... : Copper or aluminium3. Section area: 1mm2---- 500mm24. Core No.: 1, 2, 3, 4, 5, 3+1, 4+1, 3+25. Insulation: XLPE6. ... 4, 5, 3+1, 4+1, 3+2 cores with armour)D= outer diameterB, Bending radius for the section which near the ... junction and connector:A. ≥ 15D (1 and 2 cores)B. ≥ 12D (3, 4, 5, 3 ... cores with armour)D. ≥ 10D (3, 4, 5, 3+1, 4+1, 3+2 cores with armour)11. For the ...