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BS 7870-3.22:2011

Current
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, having low emission of smoke and corrosive gases when affected by fire
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-08-2012

Publisher

British Standards Institution

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
Annex B (normative) - Test for shrinkage of
        oversheath on cable
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.

This section of BS 7870 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 is applicable to cables that, when assessed by the specified tests, produce lower levels of smoke and corrosive gases under exposure to fire than cables conforming to BS 7870-3.21. 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 BS 7870 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.

Committee
GEL/20/16
DevelopmentNote
To be read in conjunction with BS 7870-1(2011) & BS 7870-2(2011). Supersedes 11/30214065 DC. (12/2011)
DocumentType
Standard
Pages
24
PublisherName
British Standards Institution
Status
Current
Supersedes

BS 7870-3.21:2011 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

HD 627 S1:1996/A2:2005 MULTICORE AND MULTIPAIR CABLES FOR INSTALLATION ABOVE AND BELOW GROUND
BS EN 61034-2 : 2005 MEASUREMENT OF SMOKE DENSITY OF CABLES BURNING UNDER DEFINED CONDITIONS PART 2: TEST PROCEDURE AND REQUIREMENTS
BS EN 61034-1 : 2005 MEASUREMENT OF SMOKE DENSITY OF CABLES BURNING UNDER DEFINED CONDITIONS - PART 1: TEST APPARATUS
BS EN 60332-1-2 : 2004 TESTS ON ELECTRIC AND OPTICAL FIBRE CABLES UNDER FIRE CONDITIONS - PART 1-2: TEST FOR VERTICAL FLAME PROPAGATION FOR A SINGLE INSULATED WIRE OR CABLE - PROCEDURE FOR 1 KW PRE-MIXED FLAME (IEC 60332-1-2:2004)
BS 7870-2:2011 LV and MV polymeric insulated cables for use by distribution and generation utilities Methods of test
HD 605 S2:2008/corrigendum:2010 ELECTRIC CABLES - ADDITIONAL TEST METHODS
HD 620 : 2010 DISTRIBUTION CABLES WITH EXTRUDED INSULATION FOR RATED VOLTAGES FROM 3,6/6 (7,2) KV UP TO AND INCLUDING 20,8/36 (42) KV
BS EN 50267-2-1:1999 Common test methods for cables under fire conditions. Tests on gases evolved during combustion of materials from cables. Procedures Determination of the amount of halogen acid gas - Determination of the amount of halogen acid gas
BS EN 60228:2005 Conductors of insulated cables
BS EN 60811-1-1:1995 Insulating and sheathing materials of electric cables. Common test methods. General application Measurement of thickness and overall dimensions. Tests for determining the mechanical properties - Section 1: Measurement of thickness and overall dimensions - Tests for determining the mechanical properties
BS EN 60811-1-3:1995 Insulating and sheathing materials of electric cables. Common test methods. General application Methods for determining the density. Water absorption tests. Shrinkage test
HD 603 S1:1994/A3:2007 DISTRIBUTION CABLES OF RATED VOLTAGE 0,6/1 KV
BS EN 60332-3-24:2009 Tests on electric and optical fibre cables under fire conditions Test for vertical flame spread of vertically-mounted bunched wires or cables. Category C
HD 626 S1:1996/A2:2002 OVERHEAD DISTRIBUTION CABLES OF RATED VOLTAGE U[O]/U(U[M]): 0,6/1 (1,2) KV
BS EN 60811-1-2:1995 Insulating and sheathing materials of electric cables. Common test methods. General application Thermal ageing methods
BS 7870-1:2011 LV and MV polymeric insulated cables for use by distribution and generation utilities General

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