... radius of cableD≤25mm ≥4DD25mm ≥6DD- Diameter of the cable TypeDesignationRated Voltage(V)Number of coresNom.cross Section(Mm2 )227IEC01 ... of 70°C300/50010.5-1227IEC06RVSingle-core non sheathed cable with flexible conductor for internal wiring for a conductor ... -61) Number of cores:4,5,6,7,10,12,14,16,19 and 24;2) Number of cores: ... 2,3,4,5,6,7,12,18,27,36,48 and 603) The special types ...