MIDGET LOCKING
| Description | NEMA # | 15 Amp | 30 Amp | 50 Amp |
|---|---|---|---|---|
| 125V, 2 POLE, 2 WIRE | ML1 | ML1-15 | NA | NA |
| 125V, 2 POLE, 3 WIRE Grounding | ML2 | ML2-15 | NA | NA |
| 125/250V, 3 POLE, 3 WIRE | ML3 | ML3-15 | NA | NA |
FSL Configurations
| Description | NEMA # | 15 Amp | 30 Amp | 50 Amp |
|---|---|---|---|---|
| 28V DC, | ||||
| 2 POLE, 3 WIRE Grounding | FSL1 | NA | FSL1-30 | NA |
| 120V, 400HZ, | ||||
| 2 POLE, 3 WIRE Grounding | FSL2 | NA | FSL2-30 | NA |
| 120V, 400 HZ, 3-PHASE | ||||
| 3 POLE, 4 WIRE Grounding | FSL3 | NA | FSL3-30 | NA |
| 120/208V, 3 Phase Y, 400 HZ | ||||
| 4 POLE, 5 WIRE Grounding | FSL4 | NA | FSL4-30 | NA |
Marine Ship-to-Shore
| Description | NEMA # | 15 Amp | 30 Amp | 50 Amp |
|---|---|---|---|---|
| 125V, 2 POLE, 3 WIRE Grounding | SS1 | NA | NA | SS1-50 |
| 125/250V, 3 POLE, 4 WIRE Grounding | SS2 | NA | NA | SS2-50 |
Travel Trailer
| Description | NEMA # | 15 Amp | 30 Amp | 50 Amp |
|---|---|---|---|---|
| 120V AC, 2 POLE, 3 WIRE Grounding | TT | NA | TT-30 | NA |
NEMA Configurations for Straight Blade Plugs and Receptacles
2-Pole 2-Wire
| Description | NEMA # | 15 Amp | 20 Amp | 30 Amp | 50 Amp | 60 Amp |
|---|---|---|---|---|---|---|
| 125V | 1 | 1-15 | 1-20 | 1-30 | NA | NA |
| 250V | 2 | 2-15 | 2-20 | 2-30 | NA | NA |
| 277V AC | 3 | NA | NA | NA | NA | NA |
| 600V | 4 | NA | NA | NA | NA | NA |
2-Pole 3-Wire Grounding
| Description | NEMA # | 15 Amp | 20 Amp | 30 Amp | 50 Amp | 60 Amp |
|---|---|---|---|---|---|---|
| 125 / 250V | 10 | NA | 10-20 | 10-30 | 10-50 | NA |
| 3 Phase 250V | 11 | 11-15 | 11-20 | 11-30 | 11-50 | NA |
| 3 Phase 480V | 12 | NA | NA | NA | NA | NA |
| 3 Phase 600V | 13 | NA | NA | NA | NA | NA |
3-Pole 4-Wire Grounding
| Description | NEMA # | 15 Amp | 20 Amp | 30 Amp | 50 Amp | 60 Amp |
|---|---|---|---|---|---|---|
| 125 / 250V | 14 | 14-15 | 14-20 | 14-30 | 14-50 | 14-60 |
| 3 Phase 250V | 15 | 15-15 | 15-20 | 15-30 | 15-50 | 15-60 |
| 3 Phase 480V | 16 | NA | NA | NA | NA | NA |
| 3 Phase 600V | 17 | NA | NA | NA | NA | NA |
4-Pole 4-Wire
| Description | NEMA # | 15 Amp | 20 Amp | 30 Amp | 50 Amp | 60 Amp |
|---|---|---|---|---|---|---|
| 3 Phase Y 120 / 208V | 18 | 18-15 | 18-20 | 18-30 | 18-50 | 18-60 |
| 3 Phase Y 277 / 480V | 19 | NA | NA | NA | NA | NA |
| 3 Phase Y 347 / 600V | 20 | NA | NA | NA | NA | NA |
4-Pole 5-Wire Grounding
| Description | NEMA # | 15 Amp | 20 Amp | 30 Amp | 50 Amp | 60 Amp |
|---|---|---|---|---|---|---|
| 3 Phase Y 120 / 208V | 21 | NA | NA | NA | NA | NA |
| 3 Phase Y 277 / 480V | 22 | NA | NA | NA | NA | NA |
| 3 Phase Y 347 / 600V | 23 | NA | NA | NA | NA | NA |
NEMA Configurations for Locking Plugs and Receptacles
2-Pole 2-Wire
| Description | NEMA # | 15 Amp | 20 Amp | 30 Amp | 50 Amp | 60 Amp |
|---|---|---|---|---|---|---|
| 125V | 1 | L1-15 | NA | NA | NA | NA |
| 250V | 2 | NA | L2-20 | NA | NA | NA |
