防火電纜橋架在容易積灰塵、充斥易燃粉塵或防日曬的室內外環境中需要加蓋板，在室外經常下雨的環境中要起脊和打排水孔，以防止防火電纜橋架進水后發生積水現象。山東電纜橋架廠家在此講解更多知識點，如下：

The fireproof cable tray needs to be covered in indoor and outdoor environments that are prone to dust accumulation, full of combustible dust or sun protection, and ridging and drainage holes should be drilled in outdoor environments that often rain to prevent water accumulation after water entering the fireproof cable tray. The manufacturer of cable tray in Shandong will explain more knowledge here, as follows:

1、標準

1. National standards

防火電纜橋架標準中主要品種有直線段代號為A，水平彎通代號為B，水平三通代號為C，水平四通代號為D。防火電纜橋架2000標準防護類型有普通型代號J，濕熱型代號為TH。防火電纜橋架2000標準包含橋架的型式及品種、托盤和梯架的規格、荷載等級的選擇，防火電纜橋架2013標準包括橋架的常用規格尺寸、板材厚度和額定均布載荷等級。

The main varieties of fireproof cable tray in the national standard include straight section code A, horizontal elbow code B, horizontal tee code C, and horizontal cross code D. The protection type of fireproof cable tray 2000 national standard includes common type code J and damp heat type code TH. The national standard of fireproof cable tray 2000 includes the type and variety of cable tray, the specification of tray and ladder, and the selection of load grade. The national standard of fireproof cable tray 2013 includes the common specification and size, plate thickness, and rated uniform load grade of cable tray.

2、厚度標準

2. Thickness standard

防火電纜橋架標準中噴塑工藝表面涂層的厚度要求>=50um,電鍍鋅表面鋅層厚度要求>=12um，熱浸鍍鋅表面鋅層厚度要求>=65um。VCI雙金屬涂層厚度要求>=60um。防火電纜橋架標準中波紋底托盤橋架的寬度小于300mm時，側板的厚度應少為1.0mm，波紋底板的厚度應為0.7mm,蓋板的應不小于0.6mm。

In the standard of fireproof cable tray, the thickness of surface coating of plastic spraying process is required to be>=50um, the thickness of zinc layer on galvanized surface is required to be>=12um, and the thickness of zinc layer on hot-dip galvanized surface is required to be>=65um. The thickness requirement for VCI bimetallic coating is>=60um. When the width of corrugated bottom tray tray in the fireproof cable tray standard is less than 300mm, the thickness of side plate shall be at least 1.0mm, the thickness of corrugated bottom plate shall be 0.7mm, and the thickness of cover plate shall be not less than 0.6mm.

3、橋架安裝

3. Bridge installation

防火電纜橋架安裝如果是托盤從室外進入室內，則在室外那段建議梯式橋架，并在進入墻體處進行封堵防滲水處理。防火電纜橋架安裝時，對于有防雷要求的防火電纜橋架，其外殼要與防雷接地裝置可靠連接。敷設在電纜豎井的防火電纜橋架安裝時，其固定支架不應該安裝在固定電纜的綁線支架上，且應當每隔3～5層設置承重支架，防止固定支架的承重超過其載荷。

For the installation of fireproof cable tray, if the tray enters the room from the outside, it is recommended to use ladder type tray in the outdoor section, and block and prevent water seepage at the entrance to the wall. During the installation of fireproof cable tray, the shell of fireproof cable tray with lightning protection requirements shall be reliably connected with the lightning protection grounding device. When installing the fireproof cable tray laid in the cable shaft, its fixed support should not be installed on the binding support of the fixed cable, and the bearing support should be set every 3-5 layers to prevent the bearing of the fixed support from exceeding its safe load.

防火電纜橋架有哪些介紹？我們在這里先從它的三個方面來做了講解，希望能夠給您有效的幫助，您還有什么疑惑或者需求，就來我們網站http://www.888hv.cn咨詢了解吧！

What is the introduction of fireproof cable tray? We have explained its three aspects here first, hoping to provide you with effective assistance. If you have any doubts or needs, please come to our website http://www.888hv.cn Consult and understand!