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This specification covers bare compact round concentric-lay-stranded conductors made from uncoated round copper wires for general use for electrical purposes. Welds and brazes shall be made in rods and wires prior to final drawing. The conductors shall conform to the required construction values of nominal cross-sectional area, diameter, mass per unit length and dc electrical resistance. Tests for the physical and electrical properties of wires composing the conductors shall be made before stranding.
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.
1.1 This specification covers bare compact round concentric-lay-stranded conductors made from uncoated round copper wires for general use for electrical purposes. These conductors shall be constructed with a central core surrounded by one or more layers of helically laid compacted wires (Explanatory Note 1 and Note 2).
1.2 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.
1.2.1 For density, resistivity, and temperature, the values stated in SI units are to be regarded as standard.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
B3 Specification for Soft or Annealed Copper Wire
B263 Test Method for Determination of Cross-Sectional Area of Stranded Conductors
B354 Terminology Relating to Uninsulated Metallic Electrical Conductors
ICS Number Code 29.240.20 (Power transmission and distribution lines)
UNSPSC Code 26121517(Copper wire)
ASTM B496-14, Standard Specification for Compact Round Concentric-Lay-Stranded Copper Conductors, ASTM International, West Conshohocken, PA, 2014, www.astm.orgBack to Top