Cables are designed for laying in conduit or on trays where fire resistance is of paramount importance Copper Conductor : Plain annealed stranded class 2 conductor to IEC 60228 Primary Insulation : Mica Glass tape Secondary Insulation : Extruded XLPE/XL-LSZH compound Outer Sheath : LSZH compound Voltage Grade : 600/1000 V C-W-Z test as per BS 6387 for small size and IEC 60331-21 for Large size which can not fit in a conduit cable comply 60331-21 fire test at increased temp. of 950 � C which is higher than that spacified by the standard Acid gas emission : Less than 0.5% when tested to IEC 60754 Low smoke emission : As per IEC 61034 Cable Operating temperature : Maximum 90�C Short circuit temperature : Maximum 250�C Bending radius : 6 x Cable diameter. Colours : black, as per request.