Coaxial-cable definition

kō-ăksē-əl
A cable consisting of a conducting outer metal tube enclosing and insulated from a central conducting core, used primarily for the transmission of high-frequency signals.
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A cable consisting of an electrically conductive wire surrounded by a layer of insulating material, a layer of shielding material, and an outer layer of insulating material, usually plastic or rubber. The purpose of the shielding layer is to reduce external electrical interference. Coaxial cables are used for transmission of high-frequency audio, video, computer network and other signals.
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A very robust shielded copper cable. All components are symmetrically arranged around a common axis, or center point, hence the term coaxial. A coax cable has a relatively thick center conductor (in comparison to a twisted-pair conductor), generally solid, although stranded wire sometimes is used in applications requiring greater flex strength.The metal used for the inner conductor may be bare copper, silvered copper, tinned copper, copper-clad aluminum or copper-covered steel. A layer of dielectric material, either foam or solid, generally surrounds the inner conductor, serving to separate it from the single outer conductor, or sometimes two outer conductors.The conductor(s) comprising the outer shield generally consists of a solid aluminum foil, although a braided or stranded metal screen of aluminum, bare copper, silvered copper, copper-clad aluminum, or tinned copper may be used. The entire cable is then protected by a sheath of dielectric material such as PVC or Teflon.
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A transmission line, consisting of a conducting wire surrounded by an insulated spacer, surrounded by a cylindrical conducting sheath; used to carry high frequency signals such as TV.
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Other Word Forms

Noun

Singular:
coaxial-cable
Plural:
coaxial-cables