power cables in data centers as well as enterprises. Instrumentation in networking and communication involves high speed transmitting fiber cables which are highly sensitive. These fiber optics are installed in the communication data centers, networking centers and in this cutting-edge technology is also prone to enterprises.

Instrumentation cables installation

Tray and Instrumentation Cable 02The logic behind the care of instrumentation cable was to avoid any deterioration in signal integrity. In communication networks signal integrity plays a very vital role. The margin for error is pretty low, so, it has to be in the perfect condition to avoid any ambiguity which may arise in operations. These cables are often installed through ducts, wire trays, conduit, and in some cases outdoor direct burial applications.

Instrumentation cables installed in buildings are required to be plenum rated. Plenum rated cables are cables that comply with flammability and smoke specifications set forth by the National Electrical Code (NEC). Instrumentation and tray cables are primarily UL rated, can be shielded or unshielded, and are offered in 300V and 600V.

Fire safety concerns and solutions

Tray and Instrumentation Cable 03Combustible cable jackets in instrumentation cables may catch on fire and cable fires can thus spread along a cable tray within a structure. This is easily prevented through the use of fire-retardant cable jackets, or fireproofing coatings applied to installed cables. Heavy coatings or long fire-stops may require adjustment of the cable current ratings, since such fireproofing measures may reduce the heat dissipation of installed cables.

Materials used

Instrumentation cables; trays are made of galvanized steel, stainless steel, aluminium, or glass-fibre reinforced plastic. The material for a given application is chosen based on where it will be used. Galvanized tray may be made of pre-galvanized steel sheet fabricated into tray, or maybe hot-dip galvanized after fabrication. When galvanized tray is cut to length in the field, usually the cut surface will be painted with a zinc-rich compound to protect the metal from corrosion.

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