BS 7870-3.12:2011:2012 Edition
$102.76
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
Published By | Publication Date | Number of Pages |
BSI | 2012 | 22 |
ThissectionofBS7870specifiesrequirementsfortheconstruction,dimensions andmechanicalandelectricalpropertiesofconcentriccopperwirecombined neutral/earth(CNE)servicecableshavingaratedvoltageof0.6/1(1.2)kV.Itis applicabletocablesthat,whenassessedbythespecifiedtests,producelower levelsofsmokeandcorrosivegasesunderexposuretofirethancables conformingtoBS7870-3.11.
Itspecifiesrequirementsforthefollowingtypesofcable:
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singlephaseor3-phase;
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strandedcopperorsolidaluminiumconductors;
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XLPEinsulationandthermoplasticoversheathwithlowemissionofsmoke andcorrosivegaseswhenaffectedbyfire.
ThissectionofBS7870isapplicabletocablesthataredesignedforamaximum continuousconductoroperatingtemperatureof90°Candforamaximumshort circuitconductortemperatureof250°C.