1. Check the "CCC" certification mark
Power cable products are compulsorily certified products. All manufacturers must obtain the "CCC" certification issued by the China Electrotechnical Product Certification Commission, and have the "CCC" certification mark on the certificate or product.
2. Check the inspection report
As a product that affects people and property, power cables have always been listed as the focus of government supervision and inspection, and regular manufacturers are subject to periodic inspection by the supervision department. Therefore, the seller should be able to provide the inspection report of the quality inspection department, otherwise, the quality of power cable products will lack of basis.
3. Look at the package
The regular enterprises that produce products that meet the standards pay much attention to the product packaging of power cables. When purchasing, pay attention to exquisite packaging, clear printing, complete models, specifications, factory name and address.
4. Look at your appearance
The appearance of the product is smooth and round, and the color is even. For power cable enterprises whose products meet the standard requirements, in order to improve the product quality and ensure that the products meet the standard requirements, they strictly control the purchase of raw materials, production equipment, production process, etc. Therefore, the appearance of the power cable products produced meets the standard requirements, which are smooth, round and even in color. The appearance of fake and inferior products is rough and lusterless. For rubber insulated flexible cables, the appearance shall be round, and the sheath, insulation and conductor shall be tight and not easy to peel off. The fake and shoddy products have rough appearance, large ovality and low insulation strength, which can be torn by hand.
5. Look at the conductor
The conductor is glossy, and the DC resistance and conductor structure size meet the standard requirements. Wire and cable products that meet the standard requirements, whether aluminum or copper conductors, are bright and free of oil, so the conductor's DC current.
