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ASTM B286-20

(Specification)

Standard Specification for Copper Conductors for Use in Hookup Wire for Electronic Equipment

Standard Specification for Copper Conductors for Use in Hookup Wire for Electronic Equipment

ABSTRACT
This specification covers uninsulated metallic-coated copper conductors for use in hookup wire for electronic equipment. The coating of the solid conductors and the wires composing stranded conductors shall conform to the coating requirements. Unless otherwise specified, all coated conductors shall be furnished in the annealed temper. The elongation of Type I conductors shall be as specified in the reference material. For Type II stranded conductors 22 AWG and smaller, the test shall be performed on the whole conductor and the elongation measured when the first strand of the conductor breaks. Solid conductors shall conform to the requirements for Type I conductors, while stranded conductors shall conform to the requirements for Type II conductors. The direction and length of lay of the outside layer of stranded conductors are presented. The test methods to determine the conformance to coating, elongation, and electrical resistance requirements are presented in details.
SCOPE
1.1 This specification covers uninsulated metallic-coated copper conductors for use in hookup wire for electronic equipment.  
1.2 The SI values for density are to be regarded as standard. For all other properties, the inch-pound values are to be regarded as the standard.  
1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

General Information

Status
Published
Publication Date
31-Oct-2020
ICS
29.060.10 - Wires
Technical Committee
B01 - Electrical Conductors
Drafting Committee
B01.04 - Conductors of Copper and Copper Alloys
Current Stage
Ref Project

Relations

Refers
ASTM B33-10(2020)e1 - Standard Specification for Tin-Coated Soft or Annealed Copper Wire for Electrical Purposes
Effective Date
01-Jan-2020

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REDLINE ASTM B286-20 - Standard Specification for Copper Conductors for Use in Hookup Wire for Electronic EquipmentREDLINE ASTM B286-20 - Standard Specification for Copper Conductors for Use in Hookup Wire for Electronic Equipment
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Standards Content (Sample)

