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BS 7870-3.40:2023 – TC

BS 7870-3.40:2023 – TC

$133.59

Tracked Changes. LV and MV polymeric insulated cables for use by distribution and generation utilities – Distribution cables of rated voltage 0.6/1 (1.2) kV. Specification – XLPE insulated, copper wire waveform concentric cables with solid aluminium or stranded copper conductors (Implementation of HD 603)

Published By Publication Date Number of Pages
BSI 2023 51
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PDF Catalog

PDF Pages PDF Title
1 30484694
29 A-30461435
33 Foreword
35 1 Scope
2 Normative references
3 Terms and definitions
36 4 Voltage designation
5 Core conductors
5.1 Solid aluminium
Table 1 — Aluminium conductor 3-core, 3-phase cables
37 Table 2 — Aluminium conductor 4-core, 3-phase cables
5.2 Stranded copper
38 Table 3 — Copper conductor 3-core, 3-phase cables
Table 4 — Copper conductor 4-core, 3-phase cables
39 6 Insulation
7 Assembly of cores
8 Concentric conductor
8.1 Material
8.2 Application
40 8.3 Rubber layer
9 Oversheath
10 Marking
10.1 External marking
41 10.2 Additional marking
11 End sealing
12 Dimensions
42 13 Tests
Table 5 — Schedule of tests
14 Routine tests
14.1 General
43 14.2 Conductor resistance
14.3 Voltage test on complete cable
14.4 Spark test
15 Sample tests
15.1 General
15.2 Aluminium conductor tensile strength
15.3 Insulation thickness
15.4 Insulation shrinkage at service temperature
44 15.5 Rubber layer removal
15.6 Concentric conductor material, construction and application
15.7 Oversheath thickness and removal
16 Type tests
16.1 General
16.2 Insulation
16.3 Shrinkage of insulation
16.4 Waveform repeat and developed length
45 Figure 1 — Copper waveform
16.5 Oversheath
16.6 Bend test
16.7 Compatibility test
Table 6 — Requirements for compatibility of insulation and oversheath
46 Annex A (informative)  Guide to selection and use of cables
Table A.1 — Guide to use
47 Annex B (informative)  Guidance on type tests
Annex C (normative)  Dimensional requirements of solid aluminium conductors
Table C.1 — Solid aluminium conductor dimensions
48 Figure C.1 — Conductor profile
49 Bibliography

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BS 7870-3.40:2023 - TC
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