[Chai Jin cable tray to recommend the star product - Bridge] If the different levels of cable laying in the same cable tray, the middle partition should be increased isolation. 1.8 When the steel line segment length exceeds 30m, while aluminum cable bridge over 15m. Or when the cable tray after construction should stretch (settlement) seam allowance leaving O-30mm compensation. Its retractable connector plate connection should be used. 1.9 cable ladder, tray width and height should be chosen to meet the requirements of the filling factor of how much money the cable tray, cable ladder in, fill rate is generally the case tray, the power cable desirable 40% -50%, control cables desirable 50%. 70%. L0% and should be reserved for a 252 project development margin. 1.10 In selecting cable tray load rating if the actual span cable tray hanger is not equal to 2m when. The work uniform load should be met: where qG ---- Work uniform load, kN / m; qE ---- uniform load rated cable tray price, kN / m; LG ---- actual span, m. Rated bridge uniform load rating in Table 1. [Chai Jin cable tray to recommend the star product - a bridge], supporting the project as a cable tray wiring works, there is no specific regulatory guidance, a manufacturer specifications program lacks versatility cable tray brand, therefore, the design selection type process should be based on the various systems of weak cable seem the type, quantity and reasonable application of selected bridge. (1) determine the direction: According to the building floor plan, combined with air-conditioning lines and electrical lines and other settings, easy maintenance, as well as cable routing density to determine the best route cable tray. Cable tray specifications | Huludao cable tray | Tianjin bridge provided by the Tianjin factory Chai Jin Chai Jin cable bridge Limited. Chai Jin Tianjin cable bridge Limited (www.tjcjdlqj.com) strong, credible, in Tianjin metal building materials industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Chai Jin cable tray and you hand into the brilliant, for a better future!