Classification of wire and cable foundation

First, the definition of wire and cable

Wires and cables are electrical products used to transmit electric energy, transmit data signals and complete the conversion of electromagnetic energy.

Two, the classification of wire and cable

Due to the rapid development of social development and the continuous development of science and technology, the types of wires and cables are increasing. At present, there are more than one thousand kinds of rough statistical analysis, more than twenty thousand specifications and models. According to the manufacturing process, structural characteristics, function regulations, the main use of the product can be divided into five categories:

1, bare wire: refers to the product with and only electrical conductor, and no cable jacket. Including copper, aluminum, and composite metal material round single wire, a variety of structures of overhead power lines with twisted wire, flexible wiring, line and shape.

2. Power cable: Power cable is used to transmit and distribute high-power electrical energy in the trunk road of the power supply system. Including 1-500kV and above a variety of rated voltage, a variety of insulation layer of power cables

3, electrical equipment with wire and cable: from the power supply system of the distribution equipment point to transfer power immediately to a variety of electrical equipment, equipment of a variety of switching power supply connection lines, a variety of industrial and agricultural electrical equipment, installation of cable and control signals with wire and cable. This kind of product has a wide range of applications. At the same time, it is necessary to integrate the characteristics of commonly used machines and equipment and use scene standards to clarify the structure and characteristics of the cable.

4, power cable and optical cable: communication cable is the transmission of mobile phones, telegrams, television, broadcast, fax, information data and telecommunications information content of the cable, representative HYV, MHYV, SYV-75 radio frequency cable.

5. Electromagnetic wire.