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Description of BS 7870-8.6:2003 2003This 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:
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.
About BSIBSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses. |
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