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WeiKeru Cable Co., Ltd. is the original Renqiu Hualong Cable Factory, which was founded in 1998. It is located in the Beijing-Tianjin-Baojiao Trade Fair, adjacent to the Beijing-Kowloon Railway... -
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After many years of support from users and friends from all walks of life, and the unremitting efforts of all employees, the original low-voltage power cables, control cables, overhead insulated cables... -
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Obtained China's compulsory product CCC certification on July 27, 2015, and is currently recognized as an AAA credit enterprise, and has obtained quality management system certification, environmental management system... -
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All employees have always followed the company philosophy of "scientific and technological innovation, customer satisfaction, and service to the society", making friends, cultivating the market, improving product quality... -
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The market share is increasing year by year, and the products are sold in 26 provinces, cities and regions across the country. High-quality products and sound after-sales services have been selected by key projects...
How can we really distinguish between good and bad quality cables and wires?
Release Time:
Jun 02,2023
It may be more difficult to detect if the meter is tampered with, because customers generally do not have the equipment to actually measure the meter, and the same method of weighing can be used to know whether the cable is meter. Or it is also a good way to let the factory print the rice mark when producing, but it should be noted that there is no way to print the rice mark on the wire with a diameter of less than 5mm.
It may be more difficult to detect if the meter is tampered with, because customers generally do not have the equipment to actually measure the meter, and the same method of weighing can be used to know whether the cable is meter. Or it is also a good way to let the factory print the rice mark when producing, but it should be noted that there is no way to print the rice mark on the wire with a diameter of less than 5mm.
Cu square copper is a precious metal. If you lose a little on the copper diameter, you can reduce a lot of raw material costs. In this case, you need to use a micrometer to measure the diameter of the copper wire. If you don't have a micrometer, it's easier to just take the whole coil of wire and weigh it to see if it's much lighter than a good quality cable. Or you can refer to the nominal weight given by the factory. The nominal weight given by some factories is too low, so the product quality cannot be guaranteed naturally.
How to identify the quality inside the wire and cable:
High-quality copper cables use high-purity oxygen-free copper, the copper core is bright in color, and the surface of poor copper wire is dull.
Extrusion machine
Plastic Plastic uses high-quality virgin plastic, which has good bending performance and will not produce texture when bending the cable. Poor recycled plastic will have obvious texture after bending several times, and will break after bending many times.
cable equipment
In order to ensure the roundness of the cable, the auxiliary materials will add filler to the core of the multi-core cable, and make it thicker in the thickness of the sheath. If the cable you get is not round, it means that the filler is added very little. And the sheath is thinner.
cable equipment
Bundling Multi-strand copper wires will be bundled during production to improve the tensile properties, roundness, electrical properties and tightness of the copper core, but because bundles will increase the amount of copper used, so many The factory omits this step. The way to distinguish is to cut open the core wire of the cable and see if the copper wires inside are twisted together regularly.
Braided cables with copper mesh braiding layer account for a large part of the cost of cable raw materials, and the coverage of the braiding layer directly affects the electrical performance of the cable. At the same time, the tight braiding layer can increase the strength of the cable and reduce the wire and cable The electrical performance of the cable is reduced in the bent state. Therefore, it is an important means to distinguish good and bad cables by seeing whether the braiding layer has a high coverage rate and the weaving is uniform and fine.
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