NEMA Configurations for Straight Blade Plugs and Receptacles
| Description |
NEMA # |
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 |
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| 250V |
2 |
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| 277V AC |
3 |
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| 600V |
4 |
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| 2-pole 3-wire grounding |
125V |
5 |
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| 125V |
5alt |
 |
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| 250V |
6 |
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| 250V |
6alt |
 |
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| 277V AC |
7 |
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| 347V AC |
24 |
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| 480V AC |
8 |
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| 600V AC |
9 |
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| 3-pole 3-wire |
125 / 250V |
10 |
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| 3 Ø 250V |
11 |
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| 3 Ø 480V |
12 |
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| 3 Ø 600V |
13 |
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| 3-pole 4-wire grounding |
125 / 250V |
14 |
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| 3 Ø 250V |
15 |
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| 3 Ø 480V |
16 |
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| 3 Ø 600V |
17 |
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| 4-pole 4-wire |
3 Ø Y 120 / 208V |
18 |
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| 3 Ø Y 277 / 480V |
19 |
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| 3 Ø Y 347 / 600V |
20 |
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| 4-pole 4-wire grounding |
3 Ø Y 120 / 208V |
21 |
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| 3 Ø Y 277 / 480V |
22 |
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| 3 Ø Y 347 / 600V |
23 |
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| Description |
NEMA # |
Receptacle |
Plug |
Receptacle |
Plug |
Receptacle |
Plug |
Receptacle |
Plug |
Receptacle |
Plug |
| 15 Ampere |
20 Ampere |
30 Ampere |
50 Ampere |
60 Ampere |
NEMA Configuration for Locking Plugs and Receptacles
| Description |
NEMA # |
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 |
L1 |
 |
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| 250V |
L2 |
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| 277V AC |
L3 |
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| 600V |
L4 |
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| 2-pole 3-wire grounded |
125V |
L5 |
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| 250V |
L6 |
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| 277V AC |
L7 |
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| 347V AC |
L24 |
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| 480V AC |
L8 |
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| 600V AC |
L9 |
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| 3-pole 3-wire |
125 / 250V |
L10 |
 |
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| 3 Ø 250V |
L11 |
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| 3 Ø 480V |
L12 |
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| 3 Ø 600V |
L13 |
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| 3-pole 4-wrie grounding |
125 / 250V |
L14 |
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| 3 Ø 250V |
L15 |
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| 3 Ø 480V |
L16 |
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| 3 Ø 600V |
L17 |
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| 4-pole 4-wire |
3 Ø Y 120 / 208V |
L18 |
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| 3 Ø Y 277 / 480V |
L19 |
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| 3 Ø Y 347 / 600V |
L20 |
 |
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| 4-pole 4-wire grounding |
3 Ø Y 120 / 208V |
L21 |
 |
 |
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 |
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| 3 Ø Y 277 / 480V |
L22 |
 |
 |
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 |
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| 3 Ø Y 347 / 600V |
L23 |
 |
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| Description |
NEMA # |
Receptacle |
Plug |
Receptacle |
Plug |
Receptacle |
Plug |
Receptacle |
Plug |
Receptacle |
Plug |
| 15 Ampere |
20 Ampere |
30 Ampere |
50 Ampere |
60 Ampere |
NEMA Configurations for Specific Purpose Plugs and Receptacles
| Description |
NEMA # |
15 Ampere |
20 Ampere |
30 Ampere |
50 Ampere |
60 Ampere |
| Receptacle |
Plug |
Receptacle |
Plug |
Receptacle |
Plug |
Receptacle |
Plug |
Receptacle |
Plug |
| Midget Locking |
125V, 2 Pole, 2 Wire |
ML1 |
 |
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| 125V, 2 Pole, 3 Wire grounding |
ML2 |
 |
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| 125 / 250V, 3 Pole, 3 Wire |
ML3 |
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| FSL Configuration |
28V DC, 2 Pole, 3 Wire Grounding |
FSL1 |
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| 120V, 400HZ, 2 Pole, 3 Wire Grounding |
FSL2 |
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| 120V, 400HZ, 3-Phase, 3 Pole, 4 Wire Grounding |
FSL3 |
|
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| 120 / 208V, 3 Ø Y, 4 Pole, 5 Wire Grounding |
FSL4 |
|
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 |
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| Marine Ship-To-Shore |
125V, 2 Pole, 3 Wire Grounding |
SS1 |
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| 125 / 250V, 2 Pole, 4 Wire Grounding |
SS2 |
|
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| Travel Trailer |
120V AC, 2 Pole, 3 Wire Grounding |
TT |
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 |
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| Description |
NEMA # |
Receptacle |
Plug |
Receptacle |
Plug |
Receptacle |
Plug |
Receptacle |
Plug |
Receptacle |
Plug |
| 15 Ampere |
20 Ampere |
30 Ampere |
50 Ampere |
60 Ampere |
|
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