All L.V. cable designs are generally covered by IEC 502, BS 6346 and BS 5467. Special constructions can also be manufactured based on the project data. The following are the types of constructions generally manufactured.

Conductor Copper (Cu) or Aluminum (Al)
No. of cores Single core or multicore
Insulation PVC or XLPE
(Most buyers have standardised on XLPE due to its better electrical and physical characteristics)
Armouring SWA, DST, AWA etc...
(Un armoured construction also available)
Sheath material PVC, PVCFR, MDPE etc...