[Chai Jin cable tray to recommend the star product - bridge] bridge fire zone fire safety requirements, and corrosion-resistant cable bridge, you must use steel or non-flammable, fire-retardant materials. I produced a series of cable tray are BJⅢ fire bridge. V. Ground 1, the bridge system should have a reliable electrical connection and ground (only metal tray). 2, while allowing the use of the bridge when the grounding line loop system configuration meets the following requirements. The connection resistance between the ends of the bridge should not exceed 0.00033 ohms, cable tray spot, grounding hole should remove the insulation coating. [Chai Jin cable tray to recommend the star product - bridge] introduces modular cable bridge cable bridge cable bridge is a new modular bridge, Baodi cable tray, cable tray series is the second generation of products. It is suitable for various projects, the various units, a variety of cable laying, it has a simple structure, flexible configuration, easy installation, in the form of new features. [Chai Jin cable tray to recommend the star product - bridge] 1.7 different voltage cables for different purposes should not be laid in the same layer cable tray: (1) 1kV and above and below 1kV cables: (2) the same path dual power supply to a load circuit cables; (3) emergency lighting and other lighting cables: (4) power, control and telecommunications cables. Galvanized cable trays, well-known manufacturers Chai Jin cable tray, cable tray from the Tianjin Baodi Chai Jin cable bridge Limited. Chai Jin Tianjin Cable Bridge Co., Ltd. (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.