You can refer to the Automobile industry standard of the People's Republic of China, QC/T1037-2016 "Road Vehicle High Voltage Cable". Most of the test items and requirements of this standard follow GB/T 25085 and GB/T 25087. Cable structure cover:

1. AC 600V/DC 900V single-core unshielded high-voltage cable (1.5-70 square meters);

2. AC 600V/DC 900V single-core shielded high-voltage cable (1.5 square ~70 square);

3. AC 600V/DC 900V multi-core shielded high-voltage cable (2X1.5 square ~5X6 square);

4. AC 1000V/DC 1500V single-core unshielded high-voltage cable (10 square ~120 square);

5..AC 1000V/DC 1500V single-core shielded high-voltage cable (10 square ~120 square);           

 Temperature coverage: -40℃~100℃, -40℃~125℃, -40℃~150℃, -40℃~175℃.

Insulation materials: PVC, cross-linked polyethylene (XLPE), cross-linked polyolefin (XLPO), silicone rubber (SIR).

   The above information is from the official website of Huizhou Eleteck Wire and Cable Co., LTD. www.eleteck.com.cn. If you want to know more about the high voltage wire in electric vehicles, please collect the website.