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How to distinguish between national standard and non-standard wire and cable

2021-04-25 10:52:23
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    How to distinguish between national standard and non-standard wire and cable


     Today, with the continuous development of society. There are more and more types of wires and cables in the market. How to distinguish the "national standard" and "non-standard" of the wires and cables? Jixing Wire and Cable teaches you: one look, two test, three weighing, four price comparison, four tricks to see the difference.


     Nowadays, the application of wire and cable is more and more extensive, and subsequently, there are more and more types of wire and cable sold in the market. So, how do we distinguish the "national standard" and "non-standard" of wires and cables? To this end, the editor consulted industry veterans, and they gave five ways to distinguish between "national standard" and "non-standard" wire and cable:


       one look. It depends on whether the wire and cable product has a quality system certification, whether the certificate is standardized, whether there are factory names, factory addresses, inspection stamps, and production dates, and whether there are trademarks, specifications, and voltages printed on the wires. It also depends on the cross-section of the copper core of the wire. The high-quality copper is bright in color and soft in color, otherwise it is inferior.


       Second try. It is recommended to bend a wire head repeatedly by hand. Anything with a soft hand feel, good fatigue resistance, a large plastic or rubber hand feel and no cracks on the wire insulator, is an excellent product.


       Three weights. Good quality wires and cables generally weigh within the specified weight range per 100m. For example, the commonly used plastic insulated single-strand copper core wire with a cross-sectional area of 1.5mm2 has a weight of 1.8-1.9kg per 100m; a 2.5mm2 plastic insulated single-strand copper core wire has a weight of 3-3.1kg per 100m; 4.0mm2 of plastic Insulated single-strand copper core wire, weighing 4.4-4.6kg per 100m, etc. Poor quality wires have insufficient weight, either the length is not enough, or the copper core of the wire is too much impurity.


      Four ratios of price. Due to the low production cost of counterfeit and shoddy wires, vendors often sell them at low prices under the guise of low prices and good quality when selling. Therefore, when making a purchase, be careful not to dazzle the merchant's advertised "good quality and low price", and ultimately be deceived.


    The above content is provided by Suzhou Zhenlei Wire and Cable Co., Ltd. The company's main business: non-standard wires and cables, Suzhou wires and cables, Suzhou wire and cable manufacturers, etc.


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