[Chai Jin cable tray to recommend the star product - bridge] support and hanger configuration 1, indoor branch, hanging a short span generally take 1.5-3m. Outdoor column in the span generally take 6m. 2, support and hanger configuration on non-linear segment following principles. When the bridge width 300mm, in addition to meeting the following conditions, in the middle of the addition of a non-linear segment should support and hanger. 3, when the bridge multi-center distance between layers is set to 200,250,300 strong electrical fire bridge, 350mm. 4, the bridge should remain straight segment joints every 50m 20-30mm (metal bridge). [Chai Jin cable tray to recommend the star product - bridge] at 1KV and below neutral grounding system, grounding neutral grounding powered devices connected to the system. Air-powered equipment is automatically turned off at Villa, the long direction of the metal bridge level cross-sectional area shall not be less than the specified value. 3, galvanized bridge along the full length of the grounding line laying another fire bridge, each (including non-linear segment) should be at least a little bridge a reliable connection with the grounding line. 4, for vibration place, at the junction of the ground portion of the coil should be installed. [Chai Jin cable tray to recommend the star product - bridge] bridge fire zone fire safety requirements, must be steel or non-combustible, 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 bridge). 2, when the system configuration should be allowed to use the bridge circuit grounding line meets the following requirements. Connection resistance between the ends of the bridge should not exceed 0.00033 ohms, grounding hole should remove the insulation coating. Fire bridge Quote | baodi fire bridge | Chai Jin-wide network of professional cable tray provided by the Tianjin Chai Jin first 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!