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The security requirements for the laying of cable lines

Pubdate:2012-04-17 15:21 click:

The security requirements for the laying of cable lines are:

A cable cross-cutting, high-voltage cables should be below the low voltage cable. If one of the cable before and after the crossover point within the 1m range, wearing a tube to protect or separated with partitions, the minimum allowable distance 0.15m.
 
2, cable and heat pipe is close to or cross, if the insulation measures, parallel and cross the minimum distance of 0.5m and 0.15m, respectively.

3, the cable railway or road intersection should wear governing the protection of the protection tube should be stretched out a track or road other than 2m.

4, the distance of the cable and building foundations should be to ensure the cable is buried in the bulk water of the building outside; cable into the building should wear governing the protection of the protection tube should exceed the building bulk water outside.

5, directly buried in the ground between the underground cable grounding device to should be separated by 0.15 ~ 0.5m; directly buried in the underground cable laying depth, generally not less than 0.7m and should be buried in the permafrost.

KeyWords:埋设电缆线路的安全要求
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