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BS 4087:1989

Specification for copper-covered steel wire for telephone and telegraph purposes

Standard Details

Mechanical and electrical properties of copper-covered steel wire with two grades of conductivity and three of tensile strength together with size tolerances for a range of wire sizes. Metric units.

General Information

Status : Confirmed
Standard Type: Main
Document No: BS 4087:1989
Document Year: 1989
Pages: 10
  • Section Volume:
  • GBM18 Electrical Components (GMB18)

Life Cycle

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Confirmed
BS 4087:1989

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