BS 7870-3.21:2011
Current
The latest, up-to-date edition.
LV and MV polymeric insulated cables for use by distribution and generation utilities Specification for distribution cables of rated voltage 0.6/1 kV. XLPE insulated split concentric cables with copper or aluminium conductors
Hardcopy , PDF
English
31-08-2012
Foreword
1 Scope
2 Normative references
3 Voltage designation
4 Phase conductors
5 Insulation
6 Assembly of cores
7 Bedding for 3-phase cables
8 Concentric layer
9 Binder tapes
10 Oversheath
11 Marking
12 End sealing
13 Dimensions
14 Tests
15 Routine tests
16 Sample tests
17 Type tests
Annexes
Annex A (informative) - Guide to selection and
use of cables
Bibliography
Defines requirements for the construction, dimensions and mechanical and electrical properties of split concentric service cables having a rated voltage of 0.6/1(1.2) kV.
| Committee |
GEL/20/16
|
| DevelopmentNote |
To be read in conjunction with BS 7870-1(2011) & BS 7870-2(2011). Supersedes BS 7870-3.21(2001) and 11/30215743 DC. (12/2011)
|
| DocumentType |
Standard
|
| Pages |
22
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This section of BS7870 specifies requirements for the construction, dimensions and mechanical and electrical properties of split concentric service cables having a rated voltage of 0.6/1(1.2) kV. It specifies requirements for the following types of cable: single phase or 3-phase; stranded copper or solid aluminium conductors; XLPE insulation and PVC oversheath. This section of BS7870 is applicable to cables that are designed for a maximum continuous conductor operating temperature of 90°C and for a maximum short circuit conductor temperature of 250°C.
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