News

  • The difference between DC cable and AC cable

    Both DC and AC cables are used to transmit electrical power, but they differ in the type of current they carry and the specific applications they are designed for. In this response, we’ll explore the differences between DC and AC cables, covering aspects such as current type, electrical characteristics, applications, and safety considerations. Direct current […]

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  • The use and characteristic of overhead insulated cable

    The overhead insulated cable series products are composed of pressed copper and aluminum (aluminum alloy) conductors, inner shielding layer, weather-resistant insulating material and outer shielding layer. They have both the power transmission characteristics of power cables and the strong mechanical properties of overhead cables. Compared with bare wires, this product has the characteristics of small laying spacing, […]

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  • The 134th Canton Fair: New opportunities for Zhongwei Cable

    From October 15, 2023 to October 19, 2023, the five-day 134th Canton Fair concluded successfully online and offline. According to statistics from the organizing committee, as of October 19, more than 100,000 overseas purchasers from 210 countries and regions around the world had attended the conference offline. The number of attendees increased significantly compared with […]

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  • How does the fire resistant cables prevent fire?

    Fireproof cable is a cable with an outer layer wrapped with fireproof material. It is mainly used in floors, factories and high-rise buildings to protect cables from fire damage. The fireproof principle of fireproof cables is to wrap a layer of fireproof material on the outer layer of the cable. When the cable catches fire, […]

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  • Do you know what materials are used in cable sheaths?

    The cable jacket is the outermost layer of the cable. It serves as the most important barrier in the cable to protect the safety of the internal structure and protects the cable from mechanical damage during and after installation. Cable jackets are not meant to replace the reinforced armor inside the cable, but they can […]

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  • What do the different colors of wire insulation mean?

    The operation of power cables is one of the important links in our daily life, work, and production. I wonder if you have noticed that the colors of the insulation layers of home decoration wires are different, so what do they mean? Let the editor introduce to you what the different colors of wire insulation […]

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  • What is an environmentally friendly cable?

    What is an environmentally friendly cable and what are its characteristics? Environmentally friendly cables refer to cables that do not contain heavy metals such as lead, cadmium, hexavalent chromium, mercury, etc., do not contain brominated flame retardants, do not produce harmful halogen gases, do not produce corrosive gases, generate less heat when burned, and do […]

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  • What is difference between low smoke halogen free cable and mineral insulated cable?

    Low smoke halogen free cable and mineral insulated cable are two different types of cables; The editor will share with you a comparison between low smoke halogen-free cables and mineral insulated cables in terms of materials, characteristics, voltage, usage, and price. 1. Comparison of Cable Materials Low smoke and halogen-free cable: rubber insulation without halogen […]

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  • What are the disadvantages of aluminum wire?

    When renovating, some people will choose wires of different sizes according to the power consumption. However, after the renovation is completed, circuit overload and other problems often occur. So where is the problem? The main reason is that they use aluminum wire or copper-clad aluminum wire. What is the difference between copper wire and aluminum […]

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  • How to choose cable cross-sectional area?

    In electrical design and technical transformation, electrical personnel often do not know how to scientifically select the cross-sectional area of cables. Experienced electricians will calculate the current based on the electrical load and select the cross-sectional area of the cable very simply; The union selects the cable cross-section based on the electrician’s formula; I would […]

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