What are the common quality problems in the installation of cable tray
Release time:
2024-01-16
What are the common quality defects in the installation of cable tray? common quality defects in the installation of cable tray in use: 1, the full length of metal cable tray and cable tray is not reliably
What are the common quality defects in the installation of cable tray? common quality defects in the installation of cable tray in use: 1, the full length of metal cable tray and cable tray is not reliably grounded (2 places); 2, the alloy cable tray is not set up with telescopic joints in accordance with the specifications; 3. The cable tray is not fixed between the cable tray and the bracket, and the bridge bracket is not grounded.
4. There is no fire prevention blocking in the part passing through the fire protection zone; 5. There is no insulation treatment against electrochemical corrosion between aluminum alloy cable tray and steel bracket; 6. Bridge elbows, tees and other finished accessories that are not used and matched with bridge brackets. On the contrary, it is produced by on-site processing, and the processing quality does not meet the requirements of the specification at all. 7. When installing the bridge with screw hangers, the anti-shaking bracket is not set up in accordance with the requirements of the code; 8. The steel support is not constructed according to the requirements of the anti-corrosion index; 9. The grounded span wire is randomly installed or leaked on both sides of the bridge, such a grounding span wire should be located on the conspicuous side. 10. The crimping sequence of the nose of the grounding span wire and the claw gasket is reversed, and some are not equipped with claw gaskets. Galvanized bridge bridge grounding bolts are not provided with anti-loosening gaskets; 11. The inner alloy cable tray of the ceiling and the leaky cover of the trough bridge tray cover plate; 12. The nuts of the fixed bolts of the bridge connecting plate are installed on the inside of the bridge; 13, the bridge and distribution boxes, cabinets and connected or connected steel pipes are not grounded.




Keywords:
Latest News
Shandong Hongfeng Electric Group Co., Ltd.
2025-06-19
Shandong Hongfeng Electric Group Co., Ltd.
2025-06-17
Cable Tray Selection for Solar Power Plants
2025-06-17
Installation mode of steel trough cable tray
2024-02-17
Submit information for support
Hongfeng Group has become one of the "best-selling brands" in the cable tray industry with its plant size, product quality and warm service.Sincerely hope to serve our customers with the best service and quality and create value for all customers. We are trying our best to be your most satisfied partner.
No.2 House, Jialong Road, Jiaming Industrial Park, Dongchangfu District, Liaocheng City, Shandong Province, China