The difference between overhead cables and electrial power cables

2017-09-11

 Overhead cable with insulation and outer cover，it hangs a certain height from the ground. It is susceptible to the external environment. However, the cost of overhead cable is low and the structure is simple. Most of overhead cable is single core 。According to the different structure is divided into hard aluminum structure, hard pull copper structure, aluminum alloy wire structure, power supply reliability etc. its advantage are security, economical and reasonable. What is the difference between overhead cable and the electrial power cable? Today Huatong cable analyze the problem.
The main function of the electrial power cable is same with overhead cable, with insulating material and variety of protective layer. The difference between with overhead cable is that it can be laid in a variety of environments, not easily affected by the external environment, and the use time is longer. Because the process of electrial power cable is more complex than overhead cable，so its price is higher. Electrial
Power cable is generally used where the overhead cable can not be used. Such as industrial and mining enterprises in the city, trunk power lines and underground tunnels. Overhead wires and power cables together to form power lines. Overhead wires focus on power transmission, change, power distribution, power cables focus on power distribution and power terminals. So the production of low-voltage power cable in more than 98%.