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Homepage>BS Standards>29 ELECTRICAL ENGINEERING>29.060 Electrical wires and cables>29.060.20 Cables>BS 7870-3.12:2011 LV and MV polymeric insulated cables for use by distribution and generation utilities Specification for distribution cables of rated voltage 0.6/1 kV. XLPE insulated combined neutral and earth copper wire concentric cables with copper or aluminium conductors, having low emission of smoke and corrosive gases when affected by fire
immediate downloadReleased: 2012-08-31
BS 7870-3.12:2011 LV and MV polymeric insulated cables for use by distribution and generation utilities Specification for distribution cables of rated voltage 0.6/1 kV. XLPE insulated combined neutral and earth copper wire concentric cables with copper or aluminium conductors, having low emission of smoke and corrosive gases when affected by fire

BS 7870-3.12:2011

LV and MV polymeric insulated cables for use by distribution and generation utilities Specification for distribution cables of rated voltage 0.6/1 kV. XLPE insulated combined neutral and earth copper wire concentric cables with copper or aluminium conductors, having low emission of smoke and corrosive gases when affected by fire

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Standard number:BS 7870-3.12:2011
Pages:22
Released:2012-08-31
ISBN:978 0 580 78835 2
Status:Standard
DESCRIPTION

BS 7870-3.12:2011


This standard BS 7870-3.12:2011 LV and MV polymeric insulated cables for use by distribution and generation utilities is classified in these ICS categories:
  • 29.060.20 Cables

ThissectionofBS7870specifiesrequirementsfortheconstruction,dimensions andmechanicalandelectricalpropertiesofconcentriccopperwirecombined neutral/earth(CNE)servicecableshavingaratedvoltageof0.6/1(1.2)kV.Itis applicabletocablesthat,whenassessedbythespecifiedtests,producelower levelsofsmokeandcorrosivegasesunderexposuretofirethancables conformingtoBS7870-3.11.

Itspecifiesrequirementsforthefollowingtypesofcable:

  1. singlephaseor3-phase;

  2. strandedcopperorsolidaluminiumconductors;

  3. XLPEinsulationandthermoplasticoversheathwithlowemissionofsmoke andcorrosivegaseswhenaffectedbyfire.

ThissectionofBS7870isapplicabletocablesthataredesignedforamaximum continuousconductoroperatingtemperatureof90°Candforamaximumshort circuitconductortemperatureof250°C.


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