The total length of bridge and support shall not be less than
1. The laying cable has a continuous rigid structure system, which is composed of tray (groove) or ladder straight section supported by support, hanger and bracket and non-linear section bent;
2. The total length of bridge and support shall be no less than 2 places connected with grounding or neutral main line;
3. When the bridge is installed and laid, it must be constructed in accordance with the approved design drawings and documents;
4. Where there are fire prevention requirements on the construction site, fire prevention and isolation measures shall be taken;
5. The two ends of the bridge connecting plate shall not be less than 2 locking nuts or the connecting fixing screws of the locking washers.
The above is the relevant content of "the total length of cable tray and support should not be less than" introduced by Shandong cable tray. For more information, please visit the website: http://mika-360.com