NEMA Plug &
Receptacle Configurations

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 30 250V 125/250V 30 250V 30 120/
208V
Receptacle
1-15R		  
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		  
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 30 250V 125/250V 30 250V 30 120/
208V
Receptacle  
2-20R
5-20R
6-20R
7-20R
10-20R
11-20R
14-20R
15-20R
18-20R
Plug  
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 30 250V 125/250V 30 250V 30 120/
208V
Receptacle  
2-30R
5-30R
6-30R
7-30R
10-30R
11-30R
14-30R
15-30R
18-30R
Plug  
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 30 250V 125/250V 30 250V 30 120/
208V
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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60AMP 3 pole 4 wire grounding 4 wire
125/250V 30 250V 30 120/
208V
Receptacle
14-60R
15-60R
18-60R
Plug
14-60P
15-60P
18-60P