The difference between wire and cable and cable high, medium and low classification
Source : Tianxing Cable | Release date : 2024-05-06
The difference between wire and cable and cable according to the voltage respectively high, low, Qingdao wire and cable manufacturers that the national standard cable is completely in accordance with the national standard to produce the wire. General household, common wires are standard specifications of performance, the national standard specifies the common 5 specifications of performance. Power cable is used for the transmission and distribution of electric power cables, power cables are often used in urban underground power grids, power station lines, industrial and mining enterprises internal power supply and underwater transmission lines across the river and sea.
In the power line, the proportion of cables is gradually increasing. Power cables are cable products used to transmit and distribute high-power energy in the backbone line of the power system, including 1-500KV and above various voltage levels, various insulated power cables. So how to distinguish between the national standard cable and the family wire?
The structure of the two is different, the selection of wires is basically a combination of several relatively soft wires, and there is a layer of insulating skin outside. The cable is composed of one or several insulated strip wires. The outer layer of the wire and cable is made of rubber. The size of the two is different, the size of the wire is smaller, but the size of the cable is larger because the structure is more complex.
The function of the two is different, and the wire can transmit a relatively small amount of electricity. If you choose the cable, the bearing capacity is relatively strong, generally used for the transmission of relatively large power, current and so on. Hardness is also different, choose the wire, relatively speaking, its power and current transmission capacity is not so good, so the hardness is not as high as the cable, more soft.
Voltage class classification
Low-voltage cable: suitable for fixed laying in AC 50Hz, wire and cable rated voltage 3kv and below on the transmission and distribution lines for electricity can be used.
Medium and low voltage cable: (generally 35KV and below) : PVC insulated cable, polyethylene insulated cable, cross-linked polyethylene insulated cable, etc.
High voltage cable: (generally 110KV and above) : polyethylene cable and cross-linked polyethylene insulated cable.
Ultra-high voltage cable: (275 ~ 800KV).
Uhv cable: (1000KV and above).
Qingdao Tianxing Cable Co., Ltd. focuses on the production of customized wire and cable manufacturers, main: fire wire and cable, power cable, control cable and other products, exported to more than 40 countries and regions around the world, the annual production capacity of 1 billion yuan. 6000 square meters of storage, standing hundreds of millions of inventory, order demand for rapid distribution and delivery, large prices more favorable. Hotline: 16678668098