Aerial cable (also known as overhead insulated cable) is a specialized cable manufactured using a production process similar to cross-linked ABC Cable, which is an overhead conductor with an insulation layer and protective sheath.
According to their different structures, they can be divided into hard aluminum wire structure, hard drawn copper wire structure, aluminum alloy wire structure, steel core or aluminum alloy core support structure, and self-supporting three core lamination structure (the wire core can be hard aluminum or hard copper wire), etc.
Advantages of overhead cables:
- High power supply reliability
The use of overhead cables can greatly reduce various short circuit faults (especially the common flashover faults of overhead bare conductors), and the fault rate is 4-6 times lower than that of overhead bare conductors. - Good power supply safety
The use of overhead cables greatly reduces personal electric shock accidents. When overhead cables are powered on and human or other animals accidentally touch the insulation surface of the cable, as long as the cable is not broken, it will not cause harm to humans or animals. - Easy installation and maintenance
Overhead cables can be installed on any type of tower or along walls. In special cases, they can also run through trees and be directly fixed to tree poles with metal fittings. - Economically reasonable
Although using overhead cables is more expensive than using bare overhead conductors, it is cheaper than ordinary underground installation cables. Therefore, its comprehensive cost is clearly lower, more economical, and more reasonable.
