Wire is small, "responsibility" weighs and teaches you how to distinguish between good and bad

Although the wires are small, the responsibility is heavy, and many fires are caused by the aging of the wire lines, the unreasonable configuration, or the poor quality of the wires. Therefore, choosing the right wire is the top priority for safety.

Home appliances can not be separated from the wires, especially the old houses, but the wires are small and “responsible” is significant. A lot of fires are caused by the aging of the power lines, their unreasonable configuration, or the poor quality of the wires used. Therefore, consumers must polish their eyes when buying electric wires, carefully identify them and prevent them from occurring.

The state has explicitly stated that copper conductors should be used in new houses. However, copper conductors are also used, and inferior copper conductors are also used. The copper core uses recycled copper and contains many impurities. Some poor-quality copper conductors are even less conductive than iron wires, which can easily cause electrical accidents. At present, there are many kinds of wires on the market, many specifications, and prices are chaotic. It is very difficult for consumers to choose. In terms of the prices of 2.5 square millimetres and 4 square millimetres of two kinds of copper wires that are commonly used in home decoration, the price of one line of the same specification may vary by 20% to 30% because of different manufacturers. As for the quality, whether the length is up to standard, consumers are even more difficult to determine.

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According to industry sources, the reason why the prices of wires are so different is that they are caused by different raw materials used in the production process. The main raw materials for producing wires are electrolytic copper, insulating materials and sheathing materials. At present, the raw material market has about two million yuan per ton of electrolytic copper, and only about 15,000 yuan per ton of recycled copper; the price of high-quality insulation materials and sheathing materials is between 8,000 and 8,500 yuan per ton. The price of only 4,000 yuan to 5,000 yuan per ton, the difference is even more disparity. In addition, the lack of length and inadequate insulation of the insulators are also important reasons for price differences. The length of each line, excellent products is 100 meters, while the defective product is only about 90 meters; the insulation content of excellent products accounted for 35% to 40%, while the defective product is only 15%. By contrast, it is not difficult for consumers to see that the difference in the sales price of finished wire is due to the presence of tricky materials.

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