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Home > Reference Materials > NEMA Twist Lock Reference Chart

NEMA Twist Lock Blades | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|

Rating | IP20 Suitability | |||||||||||

Configuration Male/Female |
Voltage | Amperage | Wires | Poles | Standard | Cord |
Plug |
Inlet |
Connector |
Outlet |
Receptacle |
Adapter |

NEMA L1-15 |
125V AC | 15 amps | 2 Wires | 2 Poles | NEMA | CustomCords |
L1-15 |
L1-15 |
L1-15 |
L1-15 |
L1-15 |
CustomAdapters |

NEMA L2-20 |
250V AC | 20 amps | 2 Wires | 2 Poles | NEMA | CustomCords |
L2-20 |
L2-20 |
L2-20 |
L2-20 |
L2-20 |
CustomAdapters |

NEMA L5-15 |
125V AC | 15 amps | 3 Wires | 2 Poles | NEMA | L5-15 |
L5-15 |
L5-15 |
L5-15 |
L5-15 |
L5-15 |
L5-15 |

NEMA L5-20 |
125V AC | 20 amps | 3 Wires | 2 Poles | NEMA | L5-20 |
L5-20 |
L5-20 |
L5-20 |
L5-20 |
L5-20 |
L5-20 |

NEMA L5-30 |
125V AC | 30 amps | 3 Wires | 2 Poles | NEMA | L5-30 |
L5-30 |
L5-30 |
L5-30 |
L5-30 |
L5-30 |
L5-30 |

NEMA L5-50 |
125V AC | 50 amps | 3 Wires | 2 Poles | California | CS 50aCords |
CS6361C |
CS6377 |
CS6360C |
N/A | CS6370 |
CustomAdapters |

NEMA L5-60 |
125V AC | 60 amps | 3 Wires | 2 Poles | IEC60309 | Pin &Sleeve |
360P4W |
360B4W |
360C4W |
N/A | 360R4W |
CustomAdapters |

Configuration Male/Female |
Voltage | Amperage | Wires | Poles | Standard | Cord | Plug | Inlet | Connector | Outlet | Receptacle | Adapter |

NEMA L6-15 |
250V AC | 15 amps | 3 Wires | 2 Poles | NEMA | L6-15 |
L6-15 |
L6-15 |
L6-15 |
L6-15 |
L6-15 |
L6-15 |

NEMA L6-20 |
250V AC | 20 amps | 3 Wires | 2 Poles | NEMA | L6-20 |
L6-20 |
L6-20 |
L6-20 |
L6-20 |
L6-20 |
L6-20 |

NEMA L6-30 |
250V AC | 30 amps | 3 Wires | 2 Poles | NEMA | L6-30 |
L6-30 |
L6-30 |
L6-30 |
L6-30 |
L6-30 |
L6-30 |

NEMA L6-50 |
250V AC | 50 amps | 3 Wires | 2 Poles | California | CS 50aCords |
CS8265C |
CS8275 |
CS8264C |
N/A | CS8269 |
CustomAdapters |

NEMA L6-60 |
250V AC | 60 amps | 3 Wires | 2 Poles | IEC60309 | Pin &Sleeve |
360P6W |
360B6W |
360C6W |
N/A | 360R6W |
CustomAdapters |

NEMA L7-15 |
277V AC |
15 amps | 3 Wires | 2 Poles | NEMA | CustomCords |
L7-15 |
L7-15 |
L7-15 |
L7-15 |
L7-15 |
CustomAdapters |

NEMA L7-20 |
277V AC |
20 amps | 3 Wires | 2 Poles | NEMA | CustomCords |
L7-20 |
L7-20 |
L7-20 |
L7-20 |
L7-20 |
CustomAdapters |

NEMA L7-30 |
277V AC |
30 amps | 3 Wires | 2 Poles | NEMA | CustomCords |
L7-30 |
L7-30 |
L7-30 |
L7-30 |
L7-30 |
CustomAdapters |

NEMA L7-50 |
277V AC |
50 amps | 3 Wires | 2 Poles | NEMA | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

NEMA L7-60 |
277V AC |
60 amps | 3 Wires | 2 Poles | NEMA | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

Configuration Male/Female |
Voltage | Amperage | Wires | Poles | Standard | Cord | Plug | Inlet | Connector | Outlet | Receptacle | Adapter |

