NEMA Configurations for general-purpose nonlocking Plugs and Receptacles
| Voltage | 15 Ampere | 20 Ampere | 30 Ampere | 50 Ampere | 60 Ampere | ||||||
| Receptacle | Plug | Receptacle | Plug | Receptacle | Plug | Receptacle | Plug | Receptacle | Plug | ||
| 2 Pole 2 Wire | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 125V | 1 |
 1-15R |
 1-15P |
||||||||
| 250V | 2 |
 2-15P |
 2-20R |
 2-20P |
 2-30R |
 2-30P |
|||||
| 277V AC | 3 | Reserved For Future Configurations | |||||||||
| 600V | 4 | Reserved For Future Configurations | |||||||||
| 2 Pole 3 Wire Grounding | |||||||||||
| 125V | 5 |
 5-15R |
 5-15P |
 5-20R |
 5-20P |
 5-30R |
 5-30P |
 5-50R |
 5-50P |
||
| 250V | 6 |
 6-15R |
 6-15P |
 6-20R |
 6-20P |
 6-30R |
 6-30P |
 6-50R |
 6-50P |
||
| 277V AC | 7 |
 7-15R |
 7-15P |
 7-20R |
 7-20P |
 7-30R |
 7-30P |
 7-50R |
 7-50P |
||
| 347V AC | 24 |
 24-15R |
 24-15P |
 24-20R |
 24-20P |
 24-30R |
 24-30P |
 24-50R |
 24-50P |
||
| 480V AC | 8 | Reserved For Future Configurations | |||||||||
| 600V | 9 | Reserved For Future Configurations | |||||||||
| 3 Pole 3 Wire | |||||||||||
| 125/250V | 10 |
 10-20R |
 10-20P |
 10-30R |
 10-30P |
 10-50R |
 10-50P |
||||
| 3Ø 250V | 11 |
 11-15R |
 11-15P |
 11-20R |
 11-20P |
 11-30R |
 11-30P |
 11-50R |
 11-50P |
||
| 3Ø 480V | 12 | Reserved For Future Configurations | |||||||||
| 3Ø 600V | 13 | Reserved For Future Configurations | |||||||||
| 3 pole 4 Wire Grounding | |||||||||||
| 125/250V | 14 |
 14-15R |
 14-15P |
 14-20R |
 14-20P |
 14-30R |
 14-30P |
 14-50R |
 14-50P |
 14-60R |
 14-60P |
| 3Ø 250V | 15 |
 15-15R |
 15-15P |
 15-20R |
 15-20P |
 15-30R |
 15-30P |
 15-50R |
 15-50P |
 15-60R |
 15-60P |
| 3Ø 480V | 16 | Reserved For Future Configurations | |||||||||
| 3Ø 600V | 17 | Reserved For Future Configurations | |||||||||
| 4 Pole 4 Wire | |||||||||||
|
3ØY 120/208V |
18 |
 18-15R |
 18-15P |
 18-20R |
 18-20P |
 18-30R |
 18-30P |
 18-50R |
 18-50P |
 18-60R |
 18-60P |
|
3ØY 277/480V |
19 | Reserved For Future Configurations | |||||||||
|
3ØY 347/600V |
20 | Reserved For Future Configurations | |||||||||
| 4 Pole 5 Wire Grounding | |||||||||||
|
3ØY 120/208V |
21 | Reserved For Future Configurations | |||||||||
|
3ØY 277/480V |
22 | Reserved For Future Configurations | |||||||||
|
3ØY 347/600V |
23 | Reserved For Future Configurations | |||||||||