How do you determine the quality of an electronic wire harness?
An electronic wire harness is a shorthand term for the internal wiring of electrical equipment. The electricity carried by these harnesses is typically low-voltage, distinguishing them from cables used in high-voltage environments. There are three main standards for electronic wire harnesses: UL standard, 3C standard, and VDE standard. AWG is generally associated with the UL standard, while cross-sectional areas in square millimeters are usually specified under the 3C or VDE standards. Domestically, electronic wire harness manufacturers primarily focus on either the 3C or UL standards.
Release time:
2022-11-15
An electronic wire harness is a shorthand term for the internal wiring of electrical equipment. The electricity carried by these harnesses is typically low-voltage, distinguishing them from cables used in high-voltage environments. There are three main standards for electronic wire harnesses: UL standard, 3C standard, and VDE standard. AWG is generally associated with the UL standard, while cross-sectional areas in square millimeters are usually specified under the 3C or VDE standards. Domestically, electronic wire harness manufacturers primarily focus on either the 3C or UL standards.
1. When making your selection, try to choose products that meet the specified requirements. Wires and cables are listed as products subject to mandatory national safety certification. All manufacturing companies must obtain the “CCC” mark certified by the China National Certification Committee for Electrical Products and clearly indicate the “CCC” certification mark on both the goods and their accompanying certificates. For exported products, be sure to pay attention to the UL standards of the United States and the RoHS requirements of the European Union.
Second, from a functional and regulatory perspective, selecting the right one from among hundreds of messy electronic wire harnesses is indeed no easy task. However, based on practical experience, it’s actually not that difficult. We can summarize it in two steps: first, take the lead—learn from your peers, adopt their practices, and launch your product first.
Continuously optimize industry best practices to ensure your choices better align with your product’s requirements in terms of cost, functionality, and environmental considerations. Of course, if you’d like to simplify the process, feel free to directly contact our customer service team. They’ll be happy to share their expert advice to help you make the right choice.
3. The product features a smooth, rounded appearance and uniform color. As a wire and cable company that complies with national standards, we conduct rigorous inspections of raw materials, production equipment, and manufacturing processes to continuously enhance product quality and ensure that our products meet the requirements of national standards.
Therefore, the appearance of genuine wire and cable products complies with regulatory standards: smooth and well-lubricated, with uniform color. In contrast, counterfeit and substandard products have a rough and dull appearance. For rubber-insulated flexible cables, the appearance should be round, with the jacket, insulation, and conductor tightly bonded and difficult to peel apart. However, counterfeit and substandard products exhibit a rough surface, significant ovality, low insulation strength in the jacket, and can even be torn off by hand.
4. Whether the conductor has luster, DC resistance, conductor structure dimensions, etc., and whether it meets the requirements of national standards. Wire and cable products that comply with national specifications—whether aluminum-conductor or copper-conductor—are generally bright and free of oil stains; therefore, their DC resistance fully conforms to national standards.
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