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BSI BS 7870-8.6:2003

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 or double steel tape armoured and non-halogenated sheathed multipair cable with copper conductors
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BSI BS 7870-8.6:2003

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 or double steel tape armoured and non-halogenated sheathed multipair cable with copper conductors

PUBLISH DATE 2003
PAGES 28
BSI BS 7870-8.6:2003

This section of BS 7870 specifies requirements for the construction, dimensions and mechanical and physical properties of multipair cables with halogen-free insulation and sheaths, having reduced fire propagation performance and low emission of smoke when affected by fire.

It specifies requirements for multipair cables (up to 200-pair) with copper conductors, a collective screen and armouring consisting of a single layer of steel wires or a double layer of steel tapes.

It specifies requirements for both Type 1 and Type 2 cables, which are defined as follows:

  • Type 1: cable designed for the installation and operating conditions prevailing in a conventional fossil fuelled power station or equivalent location;
  • Type 2: cable designed for the installation and operating conditions prevailing in a PWR power station, but excluding location in or around the containment area.

The requirements specified in this section of BS 7870 are applicable to both Type 1 and Type 2 cables unless otherwise indicated.

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.

SDO BSI: British Standards Institution
Document Number 7870-8.6
Publication Date June 16, 2003
Language en - English
Page Count
Revision Level
Supercedes
Committee GEL/20/16
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