- To subject to heat with subsequent cooling. when annealing copper; the act of softening the metal by means of heat to render it less brittle.
- A substance which prevents or slows down oxygen decomposition of a material.
- A substance which makes oxygen less damaging, e.g. in the body or in foods or plastics antioxidant vit...
A substance which prevents or slows down material degradation due to ozone reaction.
- Mechanical protection usually accomplished by a metallic layer of tape, braid or served wires. normally found only over the outer sheath.
- A protective layer, usually metal, wrapped ...
- A cable provided with a wrapping of metal, usually steel wires, flat tapes, or interlocked tapes, primarily for the purpose of mechanical protection.
- Coaxial cable that can be direc...
A disruptive discharge through insulation due to failure under electrostatic stress.
- The voltage at which the insulation between two conductors, or a conductor and ground will break down.
- Пробивное напряжение
- The voltage at which an electrical insulation ...
Wire 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.
A 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 ...
Tape wrapped in an edge to edge manner with no overlapping between adjacent turns.
The material used in multiple conductor cables to occupy the spaces formed by the assembly of components, thus forming a core of the desired shape.
That property of a system of conductors and dielectrics which permits the storage of electricity when potential difference exists between the conductors.
Electrical interaction between two conductors caused by the capacitance between them.
The phenomenon of liquid rising in a small interstice due to surface tension.
- The 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.
|chlorinated polyethylene (cpe)|
A synthetic rubber jacketing compound.
|chlorosulfonated polyethylene (cspe)|
A synthetic rubber jacketing compound manufactured by du pont under trade name of hypalon.
- 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.
- Круговой мил (единица площади...
Any permanent deformation due to pressure or mechanical force, without the aid of eat softening.
- A soldered joint made with insufficient heat.
- A joint formed when a concrete surface hardens before the next batch of concrete is placed against it; characterized by a poor bond unl...
Any test to determine the performance of cables during or after subjection to a specified low temperature for a specified time.
The hardening and embrittlement of metal by repeated flexing action. производить холодную;
- A color system for circuit identification by use of solid colors tracers, braids surface printing, etc.
- A color system for circuit identification by use of solid colors, contrasting...
|compact round conductor|
A 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.
|compact stranded conductor|
A 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 a...
|concentric lay conductor|
Conductor constructed with a central core surrounded by one or more layers of helically laid wires. several types are as follows:
A 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. ...
- 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.
- The measurement of how well-cente...
The center strand or member about which one of more layers of wires or members are laid helically to form a concentriclay or ropelay conductor.
Simultaneous extrusion and vulcanization of wire coating materials. it is abbreviated cv.
A 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.
|conventional concentric conductor|
Conductor 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 o...
The 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.
A 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.
- 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 ...
Electrical leakage on a solid dielectric surface.
A wire termination that is applied by physical pressure of terminal to wire.
The 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 area|
The area of the cut surface of an object cut at right angles to the length of the object.
|cross sectional area of a conductor|
The sum of cross sectional areas of all the individual wires composing the conductor. it is generally expressed in circular mils.
|crush resistance test|
A test to determine the ability of a cable to resist damage from radial compression, such as might be encountered in service.
The maximum current an insulated conductor or cable can continuously carry without exceeding its temperature rating. it is also called ampacity.
Resistance of solid material to penetration by an object under conditions of pressure, temperature, etc.
The 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.
|cv (continuous vulcanization)|
Simultaneous extrusion and vulcanization of wire coating materials.
db; децибел, дб; децибел;
- Unit to express differences of power level. it is used to express power loss in cables.
- Децибел d-b; d/b decimal-to-binary (conversion) десятично-двоичное преобразование
A factor used to reduce a current carrying capacity of a wire when used in other environments from that for which the value was established.
The voltage at which a dielectric material is punctured; which is divisible by thickness to give dielectric strength.
- That 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...