BS 125:1970
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 hard-drawn copper and copper-cadmium conductors for overhead power transmission purposes
Hardcopy , PDF
15-02-1997
English
25-06-1970
Co-operating organizations
Foreword
Specification
1 Scope
2 General
3 Definitions
4 Information to be supplied by the purchaser
5 Freedom from defects
6 Joints
7 Chemical composition
8 Stranding
9 Dimensions, tolerances and masses
10 Selection of test samples
11 Mechanical tests
12 Electrical resistance test
13 Non-compliance
14 Certificate of compliance
15 Inspection
16 Facilities for testing
Appendices
A Factors for correcting resistance at various
temperatures
B Notes on the calculation of Tables 4 and 6
Tables
1 Lay ratios
2 Strength of stranded conductors
3 Mechanical and electrical properties of standard
solid hard-drawn copper conductors
4 Mechanical and electrical properties of standard
stranded hard-drawn copper conductors
5 Mechanical and electrical properties of standard
solid hard-drawn copper-cadmium conductors
6 Mechanical and electrical properties of standard
stranded hard-drawn copper-cadmium conductors
7 Factors for correcting resistance. Hard-drawn high
conductivity 97% I.A.C.S.
8 Factors for correcting resistance. Hard-drawn
copper-cadmium
9 Increase in length of wire due to stranding
10 Stranding constants
Important note : Users cannot be edited or removed once added to your Multi user PDF.Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.