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sklademVydáno: 2003-06-16
BS 7870-8.4:2003
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 PVC sheathed multipair cable with copper conductors, having reduced fire propagation performance
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| Označení normy: | BS 7870-8.4:2003 |
| Počet stran: | 22 |
| Vydáno: | 2003-06-16 |
| ISBN: | 0 580 37570 6 |
| Status: | Standard |
Popis
BS 7870-8.4:2003
This standard BS 7870-8.4:2003 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 is classified in these ICS categories:
- 29.060.20 Cables
This section of BS 7870 specifies requirements for the construction, dimensions and mechanical and physical properties of multipair 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:
- multipair cables (2 pairs to 200 pairs) having copper conductors, a collective screen and armouring consisting of a single layer of steel wires;
- multipair cables (20 pairs to 200 pairs) having copper conductors, a collective screen and armouring consisting of a double layer of steel tapes.
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.