NEMA L24-20 |
347V AC | 20 amps | 3 Wires | 2 Poles | NEMA | CustomCords |
L24-20 |
L24-20 |
L24-20 |
L24-20 |
L24-20 |
CustomAdapters |

NEMA L8-20 |
480V AC | 20 amps | 3 Wires | 2 Poles | NEMA | CustomCords |
L8-20 |
L8-20 |
L8-20 |
L8-20 |
L8-20 |
CustomAdapters |

NEMA L8-30 |
480V AC | 30 amps | 3 Wires | 2 Poles | NEMA | CustomCords |
L8-30 |
L8-30 |
L8-30 |
L8-30 |
L8-30 |
CustomAdapters |

NEMA L8-50 |
480V AC | 50 amps | 3 Wires | 2 Poles | California | CS 50aCords |
CS8465C |
CS8475 |
CS8464C |
N/A | CS8469 |
CustomAdapters |

NEMA L8-60 |
480V AC | 60 amps | 3 Wires | 2 Poles | IEC60309 | Pin &Sleeve |
360P7W |
360B7W |
360C7W |
N/A | 360R7W |
CustomAdapters |

NEMA L9-20 |
600V AC | 20 Amps | 3 Wires | 2 Poles | NEMA | CustomCords |
L9-20 |
L9-20 |
L9-20 |
L9-20 |
L9-20 |
CustomAdapters |

NEMA L9-30 |
600V AC | 30 Amps | 3 Wires | 2 Poles | NEMA | CustomCords |
L9-30 |
L9-30 |
L9-30 |
L9-30 |
L9-30 |
CustomAdapters |

NEMA L9-50 |
600V AC | 50 amps | 3 Wires | 2 Poles | Non-NEMA | CustomCords |
HBL3763C |
HBL3777 |
HBL3762C |
N/A | HBL3771 |
CustomAdapters |

NEMA L9-60 |
600V AC | 60 amps | 3 Wires | 2 Poles | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

Configuration Male/Female |
Voltage | Amperage | Wires | Poles | Standard | Cord | Plug | Inlet | Connector | Outlet | Receptacle | Adapter |

NEMA L10-20 |
125/250V AC |
20 amps | 3 Wires | 3 Poles | Non-NEMA | CustomCords |
HBL9965C |
HBL3325C |
HBL7314C |
HBL3326C |
HBL7310B |
CustomAdapters |

NEMA L10-30 |
125/250V AC |
30 amps | 3 Wires | 3 Poles | Non-NEMA | CustomCords |
HBL3331C |
HBL3334C |
HBL3333C |
HBL3335C |
HBL3330 |
CustomAdapters |

NEMA L11-15 |
3Ø 250V AC | 15 amps | 3 Wires | 3 Poles | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

NEMA L11-20 |
3Ø 250V AC | 20 amps | 3 Wires | 3 Poles | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

NEMA L11-30 |
3Ø 250V AC | 30 amps | 3 Wires | 3 Poles | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

NEMA L12-20 |
3Ø 480V AC | 20 amps | 3 Wires | 3 Poles | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

NEMA L12-30 |
3Ø 480V AC | 30 amps | 3 Wires | 3 Poles | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

NEMA L13-30 |
3Ø 600V AC | 30 amps | 3 Wires | 3 Poles | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

Configuration Male/Female |
Voltage | Amperage | Wires | Poles | Standard | Cord | Plug | Inlet | Connector | Outlet | Receptacle | Adapter |

NEMA L14-20 |
125/250V AC |
20 amps | 4 Wires | 3 Poles | NEMA | L14-20 |
L14-20 |
L14-20 |
L14-20 |
L14-20 |
L14-20 |
L14-20 |

NEMA L14-30 |
125/250V AC |
30 amps | 4 Wires | 3 Poles | NEMA | L14-30 |
L14-30 |
L14-30 |
L14-30 |
L14-30 |
L14-30 |
L14-30 |

NEMA L14-50 |
125/250V AC |
50 amps | 4 Wires | 3 Poles | California | CS 50aCords |
CS6365C |
CS6375 |
CS6364C |
N/A | CS6369 |
CustomAdapters |

