芯数 No.of core | 导体截面 cross-section | 最高运行电压 Operation voltage max. | 标称电压 Nominal voltage U0/U | 绝缘厚度 Insulation thickness | 近似外径 Approx. diameter(mm) | 最小弯曲半径 min bending radius(mm) | 20℃最大导体电阻 maximum DC resistance at 20℃ | 载流量(空气中) current rating in air at 30℃ | 载流量(埋地敷设) current rating in ground at 20℃(A) | 护套颜色 sheath color | 包装方式 package |