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Wire and Cable Glossary

dielectric strength1) The voltage which an insulating material can withstand before breakdown occurs, usually expressed as a voltage gradient (such as volts per mil).
2) A measure of the ability of an insulating mate...

creepageElectrical leakage on a solid dielectric surface.
crazing1) Minute lines appearing in or near the surface of materials, such as ceramics and plastics usually resulting as a response to environment. Crazing cannot be felt by running a fingernail across it. I...
corona testA test to determine the ability of a cable to withstand the formation of corona under an increasing applied voltage, and to extinguish corona when a coronaproducing voltage is reduced.
corona resistanceThe time that insulation will withstand a specified level fieldintensified ionization that does not result in the immediate complete breakdown of the insulation. Also called voltage endurance.
conventional concentric conductorConductor constructed with a central core surrounded by one or more layers of helically laid wires. The direction of lay is reversed in successive layers and generally with an increase in length of la...
contrahelicalA term meaning the application of two or more layers of spirally twisted, served, or wrapped materials where each successive layer is wrapped in the opposite direction to the preceding layer.
continuous vulcanizationSimultaneous extrusion and vulcanization of wire coating materials. It is abbreviated CV.
conductor coreThe center strand or member about which one of more layers of wires or members are laid helically to form a concentriclay or ropelay conductor.
concentricity1) In a wire or cable, the measurement of the location of the center of the conductor with respect to the geometric center of the circular insulation.
2) the measurement of how well-centered the co...

concentric strandingA method of stranding, wherein a single conductor is formed from a central wire surrounded by one or more layers of helically layed wires. Each layer is applied with an opposite direction of lay. The ...
crimp terminationA wire termination that is applied by physical pressure of terminal to wire.
cross linkingThe establishment of chemical bonds between polymer molecule chains. It may be accomplished by heat, vulcanization, irradiation or the addition of a suitable chemical agent.
cross sectional areaThe area of the cut surface of an object cut at right angles to the length of the object.
dielectric constantThat property (K) of an insulating material which is the ratio of the parallel capacitance (C) of a given configuration of electrodes with the material as the dielectric, to the capacitance of the sam...
диэлектрическая постоянная;
dielectric breakdownThe voltage at which a dielectric material is punctured; which is divisible by thickness to give dielectric strength.
derating factorA factor used to reduce a current carrying capacity of a wire when used in other environments from that for which the value was established.
decibel1) Unit to express differences of power level. It is used to express power loss in cables.
2) децибел d-b; d/b decimal-to-binary (conversion) десятично-двоичное преобразование
3) a logarithmic m...

db; децибел, дб; децибел;
cv (continuous vulcanization)Simultaneous extrusion and vulcanization of wire coating materials.
cutthrough resistanceThe ability of a given material to withstand penetration by a solid object of specified dimensions and weight, which is permitted to free fall onto this material from a specified height.
cutthroughResistance of solid material to penetration by an object under conditions of pressure, temperature, etc.
currentcarrying capacityThe maximum current an insulated conductor or cable can continuously carry without exceeding its temperature rating. It is also called ampacity.
crush resistance testA test to determine the ability of a cable to resist damage from radial compression, such as might be encountered in service.
cross sectional area of a conductorThe sum of cross sectional areas of all the individual wires composing the conductor. It is generally expressed in circular mils.
concentric lay conductorConductor constructed with a central core surrounded by one or more layers of helically laid wires. Several types are as follows:
compact stranded conductorA unidirectional or conventional concentric conductor manufactured to a specified diameter, approximately 8 to 10% below the nominal diameter of a noncompact conductor of the same crosssectional area.
compact round conductorA conductor constructed with a central core surrounded by one or more layers of helically laid wires and formed into final shape by rolling, drawing, or other means.
butt wrapTape wrapped in an edge to edge manner with no overlapping between adjacent turns.
bunch strandingA method of stranding where a single conductor is formed from any number of wires twisted together in the same direction, such that all strands have the same lay length, but no specific geometric arra...
building wireWire used for light and power in permanent installations utilizing 600 volts or less. Usually in an enclosure and which will not be exposed to outdoor environments.
breakdown voltage1) The voltage at which the insulation between two conductors, or a conductor and ground will break down.
2) пробивное напряжение

breakdown (puncture)A disruptive discharge through insulation due to failure under electrostatic stress.
armored cable1) A cable provided with a wrapping of metal, usually steel wires, flat tapes, or interlocked tapes, primarily for the purpose of mechanical protection.
2) coaxial cable that can be direct buried w...

armor1) Mechanical protection usually accomplished by a metallic layer of tape, braid or served wires. Normally found only over the outer sheath.
2) a protective layer, usually metal, wrapped around a c...

antiozonantA substance which prevents or slows down material degradation due to ozone reaction.
antioxidantA substance which prevents or slows down oxygen decomposition of a material.
cable fillerThe material used in multiple conductor cables to occupy the spaces formed by the assembly of components, thus forming a core of the desired shape.
capacitance (capacity)That property of a system of conductors and dielectrics which permits the storage of electricity when potential difference exists between the conductors.
capacitive couplingElectrical interaction between two conductors caused by the capacitance between them.
color code1) A color system for circuit identification by use of solid colors tracers, braids surface Printing, etc.
2) a color system for circuit identification by use of solid colors, contrasting stripes, ...

cold workThe hardening and embrittlement of metal by repeated flexing action.
cold testAny test to determine the performance of cables during or after subjection to a specified low temperature for a specified time.
cold jointA soldered joint made with insufficient heat.
cold flowAny permanent deformation due to pressure or mechanical force, without the aid of eat softening.
circular mil1) A unit of area equal to the area of a circle whose diameter is 1 mil (0.001 inch). Used chiefly in specifying crosssectional areas of round conductors.
2) круговой мил (единица площади круга)
cirm; cm;
chlorosulfonated polyethylene (cspe)A synthetic rubber jacketing compound manufactured by Du Pont under trade name of Hypalon.
chlorinated polyethylene (cpe)A synthetic rubber jacketing compound.
charging currentThe current produced when a dc voltage is first applied to conductors of an unterminated cable. It is caused by the capacitive reactance of the cable, and decreases exponentially with time.
capillary actionThe phenomenon of liquid rising in a small interstice due to surface tension.