NEMA L14-60 |
125/250V AC |
60 amps | 4 Wires | 3 Poles | IEC60309 | Pin &Sleeve |
460P12W |
460B12W |
460C12W |
N/A | 460R12W |
CustomAdapters |

NEMA L15-20 |
3Ø 250V AC | 20 amps | 4 Wires | 3 Poles | NEMA | CustomCords |
L15-20 |
L15-20 |
L15-20 |
L15-20 |
L15-20 |
CustomAdapters |

NEMA L15-30 |
3Ø 250V AC | 30 amps | 4 Wires | 3 Poles | NEMA | L15-30 |
L15-30 |
L15-30 |
L15-30 |
L15-30 |
L15-30 |
CustomAdapters |

NEMA L15-50 |
3Ø 250V AC | 50 amps | 4 Wires | 3 Poles | California | CS 50aCords |
CS8365C |
CS8375 |
CS8364C |
N/A | CS8369 |
CustomAdapters |

NEMA L15-60 |
3Ø 250V AC | 60 amps | 4 Wires | 3 Poles | IEC60309 | Pin &Sleeve |
460P9W |
460B9W |
460C9W |
N/A | 460R9W |
CustomAdapters |

Configuration Male/Female |
Voltage | Amperage | Wires | Poles | Standard | Cord | Plug | Inlet | Connector | Outlet | Receptacle | Adapter |

NEMA L16-20 |
3Ø 480V AC | 20 amps | 4 Wires | 3 Poles | NEMA | CustomCords |
L16-20 |
L16-20 |
L16-20 |
L16-20 |
L16-20 |
CustomAdapters |

NEMA L16-30 |
3Ø 480V AC | 30 amps | 4 Wires | 3 Poles | NEMA | CustomCords |
L16-30 |
L16-30 |
L16-30 |
L16-30 |
L16-30 |
CustomAdapters |

NEMA L16-50 |
3Ø 480V AC | 50 amps | 4 Wires | 3 Poles | California | CS 50aCords |
CS8165C |
CS8175 |
CS8164C |
N/A | CS8169 |
CustomAdapters |

NEMA L16-60 |
3Ø 480V AC | 60 amps | 4 Wires | 3 Poles | IEC60309 | Pin &Sleeve |
460P7W |
460B7W |
460C7W |
N/A | 460R7W |
CustomAdapters |

NEMA L17-30 |
3Ø 600V AC | 30 amps | 4 Wires | 3 Poles | NEMA | CustomCords |
L17-30 |
L17-30 |
L17-30 |
L17-30 |
L17-30 |
CustomAdapters |

NEMA L17-50 |
3Ø 600V AC | 50 amps | 4 Wires | 3 Poles | Non-NEMA | CustomCords |
HBL3765C |
HBL3768 |
HBL3764C |
N/A | HBL3769 |
CustomAdapters |

NEMA L17-60 |
3Ø 600V AC | 60 amps | 4 Wires | 3 Poles | IEC60309 | Pin &Sleeve |
460P5W |
460B5W |
460C5W |
N/A | 460R5W |
CustomAdapters |

Configuration Male/Female |
Voltage | Amperage | Wires | Poles | Standard | Cord | Plug | Inlet | Connector | Outlet | Receptacle | Adapter |

NEMA L18-20 |
3ØY 120/208V AC |
20 amps | 4 Wires | 4 Poles | NEMA | CustomCords |
L18-20 |
L18-20 |
L18-20 |
L18-20 |
L18-20 |
CustomAdapters |

NEMA L18-30 |
3ØY 120/208V AC |
30 amps | 4 Wires | 4 Poles | NEMA | CustomCords |
L18-30 |
L18-30 |
L18-30 |
L18-30 |
L18-30 |
CustomAdapters |

NEMA L19-20 |
3ØY 277/480V AC |
20 amps | 4 Wires | 4 Poles | NEMA | CustomCords |
L19-20 |
L19-20 |
L19-20 |
L19-20 |
L19-20 |
CustomAdapters |

NEMA L19-30 |
3ØY 277/480V AC |
30 amps | 4 Wires | 4 Poles | NEMA | CustomCords |
L19-30 |
L19-30 |
L19-30 |
L19-30 |
L19-30 |
CustomAdapters |

NEMA L20-20 |
3ØY 347/600V AC |
20 amps | 4 Wires | 4 Poles | NEMA | CustomCords |
L20-20 |
L20-20 |
L20-20 |
L20-20 |
L20-20 |
CustomAdapters |

