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This specification applies to concentric-lay-stranded conductors made from round aluminum-zirconium alloy wires and an aluminum matrix composite (AMC) core wire(s) for use as overhead electrical conductors. It covers ordering information, requirements for wires, joints and lay, construction requirements, rated strength of conductor, density, mass per unit length and electrical resistance, and cross-sectional area. The standard also addresses workmanship, finish, and appearance, together with mechanical as well as electrical and dimensional tests, tests and retests, inspection, and packaging and package marking.
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 concentric-lay-stranded conductors made from round aluminum-zirconium alloy wires and an aluminum matrix composite (AMC) core wire(s) for use as overhead electrical conductors (Explanatory Note 1 and Explanatory Note 2).
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the 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.
B263 Test Method for Determination of Cross-Sectional Area of Stranded Conductors
B354 Terminology Relating to Uninsulated Metallic Electrical Conductors
B682 Specification for Metric Sizes of Electrical Conductors
B941 Specification for Heat Resistant Aluminum-Zirconium Alloy Wire for Electrical Purposes
B976 Specification for Fiber Reinforced Aluminum Matrix Composite (AMC) Core Wire for Aluminum Conductors, Composite Reinforced (ACCR)
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
NIST DocumentNBS Handbook 100 --Copper Wire Tables
Aluminum Association DocumentsAluminum Association Guideline A Method of Stress-Strain Testing of Aluminum Conductors and ACSR and a Test Method for Determining the Long Time Creep of Aluminum Conductors in Overhead Lines Publication 50 Code Words for Overhead Aluminum Electrical Conductors
ICS Number Code 29.060.10 (Wires)
UNSPSC Code 11172000(Aluminum based alloys); 60124403(Aluminum wire)
ASTM B978 / B978M-14, Standard Specification for Concentric-Lay-Stranded Aluminum Conductors, Composite Reinforced (ACCR), ASTM International, West Conshohocken, PA, 2014, www.astm.orgBack to Top