Professional Cable Tray Manufacturer

The bridge shall be provided with fixed support points within the 500mm at both ends of the junction box, box, cabinet, corner, turn and deformation joint and the three ends of the T-joint. 
It is strictly forbidden to use electric welding to cut the hanger and to fix the hanger with wooden brick. 
Bridge erection. 
4.1 when the bridge is installed horizontally, the support span is generally 1.5lu 3m, and the distance between fixed points is not easy to be more than 2m when laying vertically. 
4.2 the bridge shall be flat, no distortion, no burr on the inner wall, and all kinds of accessories are complete. 
4.3 the bridge interface shall be flat and the seams shall be tight and straight. 
After the slot cover is installed, it should be flat, there is no warping angle, and the position of the outlet is accurate. 
4.4 when laying in the ceiling, if the ceiling cannot be mounted, there should be a manhole. 
4.5 the iron parts of all non-conductive parts of the bridge shall be connected and spanned so that they become a continuous conductor and shall be grounded as a whole; braided copper wire shall be used for the grounding span between each section of the bridge. 
4.6 when the bridge passes through the deformation joint of the building, the bridge itself shall be disconnected, and the slot shall be lapped with a connecting plate and does not need to be fixed. 
The protective ground wire and the conductor in the slot should have compensation margin. 
The steel bridge in the straight line section should conscientiously implement the safety construction rules and regulations to strengthen the management of the construction personnel, implement the safety construction technical measures, inspect and supervise the construction personnel to work safely, so as to achieve safe and civilized construction. 
1.2 organize the construction personnel to study the construction standards and be familiar with the construction drawings, carry out the construction strictly in accordance with the requirements of the design and relevant regulations, codes and standards, check the construction quality at any time, and rectify the problems in time. 
1.3 the electrical, mechanical equipment and safety protection devices used in scaffolding, parallel scaffolding and construction site shall comply with the relevant safety regulations and pass acceptance before they can be used. 
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The construction personnel shall abide by the following regulations during the whole construction process: 
2.1 must abide by and implement the relevant management system of safe production and civilized construction, and shall be subject to the inspection and supervision of the supervisors of the construction unit. 
Safety helmets must be worn to enter the construction site, and safety belts must be fastened for high-altitude work. 
2.3 when working in the control room and switch room, guardians must be present and work in the event of a power outage. Metal items such as watches, keys, lighters and pens should be removed, insulated gloves and insulated shoes should be worn. 
2.4 when it is necessary to arrange the discharge cable, the consent of the guardian shall be sought in advance and shall be carried out under the supervision of the guardian. 
2.5 after the completion of the construction, the construction site shall be cleaned up. 
Safety construction management system. 
1. Be sure to register the time, number of people and work content in and out of the work area. 
2. Construction personnel should wear work badge, safety helmet and overalls when they enter the construction site. 
3. when entering the work area for construction, smoking is strictly prohibited. 
4. The live operating area must be allowed to wear insulated gloves and insulated shoes when working.