BS 3242:1970
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for aluminium alloy stranded conductors for overhead power transmission
Hardcopy , PDF
15-05-2000
English
31-03-1970
Co-operating organizations
Foreword
Specification
1 General
1.1 Scope
1.2 Definitions
1.3 Standards for aluminium alloy wire
2 Material
3 Dimensions and construction
3.1 Standard sizes of wire
3.2 Tolerances on the standard diameters of wires
3.3 Standard sizes of aluminium alloy stranded
conductors
3.4 Joints in wires
3.5 Stranding
3.6 Completed conductor
4 Tests
4.1 Selection of test samples
4.2 Place of testing
4.3 Mechanical tests
4.4 Electrical resistivity test
4.5 Certificate of compliance
Appendices
A Notes on the calculation of Table 3
B Note on modulus of elasticity and coefficient of
linear expansion
C Code names for standard aluminium alloy stranded
conductors
D Lay ratios and stranding constants for non-standard
constructions
Tables
1 Lay ratios for aluminium alloy stranded conductors
2 Aluminium alloy wires used in the construction of
standard aluminium alloy stranded conductors
3 Standard aluminium alloy stranded conductors
4 Stranding constants
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