NEMA Standards Publication MW 1000-2003

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ANSI/NEMA MW 1000-2014 American National Standard Magnet Wire Secretariat: National Electrical Manufacturers Association Approved March 11, 2014 Published April…
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ANSI/NEMA MW 1000-2014 American National Standard Magnet Wire Secretariat: National Electrical Manufacturers Association Approved March 11, 2014 Published April 1, 2014 American National Standards Institute © 2014 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. MW 1000-2014 Part 0, Page 2 NOTICE AND DISCLAIMER (ANSI Accredited Standards Committee) 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. ANSI standards, 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. As Secretary of the ANSI Accredited Standards Committee, NEMA administers the process in accordance with the procedures of the American National Standards Institute to promote fairness in the development of consensus. As a publisher of this document, NEMA 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, express 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’s 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. © 2014 National Electrical Manufacturers Association MW 1000-2014 Part 0, Page 3 Summary of Revisions Parts following the publication of MW 1000-2011: Note: Effective with the publication of MW 1000-2011, table numbering was revised to be sequential throughout the standard, and table styles were reformatted for ease of editing. Introductory Material Updated Tables of Contents ..................................................................................................................... i–xii Updated Foreword....................................................................................................................................... xiii Part 1 1.2 Replacement of reference to NIST Handbook 100 with reference to ASTM B 258 .............................. 19 Tables 1, 4, 5, 6, 7, 11, 19, 20, 21, 22: Revised 1/0 AWG bare wire diameters .................................... 31-63 Table 8: Addition of equivalent metric dimensions (mm) ............................................................................ 49 Part 2 MW 16-C, 20-C revised to clarify that the requirements are determined at room temperature ............ 82, 86 MW 28-C, 30-C: Additional optional reference to clause 3.8.8 ............................................................. 92, 94 MW 29-C: obsolete specification................................................................................................................. 93 Part 3 3.3.4 revised to clarify that the wire specimen is cut to the bare conductor using a sharp knife............... 152 3.8.1 revised to clarify the characteristics of dielectric breakdown and to more specifically define the required capabilities of the test equipment ................................................................................................ 160 3.8.8 revised to permit U-bend specimens to have a straight length up to 12 inches at its base ............. 166 3.8.8 revised editorially to add a photo for FIGURE 3-8-8 that was inadvertently omitted ........................ 166 3.9.3 revised to replace the use of mercury electrolytic solution of sodium sulfate in water ..................... 169 3.10 revised to remove the use of mercury during testing ................................................................. 170-172 Table 31 revised to reflect current manufacturing technologies and harmonize with IEC requirements .. 154 Appendix C Editorially revised to remain current with NEMA and IEC standards activities through 2013 ................... C-1 © 2014 National Electrical Manufacturers Association MW 1000-2014 Part 0, Page 4 TABLE OF CONTENTS Page Foreword .................................................................................................................................. 18 How to Use this Publication ..................................................................................................... 19 Part 1 GENERAL 1.1 SCOPE .................................................................................................................................... 21 1.2 NORMATIVE REFERENCES AND AUTHORIZED ENGINEERING INFORMATION (AEI) ... 21 1.3 DEFINITIONS .......................................................................................................................... 