1. What are the types of commonly used wires and cables according to their purpose?
Answer: According to the purpose, it can be divided into bare wires, insulated wires, heat-resistant wires, shielded wires, power cables, control cables, communication cables, radio frequency cables, etc.

2. What kinds of insulated wires are there?
Answer: There are the following types of commonly used insulated wires: PVC insulated wires, PVC insulated cord, Nitrile and PVC compound insulated flexible wires, Rubber insulated wire, Directly buried aluminum core plastic insulated wires for agricultural use, Rubber insulated cotton yarn textile flexible wire, PVC insulated nylon sheathed wires, PVC insulated cords for power and lighting, etc.

3. What kind of occasion is the cable tray suitable for?
Answer: The cable tray is suitable for laying power cables and control cables indoors and outdoors in general industrial and mining enterprises, and can also be used for indoor and outdoor installations in telecommunications, radio and television departments.

4. What are the cable accessories?
Answer: Commonly used electrical accessories are cable terminal junction box, Cable middle junction box, Connecting pipes and terminals, Steel plate connection slot, Cable tray, etc.

5. What is the cable middle connector?
A: connection cable conductor of the cable, the insulating barrier layer and the protective layer, so that the device connected to the cable line, referred to as intermediate cable connector.