IEC 60245-4:20 11详细说明了额定电压不超过450/750V的橡胶绝缘和编织帘线以及橡胶绝缘和橡胶或聚氯丁二烯或其他等效合成弹性体护套帘线和柔性电缆的具体规范。所有电缆应符合IEC 60245-1中给出的适当要求，并且各个类型的电缆应各自符合本部分的特殊要求。 与上一版相比，主要变化如下: -更新规范性参考文献； -更新关于53型和57型尺寸的表3和表5。 本出版物应与IEC 60245-1:20 03和IEC 60245-2:20 94一起阅读。

IEC 60245-4:2011 details the particular specifications for rubber insulated and braided cords and for rubber insulated and rubber or polychloroprene or other equivalent synthetic elastomer sheathed cords and flexible cables of rated voltages up to and including 450/750 V. All cables should comply with the appropriate requirements given in IEC 60245-1 and the individual types of cables should each comply with the particular requirements of this part. The main changes with respect to the previous edition are as follows:
- updating of the normative references;
- updating of Table 3 and Table 5 on dimensions for type 53 and type 57.

This publication is to be read in conjunction with IEC 60245-1:2003 and IEC 60245-2:1994.