1)6-35kV,25-500mm2 2)Core:1,2,3,3+1,4+1,3+2,5 round,sector 3)Armor:galvanized steel tape ... ,steel wire 4)GB/T12706,IEC60502,BS 6-35kV ... under installation should not below 0°C .Bending radius: ≥20D (1 core without armor&3 cores with armor), b. ≥15D ... (1 core with armor&3 cores without armor), D= outer ...