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation:B286 −20
Standard Specification for
Copper Conductors for Use in Hookup Wire for Electronic
1
Equipment
This standard is issued under the fixed designation B286; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope B355 SpecificationforNickel-CoatedSoftorAnnealedCop-
per Wire
1.1 This specification covers uninsulated metallic-coated
copper conductors for use in hookup wire for electronic
3. Ordering Information
equipment.
3.1 Orders for material under this specification shall include
1.2 The SI values for density are to be regarded as standard.
the following information:
For all other properties, the inch-pound values are to be
3.1.1 Quantity of each size, designation (Table 1) and type,
regarded as the standard.
3.1.2 Conductor size, designation, construction, and type
1.3 This international standard was developed in accor- (Table 1).
dance with internationally recognized principles on standard- 3.1.3 Whether tin, lead alloy, silver-coated, or nickel-coated
ization established in the Decision on Principles for the (see 4.1).
Development of International Standards, Guides and Recom- 3.1.4 For silver-coated conductors and nickel-coated
mendations issued by the World Trade Organization Technical conductors, class of coating (see 4.1), and when required,
Barriers to Trade (TBT) Committee. unannealed (see 4.2),
3.1.5 Desired constructions where alternates are given
2. Referenced Documents
(Table 1, Type II and, 5.1, 6.1, and 6.2),
3.1.6 Package size (Section 12).
2.1 The following documents of the issue in effect on date
3.1.7 Special package marking if required (Section 11), and
of material purchase form a part of this specification to the
3.1.8 Place of inspection (Section 10).
extent referenced herein:
2
2.2 ASTM Standards:
4. General Requirements
B33 Specification for Tin-Coated Soft or Annealed Copper
4.1 Coating of Wires—The coating of the solid conductors
Wire for Electrical Purposes
and the wires composing stranded conductors (before strand-
B189 Specification for Lead-Coated and Lead-Alloy-Coated
ing) shall conform to the coating requirements of ASTM
Soft Copper Wire for Electrical Purposes
Specifications B33, B189, B298, and B355, as indicated on the
B193 Test Method for Resistivity of Electrical Conductor
purchase order.
Materials
4.2 Temper—Unless otherwise specified, all coated conduc-
B258 Specification for Standard Nominal Diameters and
tors shall be furnished in the annealed temper. When so
Cross-Sectional Areas of AWG Sizes of Solid Round
specified, silver-coated conductors or nickel-coated conductors
Wires Used as Electrical Conductors
shall be furnished unannealed (Explanatory Note 1).
B298 Specification for Silver-Coated Soft orAnnealed Cop-
per Wire
NOTE 1—The term unannealed as used in this specification means
cold-worked conductor as produced on commercial wire-drawing ma-
chines.
1
This specification is under the jurisdiction of ASTM Committee B01 on
4.3 Elongation—The elongation of annealedType I conduc-
Electrical Conductors and is the direct responsibility of Subcommittee B01.04 on
tors shall be as specified in Specifications B33, B189, B298,
Conductors of Copper and Copper Alloys.
and B355 as applicable.The elongation of stranded conductors
Current edition approved Nov. 1, 2020. Published November 2020. Originally
shall be permitted to vary from the requirements of the
approved in 1954. Last previous edition approved in 2017 as B286 – 07 (2017).
DOI: 10.1520/B0286-20.
applicable Specifications: B33, B189, B298, and B355 by the
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
following amounts:
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
4.3.1 For stranded conductors 22AWG and smaller, the test
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. shall be performed on the whole conductor and the elongation
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
B286−20
2
TABLE 1 Details of Conductor Construction
Type I (Solid Conductors)
D-C Resistance at 20°C,Ω/1000 ft, max (Explanatory Note 2)
Size Nominal
Nominal
Annealed
Designation, Area,
Annealed Tin or Class 2 Class 10 Class 27
Diameter, in.
Silver
A
AWG cmils
Lead
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: B286 − 07 (Reapproved 2017) B286 − 20
Standard Specification for
Copper Conductors for Use in Hookup Wire for Electronic
1
Equipment
This standard is issued under the fixed designation B286; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope
1.1 This specification covers uninsulated metallic-coated copper conductors for use in hookup wire for electronic equipment.
1.2 The SI values for density are to be regarded as standard. For all other properties, the inch-pound values are to be regarded as
the standard.
1.3 This international standard was developed in accordance with internationally recognized principles on standardization
established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued
by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents
2.1 The following documents of the issue in effect on date of material purchase form a part of this specification to the extent
referenced herein:
2
2.2 ASTM Standards:
B33 Specification for Tin-Coated Soft or Annealed Copper Wire for Electrical Purposes
B189 Specification for Lead-Coated and Lead-Alloy-Coated Soft Copper Wire for Electrical Purposes
B193 Test Method for Resistivity of Electrical Conductor Materials
B258 Specification for Standard Nominal Diameters and Cross-Sectional Areas of AWG Sizes of Solid Round Wires Used as
Electrical Conductors
B298 Specification for Silver-Coated Soft or Annealed Copper Wire
B355 Specification for Nickel-Coated Soft or Annealed Copper Wire
3. Ordering Information
3.1 Orders for material under this specification shall include the following information:
3.1.1 Quantity of each size, designation (Table 1) and type,
1
This specification is under the jurisdiction of ASTM Committee B01 on Electrical Conductors and is the direct responsibility of Subcommittee B01.04 on Conductors
of Copper and Copper Alloys.
Current edition approved May 15, 2017Nov. 1, 2020. Published May 2017November 2020. Originally approved in 1954. Last previous edition approved in 20122017 as
B286 – 07 (2012).(2017). DOI: 10.1520/B0286-07R17.10.1520/B0286-20.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
B286 − 20
2
TABLE 1 Details of Conductor Construction
Type I (Solid Conductors)
D-C Resistance at 20°C, Ω/1000 ft, max (Explanatory Note 2)
Size Nominal
Nominal
Annealed
Designation, Area,
Annealed Tin or Class 2 Class 10 Class 27
Diameter, in.
Silver
A
AWG cmils
Lead-Alloy Coated Nickel Nickel Nickel
Coated
10 10380 0.1019 1.06 1.02 1.05 1.17 1.44
12 6530 0.0808 1.69 1.62 1.68 1.84 2.28
14 4110 0.0641 2.68 2.58 2.67 2.93 3.63
16 2580 0.0508 4.26 4.10 4.27 4.65 5.77
18 1620 0.0403 6.78 6.52 6.79 7.39 9.17
20 1020 0.0320 10.7 10.3 10.8 11.8 14.6
22 640 0.0253 17.2 16.5 17.3 18.8 23.3
24 404 0.0201 27.2 26.2 27.3 29.8 36.9
26 253 0.0159 44.5 41.9 43.8 47.5 58.9
28 159 0.0126 70.8 66.8 69.4 75.4 107.0
30 100 0.0100 114.0 106.0 110.0 120.0 149.0
Type II (Stranded Conductors)
Conductor Construction D-C Resistance at 20°C, Ω/1000 ft, max (Explanatory Note 2)
Nominal Calculated Length of Lay, Annealed
Maximum Annealed 50 to 100
Size Number Diameter of Cross- in. Tin or Class 10 Class 27
Allowable Silver μin.
B C
Designation of Wires Each Wire, Sectional (Explanatory Lead-Alloy Nickel Nickel
D E
Diameter, in. Coated of Nickel
in. Area, cmils Note 3) Coated
F
0000–2109 2109 0.0100 210 900 0.635 . 0.0576 0.0537 0.0559(2) 0.0610 0.0756
F
000–1672 1672 0.0100 167 200 0.545 . 0.0727 0.0677 0.0705(2) 0.0770 0.0954
F
00–1330 1330 0.0100 133 000 0.486 . 0.0914 0.0851 0.0887(2) 0.0967 0.120
F
0–1064 1064 0.0100 106 400 0.435 . 0.114 0.106 0.111(2) 0.121 0.150
F
0–1045 1045 0.0100 104 500 0.431 . 0.116 0.108 0.113(2) 0.123 0.153
F
1–836 836 0.0100 83 600 0.386 . 0.145 0.135 0.141(2) 0.154 0.191
E F E
1–817 817 0.0100
...

