| NEMA CONFIGURATIONS FOR STRAIGHT BLADE PLUGS AND RECEPTACLES | ||||||||||||
| DESCRIPTION | NEMA NUMBER |
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 | 1-20P | 1-30P | ||||||
| 250V | 2 | 2-15P | 2-20R | 2-20P | 2-30R | 2-30P | ||||||
| 2-POLE 3-WIRE GROUNDING |
125V | 5 | 5-15R | 5-15P | 5-20R | 5-20P | 5-30R | 5-30P | 5-50R | 5-50P | ||
| 125V | 5ALT | 5ALT-20R | ||||||||||
| 250V | 6 | 6-15R | 6-15P | 6-20R | 6-20P | 6-30R | 6-30P | 6-50R | 6-50P | |||
| 250V | 6ALT | 6ALT-20R | ||||||||||
| 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 | |||
| 3-POLE 3-WIRE |
125/250V | 10 | 10-20R | 10-20P | 10-30R | 10-30P | 10-50R | 10-50P | ||||
| 3Φ 250V | 11 | 11-15R | 11-15P | 11-20R | 11-20P | 11-30R | 11-30P | 11-50R | 11-50P | |||
| 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 |
| 3Φ 250V | 15 | 15-15R | 15-15P | 15-20R | 15-20P | 15-30R | 15-30P | 15-50R | 15-50P | 15-60R | 15-60P | |
| 4-POLE 4-WIRE |
3Φ Y 120/250V | 18 | 18-15R | 18-15P | 18-20R | 18-20P | 18-30R | 18-30P | 18-50R | 18-50P | 18-60R | 18-60P |
| TRAVEL TRAILER |
120V | TT | TT-30R | TT-30P | ||||||||