鍍鋅電纜橋架間連接板的兩端可不作接地跨接線.但每塊連接板應(yīng)有不少于2個有防松動螺帽或防松動墊圈的連接固定螺栓。當(dāng)允許利用電纜橋架構(gòu)成接地干線回路時.電纜橋架及其支、吊架、連接板應(yīng)能承受接地故障電流.并滿足熱效應(yīng)的要求。
The ends of the connecting plate between the galvanized cable bridge shall not be connected to the ground, but each connecting plate shall have no less than 2 fastening bolts with a loose screw cap or a loose washer. The cable bridge and its branches, hangers and connecting plates should be able to withstand the grounding fault current and meet the requirements of the thermal effect when the cable bridge is allowed to form the ground trunk circuit.
強(qiáng)腐蝕性環(huán)境應(yīng)采用(F)類復(fù)合環(huán)氧樹脂防腐阻燃型電纜橋架。托臂、支架也要選用同樣材料，提高橋架及附件的使用壽命，電纜橋架。在容易積灰和其它需遮蓋的環(huán)境或戶外場所宜加蓋板?？筛鶕?jù)現(xiàn)場還環(huán)境及技術(shù)要求選用托盤式、槽式、梯級式、玻璃防腐阻燃電纜橋架或鋼質(zhì)普通型橋架。在容易積灰和其它需遮蓋的環(huán)境或戶外場所宜加蓋板。在公共通道或戶外跨越道路段，底層梯級的底部宜加墊板或在該段使用托盤 。

F type composite epoxy resin anticorrosive and flame retardant cable tray should be used in strong corrosive environment. The bracket and bracket should also use the same material to improve the service life of the bridge and accessories, and the cable bridge. It is advisable to add cover plates to the environment or outdoor areas where ash is easily accumulated and other need to be covered. The tray type, trough type, step type, glass anticorrosive flame retardant cable bridge or steel ordinary bridge can be selected according to the on-site environment and technical requirements. It is advisable to add cover plates to the environment or outdoor areas where ash is easily accumulated and other need to be covered. In the public passage or outdoor crossing the road segment, the bottom of the bottom ladder should be added with a pad or used in the section.
電纜橋架系指電纜梯架、電纜托盤及金屬線槽。電纜橋架主要有鋼制、鋁合金制及玻璃鋼制等。鋼制橋架表面處理分為噴漆、噴塑、電鍍鋅，熱鍍鋅、粉沫靜電噴涂等工藝。電纜橋架的安裝主要有沿頂板安裝。沿墻水平和垂直安裝、沿豎井安裝、沿地面安裝。沿電纜溝及管道支架安裝等。
The cable tray refers to the cable ladder rack, cable tray and metal wire slot. The cable tray is mainly made of steel, aluminum alloy and FRP. Steel bridge deck surface treatment is divided into spray painting, plastic spraying, galvanizing, hot galvanizing, powder electrostatic spraying and other processes. The installation of the cable bridge is mainly along the roof. Install horizontally and vertically along the wall, install along the shaft, and install along the ground. Installation along the cable trench and the pipe support.
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