[Chai Jin cable tray to recommend the star product - the bridge] 1.7 different voltage cables for different purposes should not be laid in the same layer of cable tray: (1) 1kV and above and below 1kV cables: (2) the same path power to a load of double-circuit cable; (3) emergency lighting and other lighting cables: (4) Power cable tray standard, control and telecommunications cables. [Chai Jin cable tray to recommend the star product - the bridge]. (2) When the installation position of the laying of the cable tray tray level trough cable tray, height from the ground is generally not less than 2.5m. When the bridge multi-laying, for cooling, maintenance, and anti-interference between the needs of the bridge layer should leave some distance cable tray when the tray with a variety of pipeline laid in parallel cable bridge, the spacing should comply with the relevant regulations. (3) the quality hangers hanger cable tray installation shall comply with the relevant technical standards when the current level of laying cable tray, support span is generally 1.5 ~ 3m a try when laid vertically, fixed spacing of not more than 2m two-phase level between adjacent bridge corbel height difference should not be greater than 10mm, two adjacent vertical deviation corbel vertical centerline of the bridge should not exceed 20mm. Cable tray fire, Qitaihe cable tray, cable tray selected by Tianjin Chai Jin Chai Jin cable tray 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!