The cable tray is suitable for laying power cable and control cable indoors and outdoors in industrial and mining enterprises, and also for indoor and outdoor erection in telecommunication, radio and television departments.
In order to standardize the cable tray accessories and cable tray Market, relevant departments published the standard definition of cable tray accessories. Cable tray manufacturers remind you that the purchase of cable tray is also extremely important. The selection of accessories needs high quality and compression resistance to meet the construction needs. The commonly used cable trays include tee, elbow, reducer, screw, lock, bracket, suspender, cross arm, connecting piece, grounding wire, etc.
Common bridge accessories include cable terminal box, cable intermediate box, connecting pipe and terminal, steel plate wiring slot, etc. For vibration place, spring coil should be installed at the connection of grounding part. The bridge system shall have reliable electrical connection and grounding. The following requirements shall be met when the main line grounding system is formed:
1. The connection resistance between bridge ends shall not be greater than 0.00033 ohm, and the insulation coating shall be removed from the grounding hole.
2. In the system of 1kV and below neutral point direct grounding, the grounding of the receiving equipment is connected with the neutral line of the system.
The above is the related content of Xiaobian's explanation, I hope it can help you!