BS 4087:1989
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BS 4087:1989

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

Summary

Telephone equipment;Tensile strength;Metal coatings;Coated materials;Stain tests;Telegraph lines;Steels;Packaging;Thickness;Marking;Electrical resistivity;Dimensional tolerances;Grades (quality);Wires;Visual inspection (testing);Copper;Electric wires;Weight (mass);Diameter;Electrical resistance;Breaking load;Telegraph equipment;Acceptance inspection;Telephone lines

Technical characteristics

Publisher British Standards Institution (BSI)
Publication Date 08/31/1989
Page Count 10
Themes Telephone lines
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Weight (in grams) ---
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