The difference between the power cable and ordinary wire break down

Often hear people around all the power lines are collectively referred to as electric wire, power cable was unified, but strictly speaking, this is not correct. Cables  and wires on the size, structure, purpose, characteristics, there are a lot of difference, so can't confuse the two. Today, Shanghai people's cable will discuss  together with you the detailed difference between wire and cable.
1, the material difference
Wire is used for carrying current conductive metal wire. Have a solid and stranded or foil weaving a variety of forms such as. According to the condition of insulation  divided into two categories: bare wires and insulation wire. Cable consists of a root or more mutually insulated conductive thread heart put in sealed sheath made of  insulated wires. It can be add protection layer, the difference between wire and cable wire size is generally small, structure is simple, but sometimes also will cable  in general electric wire.
2, the use of the difference
Package no bare wire insulation or protection layer of wire. Except as a conductor transmission power and information, but also can be used in the manufacture of  motor, electrical components and cables. Usually with copper, aluminum, copper alloy, aluminum alloy. In addition, there are all kinds of insulated wire is suitable  for special requirements, such as automotive low voltage wire, car with high pressure point firewire, motor electrical wiring, air wire, compensation conductor, etc.  Cable for transmission, distribution of electric energy or transmit electrical signals. Cable according to its USES can be divided into the power cable, communication  cable, control cable, etc.
3, the structure difference
The difference of power cable and ordinary wire mainly cable size is larger, the structure is relatively complex. Cable is mainly composed of the following 4 parts  group. Conductive line: made of high conductivity materials. Insulation: used for the insulation of the cable material should have high insulation resistance, high  breakdown electric field intensity. Cable with insulating material classification.
? in addition to the above differences, the cable also has obvious advantages. Compared with overhead lines and cable is the line insulation distance is small, the  advantages of small occupation space, underground laying and not more than take up little space, is not affected by surrounding environment pollution, high  transmission reliability, minor disturbance to personal safety and the environment. Therefore, cable used in more densely populated and the grid is populated areas and  the traffic is busy. Having the effect that cannot ignore to modernization.


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