ASTM B835-04

Standard Specification for Compact Round Stranded Copper Conductors Using Single Input Wire Construction

ABSTRACT
This specification deals with bare compact round stranded conductors made from uncoated copper wires of a single input wire diameter for general use in covered or insulated electrical wires or cables. Welds and brazes may be made in rods or in wires. The length and direction of lay are specified. The construction requirements of compact round single input wire-stranded copper conductors are also detailed. The mass and electrical resistance of the conductor shall be determined. Tests for the physical and electrical properties of wires shall be made.
SCOPE
1.1 This specification covers bare compact round stranded conductors made from uncoated copper wires of a single input wire (SIW) diameter for general use in covered or insulated electrical wires or cables. These conductors shall be constructed with one or more layers of helically laid compacted wires (Explanatory Note 1, Note 2, and Note 3).
1.2 The values stated in inch-pound or SI units are to be regarded separately as standard. The values in each system are not exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.
1.2.1 For density, resistivity and temperature, the values stated in SI units are to be regarded as standard.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

General Information

• Status: Historical
• Publication Date: 31-Aug-2004
• Technical Committee: B01 - Electrical Conductors
• Drafting Committee: B01.04 - Conductors of Copper and Copper Alloys

Relations

• Replaces: ASTM B835-00 - Standard Specification for Compact Round Stranded Copper Conductors Using Single Input Wire Construction
• Effective Date: 01-Sep-2004
• Replaced By: ASTM B835-04(2009) - Standard Specification for Compact Round Stranded Copper Conductors Using Single Input Wire Construction
• Effective Date: 01-Oct-2009
• Referred By: ASTM B226-11(2021) - Standard Specification for Cored, Annular, Concentric-Lay-Stranded Copper Conductors
• Effective Date: 01-Sep-2004

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information.
Designation: B835 – 04
Standard Specification for
Compact Round Stranded Copper Conductors Using Single
1
Input Wire Construction
This standard is issued under the fixed designation B835; 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.
1. Scope NBS Handbook 100—Copper Wire Tables
1.1 This specification covers bare compact round stranded
3. Classification
conductors made from uncoated copper wires of a single input
3.1 The conductors described in this specification are in-
wire (SIW) diameter for general use in covered or insulated
tendedforsubsequentinsulationorcovering.Theclassification
electrical wires or cables. These conductors shall be con-
of these conductors is SIW compact.
structed with one or more layers of helically laid compacted
wires (Explanatory Note 1, Note 2, and Note 3).
4. Ordering Information
1.2 The values stated in inch-pound or SI units are to be
4.1 Orders for material in accordance with this specification
regarded separately as standard. The values in each system are
shall include the following information:
not exact equivalents; therefore, each system shall be used
4.1.1 Quantity of each size (Table 1);
independently of the other. Combining values from the two
4.1.2 Conductorsize,circular-milarea,orAWG(Section8);
systems may result in nonconformance with the specification.
4.1.3 Packaging (Section 15), if required;
1.2.1 For density, resistivity and temperature, the values
4.1.4 Special package marking; and
stated in SI units are to be regarded as standard.
4.1.5 Place of inspection (Section 14).
1.3 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
5. Requirements for Wires
responsibility of the user of this standard to establish appro-
5.1 Before stranding and compacting, the copper wire shall
priate safety and health practices and determine the applica-
meet all of the requirements of Specification B3.
bility of regulatory limitations prior to use.
6. Joints
2. Referenced Documents
6.1 Welds and brazes may be made in rods or in wires prior
2.1 The following documents of the issue in effect on date
to final drawing.
of material purchase form a part of this specification to the
6.2 Welds and brazes may be made in the individual wires
extent referenced herein.
for compact conductors, but they shall not be closer together
2
2.2 ASTM Standards:
than1ft(0.3m)forconductorof19wiresorlessorcloserthan
B3 Specification for Soft or Annealed Copper Wire
1 ft (0.3 m) in a layer for conductor of more than 19 wires.
B263 Test Method for Determination of Cross-Sectional
6.3 No joint or splice shall be made in a compact-stranded
Area of Stranded Conductors
conductor as a whole.
B354 Terminology Relating to Uninsulated Metallic Elec-
trical Conductors
7. Lay
3
2.3 NIST Document:
7.1 The length of lay shall not be less than 8 or more than
16 times the outside diameter of the completed conductor.
1
This specification is under the jurisdiction of ASTM Committee B01 on 7.2 The direction of lay of the outer layer shall be left-hand,
Electrical Conductors and is the direct responsibility of Subcommittee B01.04 on
and it may be reversed or unidirectional in successive layers.
Conductors of Copper and Copper Alloys.
7.3 Other lay requirements may be furnished upon special
Current edition approved Sept. 1, 2004. Published September 2004. Originally
agreement between the manufacturer and the purchaser.
approved in 1993. Last previous edition approved in 2000 as B835 – 00. DOI:
10.1520/B0835-04.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or 8. Construction
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
8.1 The construction of the compact round SIW stranded
Standards volume information, refer to the standard’s Document Summary page on
conductors shall be as given in Table 1.
the ASTM website.
3
Available from National Institute of Standards and Technology (NIST), 100
Bureau Dr., Stop 3460, Gaithersburg, MD 20899-3460.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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B835 – 04
TABLE 1 Construction Requirements of Compact Round SIW-Stranded Copper Conductors
Conductor Size Compact Conductor Diameter dc Resistance at 20°C
Minimum Mass/1000 ft, Mass/km,
2
Number of Wires lb/1000 ft kg/km
Circular, mils AWG mm in. mm V/1000 ft V/km
1 000 000 . 507 53 1.060 26.9 3086 4590 0.0106 0.0347
900 000 . 456 53 0.999 25.4 2780 4140 0.0118 0.0386
800 000 . 405 53 0.938 23.8 2469
...