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NEMA Plug & Receptacle Configurations
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15 AMP |
2 pole 2 wire |
2 pole 3 wire grounding |
3 pole 3 wire |
3 pole 4 wire grounding |
4 wire |
| 125V |
250V |
125V |
250V |
277V |
125/250V |
250V |
125/250V |
250V |
120/
208V |
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Receptacle |
1-15R |
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5-15R |
6-15R |
7-15R |
|
11-15R |
14-15R |
15-15R |
18-15R |
| Plug |
1-15P |
2-15P |
5-15P |
6-15P |
7-15P |
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11-15P |
14-15P |
15-15P |
18-15P |
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20 AMP |
2 pole 2 wire |
2 pole 3 wire grounding |
3 pole 3 wire |
3 pole 4 wire grounding |
4 wire |
| 125V |
250V |
125V |
250V |
277V |
125/250V |
250V |
125/250V |
250V |
120/
208V |
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Receptacle |
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2-20R |
5-20R |
6-20R |
7-20R |
10-20R |
11-20R |
14-20R |
15-20R |
18-20R |
| Plug |
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2-20P |
5-20P |
6-20P |
7-20P |
10-20P |
11-20P |
14-20P |
15-20P |
18-20P |
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30 AMP |
2 pole 2 wire |
2 pole 3 wire grounding |
3 pole 3 wire |
3 pole 4 wire grounding |
4 wire |
| 125V |
250V |
125V |
250V |
277V |
125/250V |
250V |
125/250V |
250V |
120/
208V |
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Receptacle |
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2-30R |
5-30R |
6-30R |
7-30R |
10-30R |
11-30R |
14-30R |
15-30R |
18-30R |
| Plug |
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2-30P |
5-30P |
6-30P |
7-30P |
10-30P |
11-30P |
14-30P |
15-30P |
18-30P |
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50 AMP |
2 pole 3 wire grounding |
3 pole 3 wire |
3 pole 4 wire grounding |
4 wire |
| 125V |
250V |
277V |
125/250V |
250V |
125/250V |
250V |
120/
208V |
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Receptacle |
5-50R |
6-50R |
7-50R |
10-50R |
11-50R |
14-50R |
15-50R |
18-50R |
| Plug |
5-50P |
6-50P |
7-50P |
10-50P |
11-50P |
14-50P |
15-50P |
18-50P |
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