What are the causes of external faults in cable lines?

I. What are the causes of external power failure of cable lines?1) External causes of the construction environment is more complex. Mechanized construction is becoming more and more common, for power cables constitute a greater threat, often not yet started, only the first clean-up site, shoveling bad cables caused by external accidents, which is also an important cause of power cable external accidents.2) Internal reasons for cable operation and management did not pay enough attention to the aftermath of a lot of projects is not fine, the drawings of information is seriously lacking, the line hidden dangers are more, which affects the The safe operation of the cable, which is a quite important factor in causing external accidents. Operation management is not effective, resulting in insufficient constraints on the operation of personnel assessment, there is no clear constraints on the assessment measures, making the operation of management work appears to be more chaotic. Construction site cable relocation is not timely enough, coordination is not effective, due to the lack of close cooperation between the departments, the focus of different work, can not be well coordinated, to reach a consensus, missed a lot of relocation, protection of cables, a good opportunity. (3) other reasons for the external damage to the control of another important reason is the lack of severe and effective protection measures and management tools.

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