ASTM-B738 2008(Redline)

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B738-03(2008) Standard Specification for Fine-Wire Bunch-Stranded and Rope-Lay Bunch-Stranded Copper Conductors for Use as Electrical Conductors (Redline)

Published By	Publication Date	Number of Pages
ASTM	2008	7

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Category: ASTM

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Description

Abstract

This specification deals with bare fine-wire bunch-stranded and rope-lay bunch-stranded copper conductors made from round copper wires finer than No. 40 AWG, either coated or uncoated with tin or silver, for use as electrical conductors. The conductor types covered in this specification are designated Type B for bunch-stranded conductors, and Type R for rope-lay bunch-stranded conductors. On the other hand, the wire classifications are assigned as: Class R, stranded conductors using wire 42 AWG; Class S, stranded conductors using wire 44 AWG; Class T, stranded conductors using wire 46 AWG; Class U, stranded conductors using wire 48 AWG; and Class V, stranded conductors using wire 50 AWG. Wires shall undergo tests that shall evaluated their conformance to physical and electrical properties such as wire cross-sectional area and diameter, coating thickness, tensile strength, elongation, and DC resistance.

This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

1. Scope

1.1 This specification covers bare bunch-stranded and rope-lay bunch-stranded conductors made from round copper wires finer than No. 40 AWG with diameters less than 0.0031 in. (.078 mm), either coated or uncoated with tin or silver, for use as electrical conductors. (Explanatory Note 1).

1.2 The values (SI units) for density and temperature are regarded as the standard. For all other properties the inch-pound values are to be regarded as standard, and the SI units may be approximate.

2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

B33 Specification for Tin-Coated Soft or Annealed Copper Wire for Electrical Purposes B49 Specification for Copper Rod Drawing Stock for Electrical Purposes B172 Specification for Rope-Lay-Stranded Copper Conductors Having Bunch-Stranded Members, for Electrical Conductors B174 Specification for Bunch-Stranded Copper Conductors for Electrical Conductors B193 Test Method for Resistivity of Electrical Conductor Materials B258 Specification for 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 B354 Terminology Relating to Uninsulated Metallic Electrical Conductors

Keywords

copper electrical conductor; electrical conductor; electrical conductor — copper; fine-wire bunch-stranded conductor; rope-lay bunch-stranded conductor; stranded conductor; Bunch-stranded electrical conductors; Fine-wire bunch-stranded conductor; Rope-lay-stranded copper conductors; Stranded copper electrical conductors–specifications;

ICS Code

ICS Number Code 29.050 (Superconductivity and conducting materials)

DOI: 10.1520/B0738-03R08 ASTM International is a member of CrossRef.

ASTM B738 (Electrical Standards and Magnetic Conductor Standards)

Citing ASTM Standards

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Additional information

Standard Title	B738-03(2008) Standard Specification for Fine-Wire Bunch-Stranded and Rope-Lay Bunch-Stranded Copper Conductors for Use as Electrical Conductors (Redline)
Published Code	ASTM
Publication Date	2008
Pages Count	7

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ASTM-B738 2008(Redline)

ASTM B738 (Electrical Standards and Magnetic Conductor Standards)

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