Selection of fuses must be carried out according to their use conditions, mainly they are systemvoltage, rated current, short circuit capacity, protection suitability etc.
熔断器选择必须依据其使用条件来进行，主要有系统电压、额定电流、短路容量、保护配合等。
2
The ratedvoltage of cable shall be applicable to system operation condition where the cable lain in.
电缆的额定电压应适合电缆所在系统的运行条件。
3
Not be more than the ratedvoltage of the system by 1.5 times.