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03
2024-04
What are the reasons for overheating of wires and cables during use?
When wires and cables are powered on, the metal core will heat up. As the power on time increases, the surface temperature of the wires and cables will become higher and higher. If not handled in a timely manner, the consequences can be imagined. The PVC wires and cables we commonly use have a PVC sheath, which is considered based on the upper limit of the core temperature of 70 degrees, and the surface temperature will be 5-10 degrees lower. So it is fundamentally safe for the surface temperature of the cable to be below 60 degrees. From the perspective of power maintenance, of course, the lower the temperature, the better.
2024-04-03
03
2024-04
There are numerous wire and cable enterprises in our country, and product homogenization is severe. In order to improve quality while effectively controlling costs and legally gaining competitive advantages
2024-04-03
03
2024-04
Six important indicators for quality inspection of wires and cables
The inspection of wires and cables has always been an important part of the national standard wires and cables. The higher the quality inspection department within a wire and cable enterprise, the better the quality of the wires and cables produced by the enterprise, and the more trustworthy it is. The stricter the third-party quality inspection department, the more conducive it is to the development of this industry.
2024-04-03
03
2024-04
Comprehensive Analysis of the Wire and Cable Industry
Cables are essential foundational products for transmitting electrical (magnetic) energy, transmitting information, achieving electromagnetic energy conversion, forming automated control circuits, and manufacturing various electrical equipment. The main structure of cables is "conductor+insulation+sheath". The conductor is generally made of copper, aluminum or its alloy, while the insulation and sheath are generally made of materials such as rubber, polyethylene, polyvinyl chloride, etc
2024-04-03
03
2024-04
Fault finding and analysis of power cables!
Mechanical damage is mainly caused by physical collisions, pulling, and other reasons for cable damage. According to relevant statistical data, mechanical damage is the most common cause of cable failures, which can be classified as follows.
2024-04-03
03
2024-04
Installation measures for control cables
The rated voltage of the control cable should not be lower than the working voltage of the circuit and should meet the requirements of transient and power frequency overvoltage that may be experienced
2024-04-03