22 1.4 MATERIALS ............................................................................................................................ 24 1.4.1 Conductors—Round, Square, and Rectangular, Copper and Aluminum ................................ 24 1.4.2 Insulating Materials .................................................................................................................. 24 1.5 MANUFACTURING ................................................................................................................. 25 1.5.1 Application of Insulation ........................................................................................................... 25 1.5.2 Intermediate Sizes ................................................................................................................... 26 1.5.3 Joints…………….…………………………………………………………………………………..... 26 1.5.4 Packaging ................................................................................................................................ 26 1.6 TEST CONDITIONS AND PARAMETERS ............................................................................. 27 1.6.1 Safety Statement ..................................................................................................................... 27 1.6.2 Selection of Specimens ........................................................................................................... 27 1.6.3 Ambient Conditions of Test ..................................................................................................... 27 1.6.4 Power Frequency ..................................................................................................................... 27 1.6.5 Mandrels .................................................................................................................................. 27 1.6.6 Rectangular and Square Wire ................................................................................................. 28 1.6.7 Round Wire .............................................................................................................................. 28 1.6.8 Periodic Conformance ............................................................................................................. 29 1.6.9 Retests ………………………………………………………………………………………………. . 29 1.7 UNITS OF MEASURE ............................................................................................................. 29 1.8 THERMAL CLASS OF MAGNET WIRE .................................................................................. 29 1.9. ORDERING INFORMATION ................................................................................................... 30 1.9.1 Product Identification Number ................................................................................................. 30 1.9.2 Minimum Ordering Data .......................................................................................................... 31 1.10 DE-REELING (WINDING) TENSION ..................................................................................... 31 Tables 1 Dimensions for Bare and Film Insulated Round Magnet Wire ....................................................... 32 2 Round Copper Wire, Ultra-Fine Sizes by Resistance .................................................................... 38 3 Dimensions for Round Film Insulated Self-Bonding Magnet Wire ................................................. 39 4 Dimensions for Single Glass Fiber Covered Round Bare, Single Film Coated and Heavy Film Coated Wire ................................................................................................................................... 41 5 Dimensions for Double Glass Fiber Covered Round Bare, Single Film Coated and Heavy Film Coated Wire ................................................................................................................................... 43 © 2014 National Electrical Manufacturers Association MW 1000-2014 Part 0, Page 5 6 Dimensions for Single Polyester Glass Fiber Covered Round Bare, Single Film Coated and Heavy Film Coated Wire ................................................................................................................ 45 7 Dimensions for Double Polyester Glass Fiber Covered Round Bare, Single Film Coated and Heavy Film Coated Wire ................................................................................................................ 