Remove the need to install the protective cover, in order to ensure the large span cable bridge in Ji'nan to play the greatest effect, but also need to pay attention in wiring.

　　①如果安裝場(chǎng)所為具有腐蝕性或者是非常潮濕的環(huán)境，那么在布線時(shí)就必須要根據(jù)腐蝕介質(zhì)的不同來采取相應(yīng)的防護(hù)措施。

　　If the installation site is corrosive or very humid environment, the wiring must be based on the different corrosion media to take appropriate protective measures.

　　②若是將幾組濟(jì)南電纜橋架同時(shí)在同一高度進(jìn)行平整安裝的時(shí)候，就需要考慮各組濟(jì)南電纜橋架之間的維護(hù)和檢修距離。

　　If the sets of Ji'nan cable tray in the same height of smooth installation, we need to consider the maintenance and overhaul of Ji'nan cable bridge the distance between the groups.

　　③在大跨距濟(jì)南電纜橋架上時(shí)可以進(jìn)行無間距敷設(shè)電纜的，電力電纜在橋架內(nèi)的橫斷面填充率要在40%以下，而控制電纜則應(yīng)小于橋架橫斷面積的一半。

　　In the large span cable bridge on Ji'nan can be gapless cable, power cable cross-section in the bridge filling rate to below 40%, while the control cable should be less than half of the cross-sectional area of the bridge.

　　④安裝大跨距濟(jì)南電纜橋架的時(shí)候不能安裝在具有腐蝕性氣體管道以及熱力管道的上方，在腐蝕性液體管道的下方也不能直接安裝濟(jì)南電纜橋架，若是必須如此的話則應(yīng)做好防護(hù)和隔熱措施。

　　When the installation of large span cable bridge in Ji'nan cannot be installed above the corrosive gas pipeline and heating pipelines, under corrosive liquids pipeline cannot be directly installed in Ji'nan cable tray, so it must be if it should do the protection and insulation measures.

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