GB/T 20234 is the Chinese national EV charging standard with separate connectors for AC (GB/T 20234.2) and DC (GB/T 20234.3) charging. Mandatory in China and used by BYD, NIO, Xpeng, and all Chinese EVs.
| Pin | Name | Function | Type |
|---|---|---|---|
| L1 | AC Phase 1 / DC+ | AC phase 1 or DC positive | PWR |
| L2 | AC Phase 2 / DC- | AC phase 2 or DC negative | PWR |
| N | Neutral | AC neutral | PWR |
| PE | Earth | Protective earth | GND |
| CC | CC | Charge control pilot | BUS |
| CP | CP | Control pilot | BUS |
GB/T 20234 is the Chinese national EV charging standard with separate connectors for AC (GB/T 20234.2) and DC (GB/T 20234.3) charging. Mandatory in China and used by BYD, NIO, Xpeng, and all Chinese EVs.