BS 23:1970
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF
05-15-2001
English
06-25-1970
Co-operating organizations
Foreword
Specification
1 Scope
2 General
3 Definitions
4 Information to be supplied by the purchaser
5 Freedom from defects
6 Chemical composition
7 Identification of material
8 Joints
9 Dimensions and tolerances
10 Mass
11 Selection of test samples
12 Mechanical tests
13 Electrical resistance test
14 Retests
15 Certificate of compliance
16 Inspection
17 Facilities for testing
Appendices
A Conversion of stress values
B Factors for correcting resistance at various
temperatures
Tables
1 Properties of hard-drawn copper trolley and contact
wires
2 Properties of copper-cadmium trolley and contact
wires
3 Factors for correcting resistance. Hard-drawn high
conductivity copper of conductivity 97% I.A.C.S.
4 Factors for correcting resistance. Hard-drawn
copper-cadmium
Figures
1 Configuration of 107 mm2 contact wire
2 Configuration of 161 mm2 contact wire
3 Configuration of 193 mm2 contact wire
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