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site safety technical measures: electricity cable vertical installation
from：guichao author：admin click： 471 addtime：2014-10-25 12:05:19
cable position should make full use of vertical shaft of projects under construction, vertical holes, etc., and should be near the center of power load, the fixed point of each floor not less than one, cable along the wall or the door fixed level, maximum sag distance shall not be less than 1.8 meters.