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Cable duct are required?

Information Source:Henan Huadong Cable Co., Ltd Release date:2014-03-24

Cable duct mainly has the following 4 points:

(1) exhaust pipe to the top of the ground distance, in the plant is 0.2m, the sidewalk was 0.5m, the general area of 0.7m;

(2) changes in the direction and the branch shall be discharge tube well pit, the length of more than 30mm should also be added to the pit;

(3) the pit depth is not less than 0.8m, manhole diameter not less than 0.7mm;

(4) exhaust pipe should tend to pit 0.5% ~ 1% drainage slope.

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