NEMA Configurations

NEMA Configurations for Specific Purpose Plugs and Receptacles include the following. When specifying plugs and receptacles, add the suffix “P” for Plugs and “R” for Receptacles.

NEMA Configurations for Straight Blade Plugs and Receptacles

NEMA Configurations for Locking Plugs and Receptacles

NEMA Configurations for  20A/30A 3, 4 & 5 Wire Locking Plugs and Receptacles

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
NOTE: Blank Spaces Reserved for Future Configurations. Source~ NEMA WD6-1997

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
NOTE: Blank Spaces Reserved for Future Configurations. Source~ NEMA WD6-1997

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
NOTE: Blank Spaces Reserved for Future Configurations. Source~ NEMA WD6-1997

Travel Trailer
Description NEMA # 15 Amp 30 Amp 50 Amp
120V AC, 2 POLE, 3 WIRE Grounding TT NA TT-30 NA
NOTE: Blank Spaces Reserved for Future Configurations. Source~ NEMA WD6-1997

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
NOTE: Blank Spaces Reserved for Future Configurations. Source~ NEMA WD6-1997

2-Pole 3-Wire Grounding
Description NEMA # 15 Amp 20 Amp 30 Amp 50 Amp 60 Amp
125V 5 5-15 5-20 5-30 5-50 NA
125V 5ALT NA 5ALT-20 NA NA NA
250V 6 6-15 6-20 6-30 6-50 NA
250V 6ALT NA 6ALT-20 NA NA NA
277V AC 7 7-15 7-20 7-30 7-50 NA
347V AC 24 24-15 24-20 24-30 24-50 NA
480V AC 8 NA NA NA NA NA
600V AC 9 NA NA NA NA NA
NOTE: Blank Spaces Reserved for Future Configurations. Source~ NEMA WD6-1997

3-Pole 3-Wire
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
NOTE: Blank Spaces Reserved for Future Configurations. Source~ NEMA WD6-1997

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
NOTE: Blank Spaces Reserved for Future Configurations. Source~ NEMA WD6-1997

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
NOTE: Blank Spaces Reserved for Future Configurations. Source~ NEMA WD6-1997

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
NOTE: Blank Spaces Reserved for Future Configurations. Source~ NEMA WD6-1997

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
NOTE: Blank Spaces Reserved for Future Configurations. Source~ NEMA WD6-1997

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
NOTE: Blank Spaces Reserved for Future Configurations. Source~ NEMA WD6-1997

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
NOTE: Blank Spaces Reserved for Future Configurations. Source~ NEMA WD6-1997

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
NOTE: Blank Spaces Reserved for Future Configurations. Source~ NEMA WD6-1997

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
NOTE: Blank Spaces Reserved for Future Configurations. Source~ NEMA WD6-1997

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
NOTE: Blank Spaces Reserved for Future Configurations. Source~ NEMA WD6-1997

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
NOTE: Blank Spaces Reserved for Future Configurations. Source~ NEMA WD6-1997

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
NOTE: Blank Spaces Reserved for Future Configurations. Source~ NEMA WD6-1997

3-Pole 4-Wire Grounding
Description NEMA # 20 Amp 30 Amp
125 / 250V 14 L14-20 L14-30
3 Phase 250V 15 L15-20 L15-30
3 Phase 480V 16 L16-20 L16-30
3 Phase 600V 17 NA L17-30
NOTE: Blank Spaces Reserved for Future Configurations. Source~ NEMA WD6-1997

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
NOTE: Blank Spaces Reserved for Future Configurations. Source~ NEMA WD6-1997

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