Description

BS 7870-4.10 – LV and MV polymeric insulated cables for use by distribution and generation utilities

BS 7870-4.10:2011+A1:2016 specifies requirements for the construction, dimensionsand mechanical and electrical properties of 6.35/11(12) kV to 19/33(36) kVsingle-core cables having either aluminium or copper conductors, cross-linkedpolyethylene (XLPE) or ethylene propylene rubber (EPR) extruded insulation, acopper wire metallic screen and an oversheath of one of the followingcompounds:

medium density polyethylene (MDPE) compound type DMP 5 (Type Acables);
thermoplastic compound type DMZ 4 for cables with having a low emissionof smoke and corrosive gases when affected by fire (Type B cables).

The standard also specifies requirements for 11 kV cables laid up in a triplexformation.

This section of BS 7870 is applicable to cables that are designed for a maximumcontinuous conductor operating temperature of 90 °C and for a maximumshort-circuit conductor temperature of 250 °C.

NOTE Information to be supplied by the purchaser, and items to be agreedbetween the purchaser and the manufacturer at the time of enquiry and/or orderare given in Annex B. Guidance on type testing is given in Annex C.

To be read in conjunction with BS 7870-1:2011,BS 7870-2:2011.

Cross References:
BS 3988:1970+A3:1989
BS 7870-1
BS 7870-2
BS EN 50267-2-1
BS EN 60228:2005
BS EN 60332-1-2:2004
BS EN 60332-3-24:2009
BS EN 60811-1-2
BS EN 60811-1-3
BS EN 60811-2-1
BS EN 61034-1
BS EN 61034-2
HD 603 S1
HD 605 S2
HD 620 S2
HD 626 S1
HD 627 S1
IEC 60502-2