NEMA L20-30 |
3ØY 347/600V AC |
30 amps | 4 Wires | 4 Poles | NEMA | CustomCords |
L20-30 |
L20-30 |
L20-30 |
L20-30 |
L20-30 |
CustomAdapters |

Configuration Male/Female |
Voltage | Amperage | Wires | Poles | Standard | Cord | Plug | Inlet | Connector | Outlet | Receptacle | Adapter |

NEMA L21-20 |
3ØY 120/208V AC |
20 amps | 5 Wires | 4 Poles | NEMA | L21-20 |
L21-20 |
L21-20 |
L21-20 |
L21-20 |
L21-20 |
L21-20 |

NEMA L21-30 |
3ØY 120/208V AC |
30 amps | 5 Wires | 4 Poles | NEMA | L21-30 |
L21-30 |
L21-30 |
L21-30 |
L21-30 |
L21-30 |
L21-30 |

NEMA L21-50 |
3ØY 120/208V AC |
50 amps | 5 Wires | 4 Poles | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

NEMA L21-60 |
3ØY 120/208V AC |
60 amps | 5 Wires | 4 Poles | IEC60309 | Pin &Sleeve |
560P9W |
560B9W |
560C9W |
N/A | 560R9W |
CustomAdapters |

NEMA L22-20 |
3ØY 277/480V AC |
20 amps | 5 Wires | 4 Poles | NEMA | L22-20 |
L22-20 |
L22-20 |
L22-20 |
L22-20 |
L22-20 |
CustomAdapters |

NEMA L22-30 |
3ØY 277/480V AC |
30 amps | 5 Wires | 4 Poles | NEMA | L22-30 |
L22-30 |
L22-30 |
L22-30 |
L22-30 |
L22-30 |
CustomAdapters |

NEMA L22-50 |
3ØY 277/480V AC |
50 amps | 5 Wires | 4 Poles | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

NEMA L22-60 |
3ØY 277/480V AC |
60 amps | 5 Wires | 4 Poles | IEC60309 | Pin &Sleeve |
560P7W |
560B7W |
560C7W |
N/A | 560R7W |
CustomAdapters |

Configuration Male/Female |
Voltage | Amperage | Wires | Poles | Standard | Cord | Plug | Inlet | Connector | Outlet | Receptacle | Adapter |

NEMA L23-20 |
3ØY 347/600V AC |
20 amps | 5 Wires | 4 Poles | NEMA | L23-20 |
L23-20 |
L23-20 |
L23-20 |
L23-20 |
L23-20 |
CustomAdapters |

NEMA L23-30 |
3ØY 347/600V AC |
30 amps | 5 Wires | 4 Poles | NEMA | L23-30 |
L23-30 |
L23-30 |
L23-30 |
L23-30 |
L23-30 |
CustomAdapters |

NEMA L23-50 |
3ØY 347/600V AC |
50 amps | 5 Wires | 4 Poles | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

NEMA L23-60 |
3ØY 347/600V AC |
60 amps | 5 Wires | 4 Poles | IEC60309 | Pin &Sleeve |
560P5W |
560B5W |
560C5W |
N/A | 560R5W |
CustomAdapters |

National Electrical Manufacturers Association (NEMA) as approved by American National Standards Institute (ANSI) published ANSI/NEMA WD 6 to specify Wiring Device dimensional specifications. The male and female cord ends identified in this document are categorized as Non-Locking Type and Locking Type.

The Locking Type which have curved blades that are oriented in a circular manner are commonly referred to as Twist-Lock which is a term first patented by Harvey Hubbell in 1929. We have provided the full list of NEMA configurations that have been specified. This does NOT mean the units are commercially available as many have never been put into production by the various electrical wiring device manufacturers. You will note in the cross reference that N/A (not available) appears several times to largely reflect the absence of a commercially produced NEMA product.

The various wiring device manufacturers have turned to alternate standards and products for locking devices rated 50 Amp and 60 Amp. We have listed IEC60309, California CS 50A, and Non-NEMA alternatives based upon comparable voltage, amperage, and phases. Form factor and pin array has not been considered for purposes of the alternative product listed.

National Electric Code (NEC) may also influence the options in which a wiring device is offered.