The structure of the power cord is not very complicated, but not from the surface of the simple can see it all at once, if the good to study the power cord, then some places still need to understand the structure of the power cord.
The structure of the power cord mainly to the outer jacket, inner sheath, conductor, the common transmission conductor copper, aluminum wire and so on.
Outer jacket
The outer jacket is also known as the protective sheath, is the outermost layer of the power cord, this layer of outer jacket plays a protective power line role, the outer jacket has a strong feature, such as high temperature, Anti-natural light interference, winding performance, high life, environmental protection and other characteristics of materials. Inner sheath: inner sheath, also known as the insulation jacket, is the power cord indispensable part of the middle structure, insulation sheath with the name suggests is insulation, to ensure that the power cord is safe, so that between the copper and air Will produce any leakage phenomenon, and the insulation sheath of the material to be soft, to ensure a good fit in the middle layer.
Copper wire
Copper wire is the core of the power cord, copper wire is mainly the current and voltage of the carrier, the copper wire density directly affects the quality of the power cord. Power cord material is also an important factor in the quality of checks, the number of copper and flexibility is also considered one of the factors.
Inner sheath
The inner sheath is a layer of material that wraps the cable between the shield and the core, usually of polyvinyl chloride or polyethylene. There are also low smoke halogen-free material. In accordance with the provisions of the use of technology, so that the insulation will not contact with water, air or other objects, to avoid insulation and insulation of the insulation layer from mechanical damage.