耐火橋架的制作

電纜橋架在有防火要求的區段內，可在電纜橋架，托盤內添加具有耐火或難燃燒的板材，并采取在橋架及其支架吊架表層涂刷防火涂層等措施。其整體耐火性能要滿足相關國家標準，在防火要求高的工程項目場所，不宜使用鋁合金電纜橋架！

In the section with fire protection requirements, the cable bridge can be added to the cable bridge and tray with fire-resistant or refractory plates, and to apply a fireproof coating on the surface of the bridge and its support hanger. Its overall fire resistance should meet the relevant national standards. It is not suitable to use aluminum alloy cable tray in project sites with high fire prevention requirements