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Electronic wire is an abbreviation of the internal wiring of electrical equipment, electrification is mainly weak electricity, with the strong electrical field of the cable has a different concept. Electronic wire is distinguished as UL specification, 3C specification, VDE specification of the three series, the unit of AWG is usually UL specification, the unit of cross-section square is usually 3C specification or VDE specification, the domestic electronic wire manufacturers are mainly 3C or UL these two specifications.
First, in the selection of goods to try to meet the specification requirements, wire and cable in China is attributable to the national forced safety certification of goods, all production companies are required to obtain China's Electrical Commodity Certification Commission certification of the "CCC" symbol, and in the commodities and certificates of conformity marked with the "CCC" certification symbol. Export commodities need to pay attention to the U.S. UL norms and the European Union's environmental protection RoHS request.
Second, from the function, the specification, in the messy and chaotic, thousands of hundreds of kinds of electronic wire in the selection of suitable for your request is not a simple matter. But from practical experience is not difficult, can be summarized in two steps, first, to peer learning, learning from peers, the practice of peers, you can first launch the goods. Second, constantly optimize the practice of peers, so that your selection regardless of the cost, functionality and environmental requirements more suitable for your goods. Of course, you can also simplify, directly consult our customer service, he will be very willing to provide his professional opinion for your selection.
Third, the appearance of goods lubricated round, uniform color. Commodities in line with national norms request wire and cable company, in order to improve the quality of goods, to ensure that the goods meet the national norms request, in the purchase of raw materials, production equipment, production process and other aspects of strict control. Therefore, the appearance of the wire and cable products produced to meet the specification requirements: lubricated round, uniform color. And the appearance of counterfeit and defective goods rough and lusterless. Rubber insulated flexible cable, the request for the appearance of rounded, sheath, insulation, conductor tight and not easy to peel. While the appearance of counterfeit defective goods rough, oval degree, sheath insulation strength is low, with the hand can be torn off.
Fourth, the conductor has a glossy, DC resistance, conductor construction scale in line with national norms. Wire and cable goods that meet the requirements of the national norms, whether it is aluminum material conductor, or copper material conductor is relatively bright, no oil, so the DC resistance of the conductor fully meets the national norms, with outstanding.