... cable is not permissible to lay in magnetic duct VLV Aluminium conductor ,PVC insulated ,PVC sheathed power cable VY Copper conductor ... armoured ,PE sheathed power cable VLV23 Alunminium conductor ,PVC insulated ,steel tape armoured ,PE sheathed power cable VV32 Copper ... armoured ,PVC sheathed power cable VV33 Copper conductor, PVC insulated steel wire armoured , PE sheathed power cable VLV33 Aluminium ...