How to distinguish the quality of electronic wire harness?

Electronic wiring harness is an abbreviation for the internal connection of electrical equipment. The electrification is mainly based on weak current, which is different from the cable in the field of strong current. Electronic wiring harnesses are divided into three series: UL specification, 3C specification, and VDE specification. The AWG unit is usually UL specification, and the cross-section square unit is usually 3C specification or VDE specification. Domestic electronic wiring harness manufacturers mainly use 3C or UL. These two specifications are the main specifications. 1. When selecting, try to select commodities that meet the requirements of the specifications. Wires and cables are commodities that are compulsory safety certification by the state in China. It is necessary for all production companies to obtain the "CCC" symbol certified by China Electrical Commodity Certification Committee, and mark the "CCC" certification symbol on the commodities and certificates. Export commodities should pay attention to the UL specifications of the United States and the environmental protection RoHS requirements of the European Union.

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Second, in terms of functions and specifications, it is really not a simple matter to choose the one that suits your request among the chaotic and hundreds of electronic wiring harnesses. However, it is not difficult from the actual combat experience. It can be summarized in two steps, top the list, learn from peers, learn from peers' practices, and launch products first. Second, constantly optimize the practices of peers, so that your selection is more suitable for your products in terms of cost, function and environmental requirements. Of course, you can simplify the complexity and consult our customer service directly, and he will be willing to provide his professional opinions for you to choose from. Third, the appearance of the product is smooth and round, and the color is uniform. Wire and cable companies whose products meet the requirements of national standards, in order to improve product quality and ensure that their products meet the requirements of national standards, strictly control the purchase of raw materials, production equipment, production technology, etc. Therefore, the appearance of the produced wire and cable products meets the specification requirements: lubrication and roundness, and uniform color. The appearance of pretending to be defective goods is rough and matte. As for rubber-insulated flexible cables, it is required to have a round appearance, tight sheath, insulation, and conductors that are not easy to peel off. However, the pretending to be defective products have rough appearance, large ovality, and low insulation strength of the sheath, so they can be torn off by hand. 4. The conductor is shiny, and the DC resistance, conductor structure dimensions, etc. meet the requirements of national specifications. Wire and cable products that meet the requirements of national standards, whether aluminum conductors or copper conductors, are relatively bright and oil-free. Therefore, the DC resistance of the conductors fully complies with national standards and has outstanding characteristics.

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