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ASTM B786/B786M-08(2023)
Standard Specification for 19 Wire Combination Unilay-Stranded Aluminum Conductors for Subsequent Insulation
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STANDARD published on 1.10.2023
The information about the standard:
Designation standards: ASTM B786/B786M-08(2023)
Publication date standards: 1.10.2023
SKU: NS-1155876
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: American technical standard
Category: Technical standards ASTM
The category - similar standards:
Annotation of standard text ASTM B786/B786M-08(2023) :
This specification covers the standard requirements for bare combination unilay-stranded conductors made from round wires of aluminum 1350 and 8000 series of aluminum alloys, for insulated conductors to be used for electrical purposes. Aluminum 1350 wires in tempers -H19, -H16 or -H26, -H14 or -H24, and -H142 or -H242 and 8000 series aluminum alloy wires in tempers “0” and H1X or H2X are permitted. These conductors shall be constructed with a central core wire surrounded by two layers of helically laid wires, resulting in an outer diameter equal to the compressed-stranded equivalent conductors. Electric-butt welds, cold pressure welds, or electric-butt cold-upset welds may be made in the finished individual wires composing the conductor. Mechanical (tension) and electrical tests shall be performed on the wires composing the conductors that are annealed and not annealed after stranding. The mass and electrical resistance of a unit length of stranded conductor shall be determined as a function of the length of lay. The conductors shall meet the breaking strength, tensile strength, and bending strength requirements.
Keywords:
aluminum alloy conductors, aluminum electrical conductor, combination stranded conductor, electrical conductor, electrical conductor-aluminum, insulated electrical conductor, stranded conductor, unilay stranded conductor, 8000-series aluminum alloy conductors,, ICS Number Code 29.060.20 (Cables)
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