1, product certification: wire product certification will be "CCC" certification logo, trademarks, model specifications, rated voltage, length, inspection, manufacturing date, the implementation of standards, factory name, site, telephone and other logo are printed clear Chu, and consistent with the product, these will be the regular manufacturers of products, we buy time to see clearly.
2, copper quality: the real copper, is the red color, while the brass is yellow. Another very soft copper, brass hard. As long as you do not buy copper clad aluminum (aluminum, but coated with a layer of copper on the outside, generally used in soft wire), brass is not too much of the current fake.
3, CCC certification mark: CCC certification mark must be on the wire, wire and cable products is a national mandatory safety certification products, all manufacturers must obtain the China Electrical Products Certification Committee certification "CCC" certification, access to "CCC" certification mark, Certificate or product on the "CCC" certification mark. The relationship between the power cord safety, quality of the wire will affect our life and property safety, so be sure to choose a CCC certification mark wire products.
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