The automobile wiring harness is the network main body of the automobile circuit and the carrier for the existence of the automobile circuit. The automobile wiring harness is the bridge and link between the vehicle's electrical components and the nervous system for the vehicle's power and signal transmission and distribution. High-voltage wire harnesses can be configured to connect internal and external wire harnesses of electric vehicles according to different voltage levels.

Electric vehicle high-voltage wire harnesses can be divided into motor high-voltage wires, battery high-voltage wires, charging high-voltage wires, etc., which are mainly used to provide high-voltage power supply to new energy vehicles. The basic structure of high-voltage wires consists of wire core (conductor), insulation layer, shielding layer and protective layer. Partially composed.

When using electric vehicles, it is usually sufficient to use wires with a rated temperature of 105°C, as long as the wires are not used in the engine compartment or other areas that are resistant to higher temperatures. Electric vehicle high-voltage wires usually have a temperature higher than this, such as 125°C or 150°C. If the routing inside an electric vehicle is unfavorable, the OEM will even put forward higher requirements for high temperature resistance. Such as near the exhaust pipe, in front of the motor, on the back of the battery, etc.

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