BS 7870-4.20:1999
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
LV and MV polymeric insulated cables for use by distribution and generation utilities. Specification for distribution cables with extruded insulation for rated voltages of 11 kV and 33 kV Three-core 11 kV cables - Three core 11 kV cables
Hardcopy , PDF
31-12-2011
English
15-08-1999
Committees responsible
Foreword
1. Scope
2. Normative references
3. Voltage designation
4. Construction and dimensions
5. Test requirements
6. Routine tests
7. Sample tests
8. Type tests
Annex A (informative) User options for three-core
polymeric insulated cables having a rated voltage of
6.35/11 kV
Annex B (informative) Guidance on type tests
Bibliography
Table 1 - Dimensions of shaped solid aluminium conductors
Table 2 - Three-core cable with shaped solid aluminium
conductors and copper wire collective metallic screen
Table 3 - Three-core cable with shaped stranded aluminium
conductors and copper wire collective metallic screen
Table 4 - Three-core cable with circular solid aluminium
conductors and copper wire collective metallic screen
Table 5 - Three-core cable with circular stranded
aluminium conductors and copper wire collective
metallic screen
Table 6 - Three-core cable with shaped solid aluminium
conductors and galvanized steel wire armour
Table 7 - Three-core cable with shaped stranded aluminium
conductors and galvanized steel wire armour
Table 8 - Three-core cable with circular solid aluminium
conductors and galvanized steel wire armour
Table 9 - Three-core cable with circular stranded
aluminium conductors and galvanized steel wire armour
Table 10 - Schedule of tests
Table 11 - D.C. resistance of copper wire screen
Table 12 - Cross-linked polyethylene (XLPE) and ethylene
propylene rubber compound (EPR) insulation
Table 13 - Mass of zinc coating
Table 14 - Medium density polyethylene (MDPE) oversheath
Table 15 - Compatibility requirements
Table 16 - Tan delta in relation to voltage
Table 17 - Tan delta in relation to temperature
Table A.1 - Options to be specified by the user
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