规定了露天开采、地下开采（煤矿开采除外）和一般用途的两类多芯弹性体绝缘和护套挠性卷绕和拖曳电缆的要求，其中移动设备需要在系统电压为1.1/1.1kV至33/33kV（含33/33kV）的情况下供电。

Specifies the requirements for two classes of multicore elastomer insulated and sheathed flexible reeling and trailing cables for surface mining, underground mining (other than coal mining) and general use, where movable plant requires electricity supply at system voltages from 1.1/1.1 kV up to and including 33/33 kV.