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NEMA Releases First Revision of Magnet Wire Standard
27 Dec 2005
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(ROSSLYN, VA) - NEMA, the National Electrical Manufacturers Association, has published MW 1000-2003, Revision 1, 2005, Magnet Wire, the first revision of this publication, which was reformatted in 2003.
Significant changes in Revision 1 include 1) the addition of bare wire dimensions, minimum insulation builds, and performance requirements for half-wire sizes 4.5. – 29.5 AWG; 2) new MW 37-C and MW 38-C specifications for round and rectangular copper magnet wire, class 220 polyester (amide)(imide) overcoated with polyamideimide; 3) expansion of specifications MW 15-C, MW 35-C, and MW 73-C to include quad build dimensions and requirements; and 4) the addition of MW 130-C and MW 131-C specifications for class 130 polyurethane and polyurethane/ polyamide overcoated self-bonding magnet wire, and MW 135-C and MW 136-C specifications for class 155 versions of these materials.
Segmented into four major sections, the standard presents all NEMA standards for magnet wire in a single and convenient binder. Part 1 provides general requirements common to all types of magnet wire, including ordering information, general material requirements, general test conditions, definitions, and manufacturing data in support of thermal rating, as well as dimensions with metric equivalents for all bare, minimum insulation increase, and overall dimensions. Part 2 consists of product specification requirements (other than dimensions) for magnet wire with different types of coatings or coverings. Part 3 contains the test procedures to be followed and corresponding tables of specific test values to be attained in determining compliance with the requirements given in Part 2. Magnet Wire also includes Appendix B, which consists of definitions, requirements, and recommended test procedures for reusable magnet wire packaging, standardized dimensions for spools and reels, and formatting for the labeling of magnet wire products.
ANSI/NEMA MW 1000-2003, Revision 1, 2005 may be purchased for $154.00 by visiting www.nema.org/stds/mw1000.cfm, or by contacting Global Engineering Documents at (800) 854-7179 (within the U.S.), (303) 397-7956 (international), (303) 397-2740 (fax), or on the Internet at www.global.ihs.com. Those users who already own MW 1000-2003 may purchase only the revision pages for $110.
NEMA is the leading trade association in the United States representing the interests of electroindustry manufacturers. Founded in 1926 and headquartered near Washington, D.C., its 400 member companies manufacture products used in the generation, transmission and distribution, control, and end-use of electricity. Domestic shipments of electrical products within the NEMA scope exceed $100 billion.
Press/Public Relations Contacts:
NEMA Communications Department
Email: communications@nema.org
Phone: (703) 841-3286
Fax: (703) 841-3386
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