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The coaxial cable was invented in 1929. However, its commercial use started only in 1941. Coaxial cables consist of round, cylindrical shaped wires which is covered by a spacer, a cylinder shaped sheath which in turn is surrounded by an insulating jacket. Coaxial cable is basically an electrical cable and is used to transfer high frequency signals. The electromagnetic field generated is present in between the inner and the outer conductors. There is therefore less interference from outer electromagnetic fields. This type of cabling is used for industries like cable TV and networking. Coaxial cabling is a bit more costly than normal telephone cabling. However, it is preferred because it allows maximum transmission of data and information with the least interference.
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Read more... [The Various Categories Of Coaxial Cable]
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