1、電纜橋架在室內(nèi)布線時，其電纜不應(yīng)覆蓋黃麻或可燃物作為外保護層。

1. When cable trays are wired indoors, their cables should not be covered with yellow hemp or flammable materials as an external protective layer.

2、電纜橋架布線在腐蝕性或潮濕環(huán)境中使用時，應(yīng)根據(jù)不同的腐蝕介質(zhì)采取相應(yīng)的防護措施，并選用塑料作為電纜的護套。

2. When cable tray wiring is used in corrosive or humid environments, corresponding protective measures should be taken according to different corrosive media, and plastic should be selected as the cable sheath.

3、電纜橋架需要水平安裝時，其離地高度不得低于2.5米。電纜橋架垂直安裝時，距地1.8米以下的部分，除敷設(shè)在電氣專用房(如配電室、電氣豎井、技術(shù)層等)內(nèi)外，均應(yīng)采用金屬蓋板保護。

3. When cable trays need to be installed horizontally, their height above the ground should not be less than 2.5 meters. When installing cable trays vertically, the parts below 1.8 meters from the ground, except for those laid inside and outside electrical special rooms (such as distribution rooms, electrical shafts, technical floors, etc.), should be protected by metal cover plates.

4、當(dāng)電纜橋架需要水平安裝時，應(yīng)根據(jù)荷載曲線選擇非常佳跨度進行支撐，跨度一般為1.5~3米。垂直敷設(shè)時，固定點間距不大于2m。

4. When cable trays need to be installed horizontally, the optimal span for support should be selected based on the load curve, typically ranging from 1.5 to 3 meters. When laying vertically, the spacing between fixed points should not exceed 2m.

5、多組電纜架在同一高度平行安裝時，應(yīng)考慮各相鄰橋架之間的距離，以便維護和維修。

5. When multiple cable trays are installed in parallel at the same height, the distance between adjacent trays should be considered for maintenance and repair.

6、電纜也可無間隔地敷設(shè)在橋架上。電纜所在橋架截面填充率：電力電纜不大于40%;控制電纜不大于50%。

6. Cables can also be laid on cable trays without any gaps. The filling rate of the cable tray section where the cable is located: not more than 40% for power cables; The control cable should not exceed 50%.

7、不同電壓、不同用途的電纜不應(yīng)敷設(shè)在同一水平面上。

7. Cables with different voltages and purposes should not be laid on the same horizontal plane.

8、電纜橋架與各種管道平行或交叉時，其非常小間距應(yīng)符合表DQ4-1的規(guī)定。

8. When cable trays are parallel or intersect with various pipelines, their minimum spacing should comply with the provisions of Table DQ4-1.

9、電纜橋架不應(yīng)安裝在腐蝕性氣體管道、熱力管道上方和腐蝕性液體管道下方，否則應(yīng)采取防腐保溫措施。

9. Cable trays should not be installed above corrosive gas pipelines, thermal pipelines, or below corrosive liquid pipelines, otherwise anti-corrosion and insulation measures should be taken.