Connecting You to More
| Term | Description |
|---|---|
| A.C. Resistance | The total resistance offered by a device in an alternating current circuit due to inductive and capacitive effects, as well as the direct current resistance |
| Abrasion Resistance | Ability of a wire, cable or material to resist surface wear |
| Accelerated Aging | A test in which voltage, temperature, and other factors are increased above normal operating values to obtain observable deterioration in a relatively short period of time. The plotted results give expected service life under normal conditions. |
| Accelerated Life Test | A test in which certain factors such as voltage, temperature, etc., to which a cable is subjected are increased in magnitude above normal operating values to obtain observable deterioration in a reasonable period of time |
| Accelerator | A chemical additive which hastens a chemical reaction under specific conditions |
| Activator | A chemical additive used to initiate the chemical reaction in a specific chemical mixture |
| Active Current | In an alternating current, the component in phase with the voltage; the working component as distinguished from the idle or wattless component |
| Active Pressure | In an A.C. circuit, the pressure which produces a current, as distinguished from the voltage impressed upon the circuit |
| Adhesion | The state in which two surfaces are held together by interfacial forces which, may be chemical or mechanical in nature |
| Admittance | The measure of the ease with which an alternating current flows in a circuit; the reciprocal of impedance |
| Aerial Cable | A cable suspended in the air, on a pole or other overhead structure |
| Aging | The irreversible change in properties or appearance of a material with time and specific conditions (usually accelerated representations of environmental states, such as high temperature, oxygen or other various conditions or media) |
| Air Core Cable | A telephone cable in which the interstices in the cable core are not filled with a moisture barrier |
| Air Spaced Coaxial Cable | A cable where air is the essential dielectric material; a spirally wound synthetic filament or spacer may be used to center the conductor |
| Alloy | A metal formed by combining two or more different metals to obtain desirable properties |
| Alpeth | An aerial telephone cable having an aluminum shield |
| ALS | A type of cable consisting of insulated conductors enclosed in a continuous closely fitting aluminum tube |
| Alternating Current (AC) | Electric current that continually reverses its direction; expressed in hertz or Hz (cycles per second) |
| Alternating Voltage | The voltage developed across a resistance or impedance through which alternating currents are flowing |
| Aluminum (AI) | A conductor that has similar properties to copper, used only in very specific applications |
| Ambient Temperature | Any all-encompassing temperature within a given area |
| Ampacity | The maximum current an insulated wire or cable can safely carry without exceeding either the insulation or jacket material limitations (same as Current Carrying Capacity) |
| Ampere | The unit of current. One ampere is the current flowing through one "ohm" of resistance at one volt potential |
| Anneal | Relief of mechanical stress through heat and gradual cooling. Annealing copper renders it less brittle. |
| Anode | The electrode through which a direct current enters the liquid, gas or other discrete part of an electrical circuit; the positively charged pole of an electrochemical cell |
| ANSI | American National Standards Institute |
| Anti-Oxidant | A substance that prevents or slows down oxygen decomposition (oxidation) of a material exposed to air |
| Anti-Oxonant | A substance which prevents or slows down material degradation due to ozone reaction |
| Appliance Wiring Material | UL (Underwriter's Laboratories) Subject 758 |
| Appliance Wiring Material Products | CSA (Canadian Standards Association International) Standard C22.2 No. 210.2; CSA Standard C22.2 No. 0; Canadian Electrical Code, Part II |
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