These type of cables are suitable for industrial and wiring in buildings and can be used in dry , damp and wet environments in the open and concealed and also in masonry and concrete . These cables are not suitable for imbedding in solidified concrete and are not permitted for direct using underground.
conductor : Annealed copper of class 1 (solid) or of class 2 (stranded) according to IEC 60228 [ ISIRI (3084) ] .
insulation : PVC compound of type PVC/C .
core assembly : The cores are twisted together .
inner covering : The twisted cores are covered by an extruded PVC compound .
sheath : PVC compound of type PVC/ST4 . Sheath color is normally black or grey .
Standard : 60227 IEC 10 [ ISIRI (607) 10 ] with rated voltage 300/500 volt .