BS 7884:1997
Current
The latest, up-to-date edition.
Specification for copper and copper-cadmium stranded conductors for overhead electric traction and power transmission systems
Hardcopy , PDF
English
15-02-1997
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Committees responsible
Foreword
Specification
1 Scope
2 References
3 Definitions
4 Requirements
5 Rounding of results
6 Selection of test samples
7 Inspection documentation
8 Marking, labelling and packaging
Annexes
A (informative) Information to be supplied by the purchaser
B (informative) Notes on the calculation of tables 3 & 4
C (normative) Wrapping test
D (normative) Electrical resistance test
Tables
1 Physical, mechanical and electrical properties of
solid, circular, hard drawn copper wire
2 Physical, mechanical and electrical properties of
solid circular, hard drawn copper alloy wire
3 Physical, mechanical and electrical properties of
hard drawn copper stranded conductors
4 Physical, mechanical and electrical properties of
hard drawn copper alloy stranded conductors
5 lay ratios of stranded conductors
B.1 Increase in length due to stranding
B.2 Stranding constants
D.1 Factors for correcting resistance: hard drawn
high conductivity copper of conductivity 97% IACS
D.2 Factors for correcting resistance: hard drawn
copper-cadmium
List of references
Defines requirements for solid and stranded circular conductors for overhead power transmission and electric traction systems. Includes requirements for material composition, dimensions, mechanical properties, electrical resistance, stranding and other characteristics for hard-drawn high conductivity copper and copper alloy conductors.
| Committee |
NFE/34
|
| DevelopmentNote |
Supersedes 95/716711 DC, BS 125(1970) and BS 2755(1970) (10/2005) Reviewed and confirmed by BSI, October 2008. (09/2008)
|
| DocumentType |
Standard
|
| Pages |
16
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This British Standard specifies requirements for solid and stranded circular conductors for overhead power transmission systems and overhead electric traction systems. It specifies the requirements for material composition, dimensions, mechanical properties, electrical resistance, stranding, and other characteristics for hard-drawn high conductivity copper and copper alloy conductors.
NOTE. Guidance on information that should be supplied by the purchaser is given in annex A.
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