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BS 7870-8.3:2003

BS 7870-8.3:2003

$102.76

LV and MV polymeric insulated cables for use by distribution and generation utilities. Specification for multicore and multipair cables for installation above and below ground – Single wire armoured and PVC sheathed multicore cable with copper conductors, having reduced fire propagation performance – Section 8.3 Single wire armoured and PVC sheathed multicore cable with copper conductors, having reduced fire propagation performance

Published By Publication Date Number of Pages
BSI 2003 20
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This section of BS 7870 specifies requirements for the construction, dimensions and mechanical and electrical properties of multicore XLPE, HEPR and PVC insulated and PVC sheathed cables having reduced fire propagation performance conforming to BS EN 50265-2-1 and BS EN ISO 4589-3. It specifies requirements for steel wire armoured multicore cables (2-core to 48-core) having copper conductors.

This section of BS 7870 is applicable to cables for use in and around power stations and other installations having similar cable densities.

NOTE A “guide to use” is given in Annex A.

PDF Catalog

PDF Pages PDF Title
1 BRITISH STANDARD
2 Committees responsible for this British Standard
3 Contents
5 1 Scope
2 Normative references
3 Voltage designation
6 4 Conductors
5 Insulation
6 Identification of cores
7 Assembly of cores, fillers and binders
8 Bedding layer
9 Armouring
10 Oversheath
7 11 Marking
11.1 External marking
11.2 Identification of year of manufacture
11.3 Mark of an approval organization
8 11.4 Additional marking
12 Dimensions
Table 1 – Construction of 1.5 mm
Table 2 – Construction of 2.5 mm
9 Table 3 – Construction of 4 mm
Table 4 – Construction of 1.5 mm
Table 5 – Construction of 2.5 mm
10 Table 6 – Construction of 4�mm
13 Tests
14 Routine tests
14.1 General
14.2 Conductor resistance
14.3 Insulation resistance
14.4 Voltage test
14.5 Spark test on oversheath
14.6 Cable markings
11 Table 7 – Schedule of tests
15 Sample tests
15.1 General
15.2 Conductor material and construction
12 15.3 Insulation
15.4 Core identification
15.5 Laid-up cores
15.6 Bedding layer
15.7 Armour wire
Table 8 – Diameter of armour wire
13 15.8 Oversheath
15.9 Tests under fire conditions
16 Type tests
16.1 General
16.2 Insulation
14 Table 9 – Requirements for non-electrical tests for 90 °C insulation
15 16.3 Star capacitance
16.4 Bedding
16.5 Mass of zinc coating of galvanized steel armour wires
Table 10 – Mass of zinc coating
16 16.6 Wrapping test for galvanized steel armour wires
16.7 Oversheath
16.8 Compatibility test
Table 11 – Requirements for compatibility of insulation and oversheath
16.9 Test under fire conditions
17 Annex A (informative)
Guide to use
A.1 General
A.2 Recommendations for selection
A.2.1 Permissible application
A.2.2 Maximum permissible voltage
A.3 Recommendations for storage, transport and disposal
A.3.1 Storage
A.3.2 Transport
A.3.3 Incineration of scrap cable
A.3.4 Cable end sealing
A.4 Recommendations for cable laying and installation
A.4.1 General
A.4.2 Environmental conditions
18 A.4.3 Pulling tensions
A.4.4 Bending radii
A.4.5 Cable installation
A.5 Test after installation (before jointing)
A.6 Tests after installation (after jointing)

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BS 7870-8.3:2003
$102.76