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eLibrary > BS 7870-3.40:2023 - TC 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 wit >

BS 7870-3.40:2023 - TC 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 wit, 2023

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BS 7870-3.40:2023 - TC 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 wit, 2023

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

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BS 7870-3.40:2023 - TC 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 wit, 2023

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