ANSI NEMA MW 1000-2003 Rev.1.2005

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ANSI NEMA MW1000-2003
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    Approved as an American National Standard ANSI Approval Date: October 25, 2005   ANSI/NEMA MW 1000-2003 Revision 1, 2005   Magnet Wire Published by   National Electrical Manufacturers Association  1300 North 17th Street, Suite 1752 Rosslyn, Virginia 22209 www.nema.org © Copyright 2005 by the National Electrical Manufacturers Association. All rights including translation into other languages, reserved under the Universal Copyright Convention, the Berne Convention for the Protection of Literary and Artistic Works, and the International and Pan American Copyright Conventions.    NOTICE AND DISCLAIMER  The information in this publication was considered technically sound by the consensus of persons engaged in the development and approval of the document at the time it was developed. Consensus does not necessarily mean that there is unanimous agreement among every person participating in the development of this document. The National Electrical Manufacturers Association (NEMA) standards and guideline publications, of which the document contained herein is one, are developed through a voluntary consensus standards development process. This process brings together volunteers and/or seeks out the views of persons who have an interest in the topic covered by this publication. While NEMA administers the process and establishes rules to promote fairness in the development of consensus, it does not write the document and it does not independently test, evaluate, or verify the accuracy or completeness of any information or the soundness of any judgments contained in its standards and guideline publications. NEMA disclaims liability for any personal injury, property, or other damages of any nature whatsoever, whether special, indirect, consequential, or compensatory, directly or indirectly resulting from the publication, use of, application, or reliance on this document. NEMA disclaims and makes no guaranty or warranty, expressed or implied, as to the accuracy or completeness of any information published herein, and disclaims and makes no warranty that the information in this document will fulfill any of your particular purposes or needs. NEMA does not undertake to guarantee the performance of any individual manufacturer or seller’s products or services by virtue of this standard or guide. In publishing and making this document available, NEMA is not undertaking to render professional or other services for or on behalf of any person or entity, nor is NEMA undertaking to perform any duty owed by any person or entity to someone else. Anyone using this document should rely on his or her own independent judgment or, as appropriate, seek the advice of a competent professional in determining the exercise of reasonable care in any given circumstances. Information and other standards on the topic covered by this publication may be available from other sources, which the user may wish to consult for additional views or information not covered by this publication. NEMA has no power, nor does it undertake to police or enforce compliance with the contents of this document. NEMA does not certify, test, or inspect products, designs, or installations for safety or health purposes. Any certification or other statement of compliance with any health or safety– related information in this document shall not be attributable to NEMA and is solely the responsibility of the certifier or maker of the statement.   MW 1000-2003, Revision 1, June 16, 2005 Page i © Copyright 2005 by the National Electrical Manufacturers Association. CONTENTS   Page  Foreword...................................................................................................................................xi How to Use this Publication......................................................................................................xii Part 1 GENERAL 1.1 Scope.........................................................................................................................................1 1.2 Normative References and Authorized Engineering Information (AEI)....................................1 1.3 Definitions..................................................................................................................................2 1.4 Materials....................................................................................................................................4 1.4.1 Conductors – Round, Square, and Rectangular, Copper and Aluminum....................4 1.4.2 Insulating Materials.......................................................................................................5 1.5 Manufacturing............................................................................................................................5 1.5.1 Application of Insulation...............................................................................................5 1.5.2 Intermediate Sizes........................................................................................................6 1.5.3 Joints............................................................................................................................6 1.5.4 Packaging.....................................................................................................................6 1.6 Test Conditions and Parameters...............................................................................................7 1.6.1 Safety Statement..........................................................................................................7 1.6.2 Selection of Specimens................................................................................................7 1.6.3 Ambient Conditions of Test..........................................................................................7 1.6.4 Power Frequency.........................................................................................................7 1.6.5 Mandrels.......................................................................................................................7 1.6.6 Rectangular and Square Wire......................................................................................8 1.6.7 Round Wire...................................................................................................................8 1.6.8 Periodic Conformance..................................................................................................8 1.6.9 Retests.........................................................................................................................8 1.7 Units of Measure.......................................................................................................................9 1.8 Thermal Class of Magnet Wire..................................................................................................9 1.9 Ordering Information..................................................................................................................9 1.9.1 Product Identification Number......................................................................................9 1.9.2 Minimum Ordering Data.............................................................................................10 Tables 1-1 Dimensions for Bare and Film Insulated Round Magnet Wire................................................11 1-2 Round Copper Wire, Ultra Fine Sizes by Resistance.............................................................17 1-3 Dimensions for Round Film Insulated Self-Bonding Magnet Wire..........................................18 1-4 Dimensions for Single Glass Fiber Covered Round Bare, Single Film Coated and Heavy Film Coated Wire...................................................................20 1-5 Dimensions for Double Glass Fiber Covered Round Bare, Single Film Coated and Heavy Film Coated Wire...................................................................22 1-6 Dimensions for Single Polyester Glass Fiber Covered Round Bare, Single Film Coated and Heavy Film Coated Wire...................................................................24 1-7 Dimensions for Double Polyester Glass Fiber Covered Round Bare, Single Film Coated and Heavy Film Coated Wire...................................................................26 1-8 Dimensions and Radii for Rectangular Bare Wire...................................................................28 1-9 Bare Rectangular Conductor Tolerances................................................................................28  MW 1000-2003, Revision 1, June 16, 2005 Page ii © Copyright 2005 by the National Electrical Manufacturers Association. 1-10 Film Insulated Rectangular Magnet Wire Increase in Thickness and Width Due to Film Coating...........................................................28 1-11 Dimensions of Square Bare Wire............................................................................................29 1-12 Heavy and Quadruple Film Insulated Square Magnet Wire Increase in Dimensions Due to Film Coating..........................................................................30 1-13 Range of Increase in Dimensions, Inches Single Glass Fiber Covered Heavy Film Insulated Rectangular Copper Wire........................31 1-14 Range of Increase in Dimensions, Inches Double Glass Fiber Covered Bare Rectangular Copper Wire................................................32 1-15 Range of Increase in Dimensions, Inches Double Glass Fiber Covered Heavy Film Coated Rectangular Copper Wire.........................33 1-16 Range of Increase in Dimensions, Inches Single Polyester Glass Fiber Covered Heavy Film Insulated Rectangular Copper Wire.......34 1-17 Range of Increase in Dimensions, Inches Double Polyester Glass Fiber Covered Bare Rectangular Copper Wire................................35 1-18 Range of Increase in Dimensions, Inches Double Polyester Glass Fiber Covered Heavy Film Coated Rectangular Copper Wire.........36 1-19 Single Glass Fiber Covered, Heavy Film Insulated Square Copper Magnet Wire– Minimum Increase and Maximum Overall Dimensions Due to Insulation...............................37 1-20 Single Polyester Glass Fiber Covered Heavy Film Insulated Square Copper Magnet Wire-Minimum Increase and Maximum Overall Dimensions Due to Insulation......................38 1-21 Double Glass Fiber Covered, Bare or Heavy Film Insulated Square Copper Magnet Wire– Minimum Increase and Maximum Overall Dimensions Due to Insulation...............................39 1-22 Double Polyester Glass Fiber Covered, Bare or Heavy Film Insulated Square Copper Magnet Wire–Minimum Increase and Maximum Overall Dimensions Due to Insulation........40 1-23 Comparison Between AWG and IEC R-40 Series Bare Wire Diameters...............................41 1-24 Comparison Between NEMA and IEC Increases and Overall Diameters...............................43
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