●交货长度：成圈长度为100m，成盘长度应大于100m.或按供需双方协议规定，允许长度不少于10m的短段交货，长度计量误差阔应不过±0.5%

     ●电缆（电线）的结构： 标称截面积（mm2）导体种类绝缘厚度（mm）护套厚度（mm）平均外径（mm）20℃时导体电阻zui大值（Ω/km)）105℃时绝缘电阻zui小值（MΩ·km）下限上限铜芯镀锡铜芯0.7511.51.52.52.5446610111212121220.60.70.70.70.80.80.80.80.80.81.00.80.80.80.80.80.80.90.90.90.90.93.63.74.24.34.84.85.45.55.96.07.34.44.55.05.25.75.96.56.87.17.38.824.518.112.112.17.417.414.614.613.083.081.8324.818.212.212.27.567.564.704.703.113.111.840.0120.0110.0110.0100.0100.0090.00850.00770.0070.00650.0065