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1.2.1 For density, resistivity and temperature, the values stated in SI units are to be regarded as standard.
Note 1: The aluminum and temper designations conform to ANSI H35.1. Aluminum 1350 corresponds to Unified Numbering System A91350 in accordance with Practice E527.  
1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM
ASTM B48-00(2021)e1(Specification)
Standard Specification for Soft Rectangular and Square Bare Copper Wire for Electrical Conductors

ABSTRACT
This specification covers soft or annealed bare copper wire, rectangular or square in shape with rounded corners. For the purpose of this specification, the wire shall be classified as Type A and Type B. The wire shall be annealed after the last drawing or rolling to size and shape, and shall be processed as to produce a uniformly soft product with a clean surface. The finished wire shall not contain joints except such as have passed through drawing dies. Necessary joints in the wire and rods prior to final drawing shall be made in accordance with good commercial practice. Material dimensions, such as thickness and width, shall not vary from that specified by more than the amounts prescribed. The wire shall conform to the requirements for rounded corners and rounded edges. The material shall undergo physical tests, and shall conform to the elongation and bending requirements. For the purpose of this specification, all wire dimensions and properties shall be considered ac occurring at the internationally standardized reference temperature. Nominal cross-sectional areas shall be calculated by subtracting the area reductions due to rounded corners or rounded edges. Nominal mass/unit length and lengths shall be calculated from the nominal wire dimensions in accordance with the following equations and shall be rounded off in the final value only. Electrical resistivity shall be determined on representative samples by resistance measurements. Tests to determine conformance to electrical resistance requirements shall be made on the uninsulated conductor.
SCOPE
1.1 This specification covers soft or annealed bare copper wire, rectangular or square in shape with rounded corners (Explanatory Note 1).  
1.2 For the purpose of this specification, the wire is classified as follows:  
1.2.1 Type A—For all applications except those involving edgewise bending.  
1.2.2 Type B—For applications involving edgewise bending. Type B wire of thickness less than 0.020 in. (0.51 mm) or with a ratio of width to thickness greater than 30 to 1 is not contemplated in this specification.  
1.3 Unless otherwise specified by the purchaser, Type A material shall be furnished.  
1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard; except for Sections 12 and 13.  
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

  • Technical specification
    6 pages
    English language
    sale 15% off