1、NEMA Standards PublicationNational Electrical Manufacturers AssociationNEMA HP 7-2011Electrical and Electronic PVC, PVC/Nylon, and PE/Nylon 105C Hook-Up Wire, Types B, C, D, BN, CN, and DN (600, 1000, and 3000 V), and Types J and JN 75C (600V)NEMA Standards Publication HP 7-2011 Electrical and Elect
2、ronic PVC, PVC/Nylon, and PE/Nylon 105C Hook-Up Wire, Types B, C, D, BN, CN, and DN (600, 1000, and 3000 V), and Types J and JN 75C (600V) Published by: National Electrical Manufacturers Association 1300 North 17th Street, Suite 1752 Rosslyn, Virginia 22209 www.nema.org Copyright 2011 by the Nationa
3、l 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 DISCLAIME
4、R 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 devel
5、opment 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 t
6、he 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 comp
7、leteness 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 indirectl
8、y 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
9、 will fulfill any of your particular purposes or needs. NEMA does not undertake to guarantee the performance of any individual manufacturer or sellers products or services by virtue of this standard or guide. In publishing and making this document available, NEMA is not undertaking to render profess
10、ional 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
11、 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 p
12、ower, 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 safetyrelated information i
13、n this document shall not be attributable to NEMA and is solely the responsibility of the certifier or maker of the statement. NEMA HP 7-2011 Page i Copyright 2011 by the National Electrical Manufacturers Association CONTENTS Page Foreword iii Section 1 GENERAL 1.1 Scope . 1 1.2 Referenced Standards
14、 and Specifications 1 1.3 Recommended Uses of Wire Types 3 1.3.1 Type B 3 1.3.2 Type C 3 1.3.3 Type D 3 1.3.4 Type BN 3 1.3.5 Type CN 3 1.3.6 Type DN 3 1.3.7 Type J . 3 1.3.8 Type JN. 3 1.4 Part Identification Number (PIN) 3 Section 2 CONDUCTORS 2.1 Conductor Materials 6 2.2 Conductor Coatings . 6 2
15、.2.1 Tin-Coated Conductors 6 2.2.2 Silver-Coated Conductors 6 2.3 Stranding . 6 2.4 Minimum Wire Diameter 6 2.5 Conductor Splices . 6 Section 3 INSULATION 3.1 General 9 3.2 PVC, PVC/Polyamide, PE, and PE/Polyamide Insulation . 9 Section 4 WIRE IDENTIFICATION 4.1 Circuit Identification . 14 4.1.1 Lay
16、 of Stripes 14 4.2 Identification by Printing 14 4.2.1 Identification of Product 14 Section 5 PHYSICAL AND ELECTRICAL REQUIREMENTS 5.1 General 15 5.2 Quality Conformance Inspection of Finished Product . 15 5.2.1 Definitions . 15 5.2.2 Sampling Inspection . 15 5.3 Workmanship . 15 5.4 Materials Certi
17、fication 15 NEMA HP 7-2011 Page ii Copyright 2011 by the National Electrical Manufacturers Association Section 6 TEST PROCEDURES 6.1 Physical Tests 17 6.1.1 Test Temperature . 17 6.1.2 Heat Resistance . 17 6.1.3 Insulation Tensile Strength and Elongation 17 6.1.4 Dimensional Inspection 17 6.1.5 Cold
18、 Bend . 18 6.1.6 Heat Aging 19 6.2 Electrical Tests 19 6.2.1 Conductor Resistance 19 6.2.2 Spark or Impulse Test 19 6.2.3 Dielectric Strength 19 6.2.4 Insulation Resistance . 20 6.2.5 Surface Resistance (for wires with outer braid only) 20 Section 7 NOTES 7.1 Packing Requirements 21 7.2 Labeling . 2
19、1 7.3 Lengths 21 Section 8 ORDERING DATA 8.1 Ordering Information 22 TABLES 1-1 Conductor Material and Coating . 4 1-2 AWG Nominal Conductor Size . 4 1-3 Number of Strands 4 1-4 Color (See Clause 4.1) . 5 2-1 Tin-Coated Conductor Specifications7 2-2 Silver-Coated Conductor Specifications8 3-1 Dimens
20、ions-All Type Wires (All Dimensions in Inches) 9 3-2 Outside Diameter Increase Due to Braid 13 4-1 Length of Lay of Stripes 14 5-1 Physical and Electrical Requirements for Types B, BN, C, CN, D, DN, J, and JN Wires 16 6-1 Cold Bend Mandrel Sizes, Type B and BN 18 6-2 Cold Bend Mandrel Sizes, Type C
21、and CN 18 6-3 Cold Bend Mandrel Sizes, Type D and DN 19 6-4 Cold Bend Mandrel Sizes, Type J and JN 19 7-1 Minimum Lengths . 21 NEMA HP 7-2011 Page iii Copyright 2011 by the National Electrical Manufacturers Association FOREWORD This standard publication was developed by the NEMA High Performance Wir
