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BS 4087:1989 | 31 Aug 1989 | BSI Knowledge
Standard
BS 4087:1989
Specification for copper-covered steel wire for telephone and telegraph purposes
Current
•
Published:
31 Aug 1989
Overview
Preview
References
History
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Product Details
Descriptors
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
ICS Codes
29.060.10 Wires
Committee
ISE/106
International relationships
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ISBN
0 580 17096 9
Publisher
BSI