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This table shows the biggest manufacturers of cable in terms of revenue. The revenues noted here are total revenue of the group as reported in financial statements. These may not represent the revenues from their cable business.
Rea Magnet Wire Company, Inc. is one of the world's largest manufacturers of magnet and nonferrous wire products. Rea produces copper, aluminum and brass-insulated magnet wire and bare wire used in the manufacture of motors, transformers and coils. Rea also manufactures a number of specialty wire products.
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Copperweld is an American company based in Fayetteville, Tennessee, and maintaining a management office in Brentwood, Tennessee.Its main products are wire and stranded electrical cable made from its Copperweld brand copper-clad steel ("CCS") or copper-clad aluminum ("CCA"). [1]
NEC 2008 400.22(f) allows surface marking with ridged, grooves or white stripes on the surface of lamp cord. With transparent cord the hot wire is copper colored, and the neutral is silver colored. Grounding wire of circuit may be bare or identified insulated wire of green or green having yellow stripes. All metallic systems in a building are ...
A somewhat similar system called "concentric wiring" was introduced in the United States around 1905. In this system, an insulated electrical wire was wrapped with copper tape which was then soldered, forming the grounded (return) conductor of the wiring system. The bare metal sheath, at earth potential, was considered safe to touch.
Mineral-insulated copper-clad cable is a variety of electrical cable made from copper conductors inside a copper sheath, insulated by inorganic magnesium oxide powder. The name is often abbreviated to MICC or MI cable, and colloquially known as pyro (because the original manufacturer and vendor for this product in the UK was a company called ...
An example of a copper alloy conductor is cadmium copper wire, which is used for railroad electrification in North America. [5] In Britain the BPO (later Post Office Telecommunications ) used cadmium copper aerial lines with 1% cadmium for extra strength; for local lines 40 lb/mile (1.3 mm dia) and for toll lines 70 lb/mile (1.7 mm dia).
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