22、e and Cable Section. It was developed to assure that these types of hook-up wire can be procured and that they will meet requirements associated with high reliability commercial electrical and electronic equipment in which it is used. Compliance with provisions of this Standards Publication is stric
23、tly voluntary and any certification of compliance is left to the discretion of the buyer and seller. This Standards Publication was designed as a non-government standard for replacement of the following MIL-W-16878 insulated wire slant sheets: /1 through /3, /10, /17 through /19, and /33. This Stand
24、ards Publication was developed by the High Performance Wire and Cable Section of NEMA. Section approval of the standard does not necessarily imply that all section members voted for its approval or participated in its development. At the time it was approved, the section was composed of the followin
25、g members: AFC Cable Systems, Inc. a part of Atkore International New Bedford, MA Apical Division, Kaneka Texas Corporation Pasadena, TX Belden St. Louis, MO Cable USA, Inc. Naples, FL Champlain Cable Corporation Colchester, VT Coleman Cable, Inc. Waukegan, IL Freeport-McMoRan Copper and Gold Phoeni
26、x, AZ General Cable Highland Heights, KY Harbour Industries LLC Shelburne, VT IWG High Performance Conductors Inman, SC Leoni Wire, Inc. Chicopee, MA Marmon Innovation and Technology Group Seymour, CT Prestolite Wire and Cable Southfield, MI Quirk Wire Company, Inc. West Brookfield, MA Radix Wire Co
27、mpany Euclid, OH RSCC Wire and Cable Group East Granby, CT Rubadue Wire Co., Inc. Greeley, CO Southwire Company Carrolton, GA TE Connectivity Ltd., a Tyco Electronics Corporation Menlo Park, CA The Monroe Cable Company, Inc. Middletown, NY The Okonite Company Ramsey, NJ NEMA HP 7-2011 Page iv Copyri
28、ght 2011 by the National Electrical Manufacturers Association NEMA HP 7-2011 Page 1 Copyright 2011 by the National Electrical Manufacturers Association Section 1 GENERAL 1.1 SCOPE This Standard Publication covers specific requirements for PVC, PVC/polyamide, PE, and PE/polyamide insulated stranded w
29、ire, designed to the internal wiring of high reliability electrical and electronic equipment. This Standards Publication addresses 600 volt (Type B, BN, J, and JN), 1000 volt (Type C and CN) and 3000 volt (Type D and DN) wire and permits continuous operating temperature ratings of -55C up to 105C (t
30、ypes B, C, D, BN, CN, and DN) or 75C (types J and JN) with either tin or silver coated conductors. 1.2 REFERENCE STANDARDS AND SPECIFICATIONS American Society for Quality Control 611 E. Wisconsin Ave. Milwaukee, WI 53202 ANSI/ASQC Z1.4 Sampling Procedures and Tables for Inspection by Attributes Amer
31、ican Society for Testing and Materials (ASTM) 100 Barr Harbor Drive West Conshohocken, PA 19428-2959 B 286-07 Copper Conductors for Use in Hook-Up Wire for Electronics B 298-07 Silver Coated Soft or Annealed Copper Wire B 3-01 Soft or Annealed Copper Wire D 3032-98 Methods of Testing Hook-Up Wire In
32、sulation B 33-04 Tinned Soft or Annealed Copper Wire DODISS-Customer Service Bldg. 4D 700 Robbins Ave. Philadelphia, PA 19111-5094 MIL-STD-2223 Test Methods for Insulated Electronic Wire Electronics Industries Association 2500 Wilson Blvd. Arlington, VA 22201 EIA-359-A-85 EIA Standard Colors for Col
33、or Identification and Coding NEMA HP 7-2011 Page 2 Copyright 2011 by the National Electrical Manufacturers Association National Electrical Manufacturers Association 1300 North 17th Street, Suite 1752 Rosslyn, VA 22209 WC-56-1993 (R2000) 3.0 kHz Insulation Continuity Proof Testing of Hook-Up Wire WC
34、67 Standard for Uninsulated Conductors Used in Electrical and Electronic ApplicationsNEMA HP 7-2011 Page 3 Copyright 2011 by the National Electrical Manufacturers Association 1.3 RECOMMENDED USES OF WIRE TYPES 1.3.1 Type B Type B wire is intended for use in 600 V, low temperature applications. 1.3.2
35、 Type C Type C wire is intended for use in 1000 V, low temperature applications. 1.3.3 Type D Type D wire is intended for use in 3000 V, low temperature applications. 1.3.4 Type BN Type BN wire is intended for use 600 V, low temperature applications where enhanced abrasion resistance is required. 1.
