[Chai Jin cable tray to recommend the star product - the bridge] choose a size, width and height of the bridge on the press table selection, and shall comply with the provisions of the true value of the cable charging rate does not exceed the relevant standards, and power cables desirable 40- 50% of cable tray, control cables desirable 50-70%, and 10-25% of the need to stay away style development margin. 2, various elbow and accessories shall conform to the specifications and conditions of the project layout and matching tray. 3, support and hanger size selection fireproof cable bridge, the bridge should be specifications, the number of layers, the span configuration and other conditions. And shall meet the load requirements. 4, the bridge cross-sectional area of ??choice in Table [Chai Jin cable tray to recommend the star product - the bridge] (11) in the horizontal, vertical and vertical trunking bridge in laying cable, the cable banding response. Four pairs of wire cable bundle with 24 for Cascade cable bridge, 25 pairs or more trunk cable, optical cable and other signal cables should be based on the type of cable, cable diameter, the cable core number splitting banding. Lashing spacing should not be greater than 1.5 m, the deduction should be evenly spaced trough cable tray, elastic moderate. (12) when the tray horizontally laid, the support spacing is generally at 1.5-3m, laid vertically fixed to the building structure body spacing should be less than 2m. (13) when the metal trough laid up in the following circumstances under shelf or hanger: groove joints; spacing 3m; 0.5m two-port trunking leave office; the corner. Fireproof cable tray, cable tray Tianjin Chai Jin (certified), Taizhou cable tray cable tray provided by the Tianjin Chai Jin Limited. Chai Jin Tianjin cable bridge Limited (www.tjcjdlqj.com) is Tianjin, metal building materials leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Chai Jin leader in cable tray with the staff warmly welcome all inquiries negotiations to create Chai Jin cable tray a better future.