Installation standards and requirements of cable bridge

Cable tray is a kind of structural facilities to support, protect and install cables, and its installation standards and requirements are very important for the service life and operation safety of cables. The installation of cable tray shall conform to relevant national and local standards and specifications, such as GB50086 Code for Electrical Design and DL/T5053 Code for Cable Tray Design. The following points should be paid attention to when installing cable tray: First, make reasonable selection and design according to the number, size and weight of cables to ensure the bearing capacity, rigidity and stability of cable tray. Secondly, it is necessary to ensure that the installation position, height, span and support mode of the cable tray meet the requirements of the specification, and avoid problems such as uneven stress and excessive vibration of the cable caused by improper installation. In addition, we should also pay attention to the special requirements of cable bridge such as corrosion prevention, fire prevention and explosion prevention, and choose appropriate materials and treatment methods. In the installation process, the welding, bolt connection and wall fixation of cable tray should be carried out in strict accordance with the standards to ensure its firmness and reliability. At the same time, we should also pay attention to the safety problems in the construction process, such as the protection of workers and the order of the site, to ensure safe production. In a word, the installation standards and requirements of cable tray involve many factors, and should be selected, designed and installed according to the actual situation, and strictly follow the relevant codes and standards to ensure the safety and stability of cable operation.