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POWER CABLE Structure And Composition

Shenzhen KW-LINK Electronic Co.,Ltd | Updated: Jun 05, 2017

   The structure of the power cord is not very complicated, but not from the surface of the surface can simply see through it 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.POWER CABLE

    The outer sheath, the outer sheath, also known as the protective sheath, is the outermost layer of the power cord jacket, this layer of outer jacket plays a protective power line role, the outer jacket has a strong characteristic, such as high temperature , Low temperature resistance, resistance to 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.POWER CABLE

    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 sheathed, 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.POWER CABLE Structure and composition

    Power cord for home appliances, although only accessories, but the use of home appliances play a vital role, if the power cord is broken, the whole electrical appliances can not be used. Household power lines should use BVV2 × 2.5 and BVV2 × 1.5 models of the wire. BVV is the national standard code for the copper sheath line, 2 × 2.5 and 2 × 1.5, respectively, on behalf of 2 core 2.5 square millimeters and 2 core 1.5 square millimeters. Under normal circumstances, 2 × 2.5 do the main line, trunk, 2 × 1.5 to do a single electrical branch line, switch line. Single-phase air-conditioning line with BVV2 × 4, reprovision with a dedicated ground.