SAE J1772 is the North American standard AC EV charging connector for Level 1 (120V) and Level 2 (240V) charging. The control pilot (CP) uses PWM to communicate available current from the EVSE to the vehicle.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | L1 | AC line 1 | PWR |
| 2 | L2 | AC line 2 or neutral | PWR |
| 3 | PE | Protective earth ground | GND |
| 4 | PP | Proximity pilot connector present | I/O |
| 5 | CP | Control pilot PWM signal | BUS |