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Charging Current -The current produced when a DC voltage is first applied to conductors of an un-terminated cable. It is caused by the capacitive reactance of the cable, and decreases exponentially with time.

Charging Time - The time required for the voltage between two conductors of a cable to acquire a value equal to 98.2% of the magnitude of an instantaneously applied DC voltage change.

Chlorosulfonated Polyethylene (CSPE) - A rubbery polymer made by treating polyethylene with chlorine and sulfur dioxide It is suitable compounded and cross linked for application as jacket or as insulation Manufactured by E.I. DuPont under trade name of Hypalon

Circuit -The complete path through which a current flows or part of the complete path such as one conductor.

Circuit Sizes - A popular term for building wire sizes 14 through 10 AWG.

Circular Mil - The area of a circle one mil (.001") in diameter, 7.546 x 10-7 sq. in. Used in expressing wire cross sectional area

Cladding - A method of applying a layer of metal over another metal whereby the junction of the two metals in continuously welded.

Coat - To cover with a continuous layer of compound (such as varnish) for purposed of fishing, protection, or enclosing. Usually comprises variable degrees of impregnation depending on the nature of the substance.

Coating - A material applied to the surface of a conductor to prevent environmental deterioration, facilitate soldering or improve electrical performance.

Coaxial Cable - A cable consisting of two cylindrical conductors with a common axis, separated by dielectric.