BS 7870-3.22:2011:2012 Edition
$142.49
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 split 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 | 24 |
This section of BS 7870 specifies requirements for the construction, dimensions and mechanical and electrical properties of split concentric service cables having a rated voltage of 0.6/1(1.2) kV. It is applicable to cables that, when assessed by the specified tests, produce lower levels of smoke and corrosive gases under exposure to fire than cables conforming to BS 7870-3.21.
It specifies requirements for the following types of cable:
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single phase or 3-phase;
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stranded copper or solid aluminium conductors;
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XLPE insulation and PVC 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.