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raceway

Raceway

An enclosed channel that accounts for a physical pathway for electrical wiring could be referred to as a raceway. Raceways provides protection to wires and cables from physical parameters like heat, humidity, corrosion, and other general physical parameters that may effect. A typical metallic conduit provides RF (radio frequency) shielding, that abbreviates the risk of trouble with electromagnetic interference. In some systems, plastic conduit is sufficient anyhow, because it offers no electrical grounding or RF shielding. Plastic channel is used widely to contain coaxial cables or may be other forms that have their own Radio Frequency shielding. Raceways are an important element in the layout of complex data centers and blade servers. There are different types of raceways, each accounting for a specific utility. Intermediate metal conduit is a circular metal raceway with an outside diameter same as that of rigid metal conduit. The wall thickness of IMC is slightly less compared to that of RMC, providing for more interior void for conductors. Flexible metal conduit (FMC), commonly called “Greenfield” or “flex,” is a raceway made of spiral metal strips interlocked in between themselves. Although, in the process of FMC installation, length is not a limitation, It primarily suffices uses for 6 ft or less of raceways. Pump motors and industrial machinery are two such widely applied uses of such equipment. Liquid-tight flexible metal conduit (LFMC), aids for a flexible raceway owing to its associated fittings and connectors. In cases where vibration or frequent relocation accounts for an issue, LFMC is often the solution useful for connecting the equipment. LFMC is of similar construction to FMC, but in addition has an outer liquid-tight thermoplastic covering to provide protection against moisture factors and some corrosives. Metal wire-ways are common for usage where accessing the conductors within the raceway is essential to make terminations, diversions, or taps to several devices at a single location. High cost hinders their use for longer distances, except in some commercial or industrial occupies where the limitation is that frequently revision of wiring is a necessity.

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