Conductors shall be Round Stranded, Class 2 as to IEC 60228/BS 6360. Solid Conductors Class 1 to IEC 60228/BS 6360 can also be provided based on special request. Insulation XLPE Insulataion material and thickness shall be as per IEC 60502-1 rated 90?C for continuos operation. PVC Insulation material and thickness shall be as per IEC 60502-1 and BS 6346.PVC material shall be Type A as per IEC 60502-1 or TI1 as per BS 6346. PVC Insulation material as per SASO 1694 rated for 85?C continuous operation is also available upon special request. Assembly The Insulated cores are laid-up together with non-hygroscopic fillers wherever necessary. The assembly is bedded with an Extruded layer of PVC. In case of non-armoured cables, this layer may be omitted provided the outer shape of the cables remains practically circular. Colour Code Colour code (1) is followed by all utilities in the Middle East and colour of insulation for cables shall be as per mentioned below. However, cables as per colour code (2) mentioned below is also provided based on customer request.