| 277V AC | 3 | NA | NA | NA | NA | NA |
| 600V | 4 | NA | NA | NA | NA | NA |
2-Pole 3-Wire Grounding
| Description | NEMA # | 15 Amp | 20 Amp | 30 Amp | 50 Amp | 60 Amp |
|---|---|---|---|---|---|---|
| 125V | 5 | L5-15 | L5-20 | L5-30 | L5-50 | L5-60 |
| 250V | 6 | L6-15 | L6-20 | L6-30 | L6-50 | L6-60 |
| 277V AC | 7 | L7-15 | L7-20 | L7-30 | L7-50 | L7-60 |
| 347V AC | 24 | NA | L24-20 | NA | NA | NA |
| 480V AC | 8 | NA | L8-20 | L8-30 | L8-50 | L8-60 |
| 600V AC | 9 | NA | L9-20 | L9-30 | L9-50 | L9-60 |
3-Pole 3-Wire
| Description | NEMA # | 15 Amp | 20 Amp | 30 Amp | 50 Amp | 60 Amp |
|---|---|---|---|---|---|---|
| 125 / 250V | 10 | NA | L10-20 | L10-30 | NA | NA |
| 3 Phase 250V | 11 | L11-15 | L11-20 | L11-30 | NA | NA |
| 3 Phase 480V | 12 | NA | L12-20 | L12-30 | NA | NA |
| 3 Phase 600V | 13 | NA | NA | L13-30 | NA | NA |
3-Pole 4-Wire Grounding
| Description | NEMA # | 15 Amp | 20 Amp | 30 Amp | 50 Amp | 60 Amp |
|---|---|---|---|---|---|---|
| 125 / 250V | 14 | NA | L14-20 | L14-30 | L14-50 | L14-60 |
| 3 Phase 250V | 15 | NA | L15-20 | L15-30 | L15-50 | L15-60 |
| 3 Phase 480V | 16 | NA | L16-20 | L16-30 | L16-50 | L16-60 |
| 3 Phase 600V | 17 | NA | NA | L17-30 | L17-50 | L17-60 |
4-Pole 4-Wire
| Description | NEMA # | 15 Amp | 20 Amp | 30 Amp | 50 Amp | 60 Amp |
|---|---|---|---|---|---|---|
| 3 Phase Y 120 / 208V | 18 | NA | L18-20 | L18-30 | NA | NA |
| 3 Phase Y 277 / 480V | 19 | NA | L19-20 | L19-30 | NA | NA |
| 3 Phase Y 347 / 600V | 20 | NA | L20-20 | L20-30 | NA | NA |
4-Pole 5-Wire Grounding
| Description | NEMA # | 15 Amp | 20 Amp | 30 Amp | 50 Amp | 60 Amp |
|---|---|---|---|---|---|---|
| 3 Phase Y 120 / 208V | 21 | NA | L21-20 | L21-30 | L21-50 | L21-60 |
| 3 Phase Y 277 / 480V | 22 | NA | L22-20 | L22-30 | L22-50 | L22-60 |
| 3 Phase Y 347 / 600V | 23 | NA | L23-20 | L23-30 | L23-50 | L23-60 |
NEMA Configurations for 20A/30A 3, 4 and 5 Wire Locking Plugs and Receptacles
2-Pole 3-Wire Grounding
| Description | NEMA # | 20 Amp | 30 Amp |
|---|---|---|---|
| 125V | 5 | L5-20 | L5-30 |
| 250V | 6 | L6-20 | L6-30 |
| 277V AC | 7 | L7-20 | L7-30 |
| 347V AC | 24 | L24-20 | NA |
| 480V AC | 8 | L8-20 | L8-30 |
| 600V AC | 9 | L9-20 | L9-30 |
3-Pole 3-Wire
| Description | NEMA # | 20 Amp | 30 Amp |
|---|---|---|---|
| 125 / 250V | 10 | L10-20 | L10-30 |
| 3 Phase 250V | 11 | L11-20 | L11-30 |
| 3 Phase 480V | 12 | L12-20 | L12-30 |
| 3 Phase 600V | 13 | NA | L13-30 |
4-Pole 4-Wire
| Description | NEMA # | 20 Amp | 30 Amp |
|---|---|---|---|
| 3 Phase Y 120 / 208V | 18 | L18-20 | L18-30 |
| 3 Phase Y 277 / 480V | 19 | L19-20 | L19-30 |
| 3 Phase Y 347 / 600V | 20 | L20-20 | L20-30 |
4-Pole 5-Wire Grounding
| Description | NEMA # | 20 Amp | 30 Amp |
|---|---|---|---|
| 3 Phase Y 120 / 208V | 21 | L21-20 | L21-30 |
| 3 Phase Y 277 / 480V | 22 | L22-20 | L22-30 |
| 3 Phase Y 347 / 600V |