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sklademVydáno: 2016-06-30
BS 7870-4.11:2011+A1:2016
LV and MV polymeric insulated cables for use by distribution and generation utilities Specification for distribution cables with extruded insulation for rated voltages of 11 kV and 33 kV
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| Označení normy: | BS 7870-4.11:2011+A1:2016 |
| Počet stran: | 26 |
| Vydáno: | 2016-06-30 |
| ISBN: | 978 0 580 93806 1 |
| Status: | Standard |
DESCRIPTION
BS 7870-4.11:2011+A1:2016
This standard BS 7870-4.11:2011+A1:2016 LV and MV polymeric insulated cables for use by distribution and generation utilities is classified in these ICS categories:
- 29.060.20 Cables
This section of BS 7870 specifies requirements for the construction, dimensions and mechanical and electrical properties of 19/33(36) kV single-core cables having either aluminium or copper conductors, cross-linked polyethylene (XLPE) extruded insulation, a lead alloy sheath and a medium density polyethylene (MDPE) 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.
NOTE Information to be supplied by the purchaser, and items to be agreed between the purchaser and the manufacturer at the time of enquiry and/or order are given in Annex B. Guidance on type testing is given in Annex C.