BS 7870-4.11:2011+A1:2016
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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 - Single-core 33 kV lead sheathed cables (Implementation of HD 620)
Hardcopy , PDF
English
30-06-2016
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.
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