In electric vehicles, the high-voltage cable of electric vehicles is used to connect the charging port with the battery, the interior of the battery, the battery with the engine and other components, as well as the battery energy storage equipment, as the carrier of internal power transmission. The charging cable is used to connect the electric vehicle charging device and charging infrastructure, so as to transmit power to the electric vehicle. The following describes the distinction between the cables of the two products from outside to inside, and then from the certification standard. The differences between the two kinds of cables are introduced from cable protection measures, physical performance requirements to cable core.

Different measures shall be taken to protect high-voltage cables in the harsh environment around the vehicle; The charging cable has no protective measures and has to withstand various impacts and ultraviolet exposure.

Different physical performance requirements: the automobile high-voltage cable needs to meet the wear-resistant requirements of the automobile; The charging cable shall meet the anti rolling requirements of mobile cable.

Different chemical resistance: the high-voltage cable of the automobile should withstand all kinds of liquids that can be contacted on the automobile; The charging cable shall withstand various liquids in the living environment outside the vehicle.

Different size requirements: due to space constraints, automotive high-voltage cables have strict size requirements. The smaller the size, the better; The charging cable has no size limit and can be made thicker and larger.

Different color requirements: the color of automobile high-voltage cable is orange according to international regulations; There is no requirement for the color of the charging cable. The number of cable cores is different: in order to facilitate laying, the automobile high-voltage cable is usually dominated by single core; The charging cable is usually a multi-core integrated cable, including high-voltage main line, ground wire, low-voltage signal line and even communication double effect line (can). Different international standards: the international standards of automobile lines are formulated by ISO; The international standard of charging line shall be formulated by IEC organization.

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