This section of BS 7870 specifies requirements for the construction, dimensions and mechanical and electrical properties of multicore PVC insulated and PVC sheathed cables. It specifies requirements for steel wire armoured multicore cables (2-core to 37-core) with copper conductors.
This section of BS 7870 is applicable to cables for use underground in wet conditions and also for withstanding high levels of induced voltage.
NOTE A “guide to use?? is given in Annex A.