36、3.5 Type CN Type CN wire is intended for use 1000 V, low temperature applications where enhanced abrasion resistance is required. 1.3.6 Type DN Type DN wire is intended for use 3000 V, low temperature applications where enhanced abrasion resistance is required. 1.3.7 Type J Type J wire is intended f
37、or use 600 V, low temperature applications. 1.3.8 Type JN wire is intended for use 600 V, low temperature application where enhanced abrasion resistance is required. 1.4 PART IDENTIFICATION NUMBER (PIN) The part numbers shall be of the following form: HP 7(Type) (Conductor Material)(AWG Size) (Condu
38、ctor Stranding) (Color Code) NEMA STANDARD Example: For PVC insulated wire HP 7B-BGB-9 TYPE B, C, D, BN, CN, DN, J, and JN PVC, Type B, Tin Coated Copper, 20 AWG, 7 Strands, White As described above NEMA HP 7-2011 Page 4 Copyright 2011 by the National Electrical Manufacturers Association Table 1-1 C
39、ONDUCTOR MATERIAL AND COATING Letter Conductor Material and Coating B Tin-Coated Copper D Silver-Coated High Strength Copper Alloy C Tin-Coated Copper Clad Steel Table 1-2 AWG NOMINAL CONDUCTOR SIZE AWG Letter 32 A 30 B 28 C 26 D 24 E 22 F 20 G 18 H 16 J 14 K 12 L 10 M 8 N 6 P 4 R 2 S 1 T 0 U 00 W 0
40、00 Y 0000 Z Table 1-3 NUMBER OF STRANDS Letter Number of Strands A 1 B 7 C 10 D 16 E 19 F 26 G 37 H 41 J 65 K 105 L 133 M 168 N 259 P 665 R 817 S 1045 T 1330 V 1672 W 2109 NEMA HP 7-2011 Page 5 Copyright 2011 by the National Electrical Manufacturers Association Table 1-4 COLOR (See Clause 4.1) Color
41、 Number Designator Color Number Designator Black 0 Green 5 Brown 1 Blue 6 Red 2 Violet 7 Orange 3 Gray 8 Yellow 4 White 9 NEMA HP 7-2011 Page 6 Copyright 2011 by the National Electrical Manufacturers Association Section 2 CONDUCTORS 2.1 CONDUCTOR MATERIALS The base conductor material shall be compos
42、ed of soft or annealed copper conforming to ASTM B3, or copper covered steel or high strength copper alloy in accordance with WC 67. Conductor strands shall be individually coated. The addition of the coating material after stranding shall not be permitted. 2.2 CONDUCTOR COATINGS 2.2.1 Tin-Coated Co
43、nductors Tin coated conductors may be employed for applications up to conductor temperatures of 150C. The conductor shall be tested prior to stranding for continuity of coating in accordance with ASTM B 33. 2.2.2 Silver-Coated Conductors Silver coated conductors may be employed for applications up t
44、o conductor temperatures of 200C. The silver coating shall be commercially pure silver and not less than 40 m in thickness for copper and copper alloy. The conductor shall be tested prior to stranding for continuity of coating and coating thickness in accordance with ASTM B 298. 2.3 STRANDING Strand
45、ing shall be in accordance with Table 2. The lay length of the outer layer shall be 8 to 16 times the maximum conductor diameter. All requirements for stranded conductors not specified in Table 2, shall be in accordance with the applicable requirements of ASTM B 286. 2.4 MINIMUM CONDUCTOR DIAMETER M
46、inimum conductor diameter shall be controlled by maximum dc resistance per Table 2. 2.5 CONDUCTOR SPLICES Splices shall not be made in a stranded conductor as a whole; however, individual strands may be spliced. Splices shall be made by cold welding, electro welding or brazing with silver compositio
47、n solder. NEMA HP 7-2011 Page 7 Copyright 2011 by the National Electrical Manufacturers Association Table 2-1 Tin-Coated Conductor Specifications Size (AWG) Stranding Single End Strand Dia. Nominal (in) Nominal CMA Conductor Diameter (Nominal) Conductor Diameter (Maximum) Max. DC RESISTANCE Ohms/100
48、0 ft T.C. Max. DC RESISTANCE Ohms/1000 ft S.C 32 1 X 32 .0080 64 .0075 .0090 178.0 169.0 32 7 X 40 .0031 67 .0088 .0110 189.0 173.0 32 19 X 44 .002 76 .0090 .0115 178.1 165.9 30 1 X 30 .010 100 .0095 .0110 116.0 108.0 30 7 X 38 .004 112 .0110 .0130 100.70 114.10 30 19 X 42 .0025 119 .0120 .0140 109.
49、40 101.90 28 1 X 28 .0126 159 .0120 .0130 70.00 68.0 28 7 X 36 .005 175 .0140 .0160 68.60 63.80 28 19 X 40 .0031 183 .0160 .0170 67.64 63.06 26 1 X 26 .0159 253 .0150 .0170 45.30 42.70 26 7 X 34 .0063 278 .0180 .0200 43.40 40.50 26 19 X 38 .004 304 .0180 .0220 41.30 38.40 24 1 X 24 .0201 404 .0190 .0220 27.80 26.80 24 7 X 32 .008 448 .0230 .0250 27.00 25.20 24 19 X 36 .005 475 .0230 .0270 26.20 24.30 22 1 X 22 .0253 640 .0240 .0
