BS 6726:1991

Committees responsible
National foreword
Section one. General
1. Scope
2. Definitions
3. Voltage designation
4. Core identification
5. Marking
6. Construction and overall dimension
7. Electrical requirements
8. Flexing requirements
9. Test under fire conditions
Section two. Requirements for rubber-insulated cables
and cords
10. Conductors
11. Insulation
12. Core identification
13. Sheath
Section three. Requirements for PVC-insulated cables
and cords
14. Conductors
15. Insulation
16. Core identification
17. Sheath
Appendices
A. Guide to use of cables and cords
B. Guidance on procedure for routine tests on rubber
     and PVC-insulated cables and cords of rated
     voltages Uo/U up to 300/500 V
C. Electrical tests
D. Flexing test
E. Solderability test for plain conductors
Tables
1. Load to be used and diameter of pulleys for flexing
     test
2. Current for flexing test
3. Rubber-insulated and sheathed cable, 300/500 V flat
     twin
4. Rubber-insulated and sheathed cord, 300/500 V
     single core and flat twin
5. Rubber-insulated and sheathed cord, 300/500 V
     circular twin
6. Summary of the electrical tests on rubber-insulated
     cables and cords in section two
7. List of tests applicable to cables and cords in
     section two
8. PVC-insulated non-sheathed cord, 300/500 V single
     core
9. PVC-insulated non-sheathed cable and cord,
     300/500 V flat twin
10. PVC-insulated and sheathed cord, 300/500 V circular
     twin
11. PVC-insulated and sheathed cord, 300/500 V flat
     twin
12. PVC-insulated non-sheathed cord, 300/300 V single
     core
13. Summary of the electrical tests on PVC-insulated
     cables and cords in section three.
14. List of tests applicable to cables and cords in
     section three
15. Spark test voltage
16. Insulation test voltage
17. Insulation resistance constant (K value)
     at 20 deg C
18. Temperature correction factor