47 8 Dimensions, Radii and Cross-Sectional Area for Standard Rectangular Bare Wire ...................... 49 9 Bare Rectangular Conductor Tolerances [Deleted] ....................................................................... 51 10 Film Insulated Rectangular Magnet Wire Increase in Thickness and Width Due to Film Coating .......................................................................................................................................... 51 11 Dimensions of Square Bare Wire ................................................................................................... 52 12 Heavy and Quadruple Film Insulated Square Magnet Wire Increase in Dimensions Due to Film Coating……… ........................................................................................................................ 53 13 Range of Increase in Dimensions, Inches Single Glass Fiber Covered Heavy Film Insulated Rectangular Copper Wire............................................................................................................... 54 14 Range of Increase in Dimensions, Inches Double Glass Fiber Covered Bare Rectangular Copper Wire ..... ……………………………………………………………………………………………55 15 Range of Increase in Dimensions, Inches Double Glass Fiber Covered Heavy Film Coated Rectangular Copper Wire............................................................................................................... 56 16 Range of Increase in Dimensions, Inches Single Polyester Glass Fiber Covered Heavy Film Insulated Rectangular Copper Wire ............................................................................................... 57 17 Range of Increase in Dimensions, Inches Double Polyester Glass Fiber Covered Bare Rectangular Copper Wire............................................................................................................... 58 18 Range of Increase in Dimensions, Inches Double Polyester Glass Fiber Covered Heavy Film Coated Rectangular Copper Wire .................................................................................................. 59 19 Single Glass Fiber Covered, Heavy Film Insulated Square Copper Magnet Wire— Minimum Increase and Maximum Overall Dimensions Due to Insulation ...................................... 60 20 Single Polyester Glass Fiber Covered Heavy Film Insulated Square Copper Magnet Wire—Minimum Increase and Maximum Overall Dimensions Due to Insulation .......................... 61 21 Double Glass Fiber Covered, Bare or Heavy Film Insulated Square Copper Magnet Wire Minimum Increase and Maximum Overall Dimensions Due to Insulation ...................................... 62 22 Double Polyester Glass Fiber Covered, Bare or Heavy Film Insulated Square Copper Magnet Wire—Minimum Increase and Maximum Overall Dimensions Due to Insulation ............. 63 23 Comparison Between AWG and IEC R-40 Series Bare Wire Diameters ...................................... 64 24 Comparison Between NEMA and IEC Increases and Overall Diameters ...................................... 67 25 Dimensions for Tape Covered Round Magnet Wire……………………………………………... ...... 71 26 Increase in Dimensions of Rectangular Wire Due to Tape Covering………………………….. ...... 73 27 Dimensions for Tape Covered Square Magnet Wire…………………………………………….. ...... 74 © 2014 National Electrical Manufacturers Association MW 1000-2014 Part 0, Page 6 Part 2 PROPERTIES AND REQUIREMENTS Specification Thermal Round Rectangular Page Number Class and Square No. MW 5-C Polyester (Single and Heavy) 155 X — 78 MW 15-A Polyvinyl Acetal (Single and Heavy) 105 X — 79 MW 15-C Polyvinyl Acetal (Single, Heavy, Triple and 105 X — 80 Quad) MW 16-C Polyimide (Single Heavy, Triple, and Quadruple) 240 X — 81 MW 18-A Polyvinyl Acetal (Heavy and Quadruple) 105 — X 82 MW 18-C Polyvinyl Acetal (Heavy and Quadruple) 105 — X 83 MW 19-C Polyvinyl Acetal with Self-bonding Overcoat 105 X — 84 (Types 1, 2 and 3) MW 20-C Polyimide (Heavy and Quadruple) 240 — X 85 MW 24-A Polyester (amide) (imide) Overcoated with 155 X — 86 Polyamide (Single and Heavy) MW 24-C Polyester (amide) (imide) Overcoated with 155 X — 87 Polyamide (Single, Heavy and Triple) MW 26-C Polyester (imide) for Solderable Applications 155 X — 88 (Single and Heavy) MW 27-C Polyester (imide) Overcoated with Polyamide for 155 X — 89 Solderable Applications (Single and Heavy) MW 