ASTM B173-01

Standard Specification for Rope-Lay-Stranded Copper Conductors Having Concentric-Stranded Members, for Electrical Conductors

SCOPE
1.1 This specification covers bare rope-lay-stranded conductors having concentric-stranded members made from round copper wires, either uncoated or coated with tin, lead, or lead-alloy for use as electrical conductors (Explanatory Note 1 and Note 2).
1.2 Coated wires shall include only those wires with finished diameters and densities substantially equal to the respective diameters and densities of uncoated wires.
1.3 The values stated in inch-pound or SI units are to be regarded separately as standard. Each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the specification. For conductor sizes designated by AWG or kcmil, the requirements in SI units have been numerically converted from corresponding values, stated or derived, in inch-pound units. For conductor sizes designated by SI units only, the requirements are stated or derived in SI units.
1.3.1 For density, resistivity, and temperature, the values stated in SI units are to be regarded as standard.

General Information

• Status: Historical
• Publication Date: 09-Oct-2001
• ICS: 29.240.20 - Power transmission and distribution lines
• Technical Committee: B01 - Electrical Conductors
• Drafting Committee: B01.04 - Conductors of Copper and Copper Alloys

Relations

• Replaces: ASTM B173-95 - Standard Specification for Rope-Lay-Stranded Copper Conductors Having Concentric-Stranded Members, for Electrical Conductors
• Effective Date: 10-Oct-2001
• Replaced By: ASTM B173-01a - Standard Specification for Rope-Lay-Stranded Copper Conductors Having Concentric-Stranded Members, for Electrical Conductors
• Effective Date: 10-Oct-2001
• Referred By: ASTM F2249-23 - Standard Specification for In-Service Test Methods for Temporary Grounding Jumper Assemblies Used on De-Energized Electric Power Lines and Equipment
• Effective Date: 10-Oct-2001
• Referred By: ASTM B172-17 - Standard Specification for Rope-Lay-Stranded Copper Conductors Having Bunch-Stranded Members, for Electrical Conductors
• Effective Date: 10-Oct-2001
• Referred By: ASTM B8-11(2017) - Standard Specification for Concentric-Lay-Stranded Copper Conductors, Hard, Medium-Hard, or Soft
• Effective Date: 10-Oct-2001
• Referred By: ASTM F855-23 - Standard Specifications for Temporary Protective Grounds to Be Used on De-energized Electric Power Lines and Equipment
• Effective Date: 10-Oct-2001
• Referred By: ASTM F2321-23 - Standard Specification for Flexible and Rigid Insulated Temporary By-Pass Jumpers
• Effective Date: 10-Oct-2001
• Referred By: ASTM B226-11(2021) - Standard Specification for Cored, Annular, Concentric-Lay-Stranded Copper Conductors
• Effective Date: 10-Oct-2001

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: B 173 – 01
Standard Specification for
Rope-Lay-Stranded Copper Conductors Having Concentric-
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Stranded Members, for Electrical Conductors
This standard is issued under the fixed designation B 173; 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 (e) indicates an editorial change since the last revision or reapproval.
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1. Scope Area of Stranded Conductors
B 354 Terminology Relating to Uninsulated Metallic Elec-
1.1 This specification covers bare rope-lay-stranded con-
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trical Conductors
ductors having concentric-stranded members made from round
2.3 American National Standard:
copper wires, either uncoated or coated with tin, lead, or
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ANSI C42.35 Definitions of Electrical Terms
lead-alloy for use as electrical conductors (Explanatory Note 1
and Note 2).
3. Classification
1.2 Coated wires shall include only those wires with fin-
3.1 For the purpose of this specification rope-lay-stranded
ished diameters and densities substantially equal to the respec-
conductors having concentric-stranded members are classified
tive diameters and densities of uncoated wires.
as follows:
1.3 The values stated in inch-pound or SI units are to be
3.1.1 Class G—Conductors consisting of 7 to 61 rope-lay-
regarded separately as standard. Each system shall be used
stranded members, each of which consists of 7 to 19
independently of the other. Combining values from the two
concentric-stranded wires, with total conductor sizes ranging
systems may result in nonconformance with the specification.
2 2
from No. 14 AWG (2.08 mm ) to 5 000 000 cmil (2534 mm ).
For conductor sizes designated by AWG or kcmil, the require-
(Typical use is for rubber-sheathed conductor, apparatus con-
ments in SI units have been numerically converted from
ductor, portable conductor, and similar applications.)
corresponding values, stated or derived, in inch-pound units.
3.1.2 Class H—Conductors consisting of 19 to 91 rope-lay-
For conductor sizes designated by SI units only, the require-
stranded members, each of which consists of 7 to 19
ments are stated or derived in SI units.
concentric-stranded wires, with total conductor sizes ranging
1.3.1 For density, resistivity, and temperature, the values
2 2
from No. 9 AWG (6.63 mm ) to 5 000 000 cmil (2534 mm ).
stated in SI units are to be regarded as standard.
Class K construction produces a conductor with greater flex-
2. Referenced Documents ibility than class G. (Typical use is for rubber-sheathed cord
and applications where flexibility is required such as on
2.1 The following documents of the issue in effect at the
take-up reels over sheaves and extra-flexible apparatus con-
time of reference form a part of this specification to the extent
ductor.)
referenced herein:
2.2 ASTM Standards:
4. Ordering Information
2
B 3 Specification for Soft or Annealed Copper Wire
4.1 Orders for material under this specification shall include
B 8 Specification for Concentric-Lay-Stranded Copper
2 the following information:
Conductors, Hard, Medium-Hard, or Soft
4.1.1 Quantity of each size and class,
B 33 Specification for Tinned Soft or Annealed Copper
2 4.1.2 Conductor size: circular-mil area or AWG (Section 7),
Wire for Electrical Purposes
4.1.3 Class (Section 3 and Table 1),
B 172 Specification for Rope-Lay-Stranded Copper Con-
4.1.4 Whether coated or uncoated; if coated, designate type
ductors Having Bunch-Stranded Members, for Electrical
2 of coating (see 11.1),
Conductors
4.1.5 Details of special-purpose lays, if required (see 6.2
B 189 Specification for Lead-Coated and Lead-Alloy-
2 and 6.3) and (Explanatory Note 3),
Coated Soft Copper Wire for Electrical Purposes
4.1.6 Package size (see 14.1),
B 263 Test Method for Determination of Cross-Sectional
4.1.7 Special package marking, if required (Section 15),
4.1.8 Lagging, if required (see 14.2), and
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This specification is under the jurisdiction of ASTM Committee B01 on
4.1.9 Place of inspection (Section 13).
Electrical Conductors and is the direct responsibility of Subcommittee B01.04 on
Conductors of Copper and Copper Alloys.
Current edition approved Mar. 10, 2001. Published May 2001. Originally issued
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1942 to replace portions of B 158 – 41 T. Last previous edition B 173 – 95. Available from American National Standards Institute, 11 West 42nd St., 13th
2
Annual Book of ASTM Standards, Vol 02.03. Floor, New York, NY 10036.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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B 173
A
TABLE 1 Construction Requirements of Rope-Lay Stranded Copper Conductors Having Concentric-Stranded Members
Class G Class H
B B
Are
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