Low-voltage wires and cables for road vehicles

Highway vehicles with low-voltage wires (referred to as automotive low-voltage wires), usually in accordance with the requirements of the automotive wiring templates processed into a wire harness, and then the wire harness is installed into the car. Automotive wiring harness market is not only directly related to automotive production, and the number of wiring with a single vehicle is closely related to a low-grade car with an average of 800m of low-voltage wires, a mid-range sedan with an average dosage of 1,500m, a luxury car with a dosage of up to 2,500 m. At present, the automotive low-voltage wires are still insulated with PVC-based, but some parts need to be cross-linked polyolefins, thermoplastic elastomers, ethylene propylene rubber, Silicone rubber and even fluoroplastics. Automotive low-voltage wire conductor, in addition to the motor line to consider the use of aluminum conductors, other than copper conductors. The latest design, hope that the conductor cross-section further reduced to 0.10mm2 and below, the mechanical strength of copper can not meet the installation requirements, is now considering the use of copper-clad steel wire. JB/T8139-1999 "road vehicles with low-voltage cables (wires)," the standard varieties of stranded less than fully meet the requirements of the use of the various automobile manufacturing companies have their own specifications for procurement of electrical wires. The current China Automotive Industry Association developed standards, but also to PVC thin insulated low-voltage wires, but in fact the number of applications of cross-linked polyolefin and silicone rubber insulated low-voltage wires are also quite a lot. Sedans, digital transmission cables and fiber optics have been used.

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