Due to over-heated on the cable tie-in, the breakdown may cause a large area power off.
由于电缆接头的过热崩烧故障，可能引起大面积停电。
2
Take the measure of the breakdown of buried cable as an example, the measure method and the fixed-point skill of the buried cable fault were analyzed briefly.
以地埋电缆发生故障测寻故障点为例，就地埋电缆故障测寻方法与定点技巧进行简要分析。
3
Cable insulation fault occurs frequently. Its location is complicated especially when the dielectric strength between two adjacent cores becomes low (incomplete breakdown).