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Copper wiresCopper cableCoaxial cable made from copper
Copper has been used in electrical wiring since the invention of the electromagnet and the telegraph in the 1820s.[1][2] The invention of the telephone in 1876 created further demand for copper wire as an electrical conductor.[3]
Copper is the electrical conductor in many categories of electrical wiring.[3][4] Copper wire is used in power generation, power transmission, power distribution, telecommunications, electronics circuitry, and countless types of electrical equipment.[5] Copper and its alloys are also used to make electrical contacts. Electrical wiring in buildings is the most important market for the copper industry.[6] Roughly half of all copper mined is used to manufacture electrical wire and cable conductors.[5]
^Sturgeon, W., 1825, Improved Electro Magnetic Apparatus, Trans. Royal Society of Arts, Manufactures, & Commerce (London) 43: pp. 37–52, as cited in Miller, T.J.E, 2001, Electronic Control of Switched Reluctance Machines, Newnes, p. 7. ISBN 0-7506-5073-7
^Windelspecht, Michael, 2003, Groundbreaking Scientific Experiments, Inventions, and Discoveries of the 19th Century, XXII, Greenwood Publishing Group, ISBN 0-313-31969-3
^ abPops, Horace, 2008, Processing of wire from antiquity to the future, Wire Journal International, June, pp 58-66
^Cite error: The named reference litz-wire1 was invoked but never defined (see the help page).
^ abCite error: The named reference JG99 was invoked but never defined (see the help page).
^"Copper, Chemical Element - Overview, Discovery and naming, Physical properties, Chemical properties, Occurrence in nature, Isotopes". Chemistryexplained.com. Archived from the original on 2013-06-16. Retrieved 2013-06-01.
further demand for copper wire as an electrical conductor. Copper is the electrical conductor in many categories of electrical wiring. Copper wire is used in...
example, a long copper wire has higher resistance than an otherwise-identical short copper wire. The resistance R and conductance G of a conductor of uniform...
propagation delays and power consumption. Since copper is a better conductor than aluminium, ICs using copper for their interconnects can have interconnects...
reduces the effective cross-section of the conductor and thus increases its effective resistance. At 60 Hz in copper, skin depth is about 8.5 mm. At high frequencies...
various advantages they offer over copper wiring. Aluminium conductors both cost and weigh less than copperconductors, so a much larger cross sectional...
various wire gauges and the allowable current (ampacity) based on a copperconductor with plastic insulation. The diameter information in the table applies...
conductivity. A freshly exposed surface of pure copper has a pinkish-orange color. Copper is used as a conductor of heat and electricity, as a building material...
insulation has occasionally been found to accelerate oxidation of the copperconductor, increasing resistance over time).[citation needed] High-power in-car...
copper. When factors such as chemical, physical, and mechanical property requirements are considered, copper is considered the first choice conductor...
power cables or cable bus. Originally a busway consisted of bare copperconductors supported on inorganic insulators, such as porcelain, mounted within...
Since copper is an excellent thermal and electrical conductor among engineering metals (second only to silver), electrical systems that utilize copper generate...
reduce the nuisance: Copperconductors (no suppression) Resistor in spark plug with copperconductor Compressed carbon powder as conductor in the lead to act...
Copper loss is the term often given to heat produced by electrical currents in the conductors of transformer windings, or other electrical devices. Copper...
contact, while maintaining a low enough copper diffusivity to sufficiently chemically isolate these copperconductor films from underlying device silicon...
two conductors of a single circuit are twisted together for the purposes of improving electromagnetic compatibility. Compared to a single conductor or...
houses that uses aluminum electrical conductors. Aluminum provides a better conductivity-to-weight ratio than copper, and therefore is also used for wiring...
wires running side by side or bundled, which is used as an electrical conductor to carry electric current. Electrical cables are used to connect two or...
sufficiently thick conductors. For example, the skin depth of a copperconductor is approximately 8.57 mm at 60 Hz, so high current conductors are usually hollow...
electrical component that allows the connection of various metals to a copperconductor. Because of galvanic corrosion, dissimilar metals exposed to an electrolyte...
as described in Telcordia GR-347 & GR-347, consist of a stranded copperconductor used in AC/DC circuits up to 600 V that are insulated with non-halogen...
discarded. When welding copperconductors, the process employs a semi-permanent graphite crucible mould, in which the molten copper, produced by the reaction...
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