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Power cables are used to transmit and distribute large-function electrical energy in the main line of the power system, while control cables are power connection lines that directly transmit electrical energy from the power distribution point of the power system to various electrical equipment and appliances.

In a wire and cable, the conductor is responsible for doing the main job, moving electricity, energy, or signals from one point to another. The conductor is located at the center of the cable and is what all the other layers of the cable work around to protect. Metals are generally conductive, but some metals are better suited for this task than others. Silver, copper, aluminum, nickel, and tin are some of the most common metals used in conductors, and each has its own advantages and disadvantages.

Not long ago, "Key Technologies of ±500kV DC Cables" passed the subject of performance evaluation. The expert group believes that the research results have promoted technological progress in the field of DC grids in my country in terms of system operation and equipment development, and promoted the development of domestic high-end electrical equipment industry. This achievement has completely independent intellectual property rights, which strengthens the overall independent innovation capability of our country's high voltage DC cable technology.

THHN / THWN / THWN-2 and XHHW / XHHW-2 – are a lot of letters to understand, but they are two common types of building wire, and it’s critical to understand the differences between the two in order to choose the best wire for your application.

We all know that water in the cable is a very serious problem. Sometimes you think that you have done a good waterproof measure, but the cable is still getting water. So how does the cable enter the water? Let me introduce the reasons and countermeasures for the cable entry.

The AL price in the whole year 2020 is up and down so crazily due to the situation and market both at home and abroad caused by the pandemic COVID-19.