28-A Polyurethane Overcoated with Polyamide for 130 X — 90 Solderable Applications (Single and Heavy) MW 28-C Polyurethane Overcoated with Polyamide for 130 X — 91 Solderable Applications (Single and Heavy) MW 29-C Polyurethane Overcoated with Polyamide and 105 X — 92 Self-Bonding Overcoated for Solderable Applications (Types 1 and 2) OBSOLETE EFFECTIVE DEC. 21, 2013 MW 30-C Polyester (amide) (imide) (Single, Heavy, and 180 X — 93 Triple) MW 31-A Paper Covered 90 or X 94 105 MW 31-C Paper Covered 90 or X — 95 105 MW 33-A Paper Covered Bare Rectangular and Square 90 or — X 96 105 MW 33-C Paper Covered Bare Rectangular and Square 90 or — X 97 105 MW 35-A Polyester (amide) (imide) Overcoated with 220 X — 98 Polyamideimide (Single and Heavy) MW 35-C Polyester (amide) (imide) Overcoated with 200 X — 99 Polyamideimide (Single, Heavy Triple, and Quad) MW 36-A Polyester (amide) (imide) Overcoated with 220 — X 100 Polyamideimide (Heavy and Quadruple) © 2014 National Electrical Manufacturers Association MW 1000-2014 Part 0, Page 7 Part 2 PROPERTIES AND REQUIREMENTS Specification Thermal Round Rectangular Page Number Class and Square No. MW 36-C Polyester (amide) (imide) Overcoated with 200 — X 101 Polyamideimide (Heavy and Quadruple) MW 37-C Polyester (amide) (imide) Overcoated with 220 X — 102 Polyamideimide (Single, Heavy and Triple) MW 38-C Polyester (amide) (imide) Overcoated with 220 — X 103 Polyamideimide (Heavy and Quadruple) MW 41-C Glass Fiber Covered (Single and Double) 155 X — 104 MW 42-C Glass Fiber Covered (Single and Double) 155 — X 105 MW 43-C Glass Fiber Covered Silicone Treated 200 — X 106 (Single and Double) MW 44-C Glass Fiber Covered Silicone Treated 200 X — 107 (Single and Double) MW 45-C Polyester Glass Fiber Covered 155 X — 108 (Single and Double) MW 46-C Polyester Glass Fiber Covered 155 — X 109 (Single and Double) MW 47-C Polyester Glass Fiber Covered Silicone Treated 200 X — 110 (Single and Double) MW 48-C Polyester Glass Fiber Covered Silicone Treated 200 — X 111 (Single and Double) MW 50-C Glass Fiber Covered, High Temperature 180 X — 112 Organic Varnish Treated (Single and Double) MW 51-C Polyester Glass Fiber Covered, High 180 X — 113 Temperature Organic Varnish Treated (Single and Double) MW 52-C Glass Fiber Covered, High Temperature 180 — X 114 Organic Varnish Treated (Single or Double) MW 53-C Polyester Glass Fiber Covered, High 180 — X 115 Temperature Organic Varnish Treated (Single and Double) MW 60-A Aromatic Polyamide Paper Covered (Paper) 220 — X 116 MW 60-C Aromatic Polyamide Paper Covered (Paper) 220 — X 117 MW 61-A Aromatic Polyamide Paper Covered (Paper) 220 X — 118 MW 61-C Aromatic Polyamide Paper Covered (Paper) 220 X — 119 MW 64-C Aromatic Polyimide Tape Covered 240 — X 120 MW 65-C Aromatic Polyimide Tape Covered 240 X — 121 MW 72-C Polyester (amide) (imide) for Hermetic 180 X — 122 Applications (Heavy) MW 73-A Polyester (amide)(imide) Overcoated with 220 X — 123 Polyamideimide for Hermetic Applications (Heavy) MW 73-C Polyester (amide)(imide) Overcoated with 200 X — 124 Polyamideimide for Hermetic Applications (Heavy, Triple, and Quad) © 2014 National Electrical Manufacturers Association MW 1000-2014 Part 0, Page 8 Part 2 PROPERTIES AND REQUIREMENTS Specification Thermal Round Rectangular Page Number Class and Square No. MW 74-A Polyester (amide) (imide) (Single and Heavy) 220 X — 125 MW 74-C Polyester (amide) (imide) (Single and Heavy) 200 X — 126 MW 75-C Polyurethane for Solderable Applications 130 X — 127 (Single and Heavy) MW 76-A Polyester (amide) (imide) Overcoated with 180 X — 128 Polyamide (Single and Heavy) MW 76-C Polyester (amide) (imide) Overcoated with 180 X — 129 Polyamide (Single, Heavy, and Triple) MW 77-C Polyester (imide) for Solderable Applications 180 X — 130 (Single and Heavy) MW 78-C Polyester (imide) Overcoated with Polyamide for 180 X — 131 Solderable Applications (Single and Heavy) MW 79-C Polyurethane for Solderable Applications 155 X — 132 (Single, Heavy and Triple) MW 80-A Polyurethane Overcoated With Polyamide For 155 X — 133 Solderable Applications (Single and Heavy) MW 80-C Polyurethane Overcoated with Polyamide for 155 X — 134 Solderable Applications (Single, Heavy, Triple) MW 81-C Polyamideimide (Single and Heavy) 220 X — 135 MW 82-C Polyurethane for Solderable Applications 180 X — 136 (Single, Heavy and Triple) MW 83-C Polyurethane Overcoated
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