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Voluntary Standards Cover the Spectrum: from Communication Towers to Magnet Wire

3/18/2015
ANSI News

Magnet Wire

Magnet wire, most commonly copper or aluminum wire coated with a very thin layer of insulation, acts as an electrical conductor when connected to a power source. Ninety percent of all electrical energy requires modification through the use of a magnet to be effective, so magnet wire has tremendously broad applications in the construction of transformers, inductors, motors, speakers, generators, electromagnets, computers, televisions, and many other applications that require tight coils of wire.

A recently revised ANS published by the National Electrical Manufacturers Association (NEMA) covers state-of-the-art magnet wire manufacturing technologies and includes evolving magnet wire end user demands. ANSI/NEMA MW 1000-2014, Magnet Wire, provides general requirements, product specifications, and test procedures for the manufacturing and packaging of magnet wire. ANSI/NEMA MW 1000-2014 contains guidance for round, rectangular, and square film-insulated, and/or fibrous covered copper and aluminum magnet wire for use in electrical apparatus. The ANS also provides definitions, type designations, dimensions, constructions, performance, and test methods for magnet wire generally used in the winding of coils for electrical apparatus.

NEMA, an ANSI organizational member and accredited standards developer, is a membership organization of manufacturers of products used in the generation, transmission, distribution, control, and end-use of electricity used in utility, medical imaging, industrial, commercial, institutional, and residential applications. NEMA promotes the competitiveness of the U.S. electrical product industry through the development of standards, advocacy in federal and state legislatures and executive agencies, and the collection and analysis of economic data.

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