Coaxial cable - Wikipedia
2021-9-11 · Coaxial cable, or coax (pronounced ˈ k oʊ. æ k s /) is a type of electrical cable consisting of an inner conductor surrounded by a concentric conducting shield, with the two separated by a dielectric (insulating material); many coaxial cables also have a protective outer sheath or jacket. The term 'coaxial' refers to the inner conductor and the outer shield sharing a geometric axis.
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