NEMA Locking 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	Custom	L1-15	L1-15	L1-15	L1-15	L1-15	Custom
NEMA L2-20	250V AC	20 amps	2 Wires	2 Poles	NEMA	Custom	L2-20	L2-20	L2-20	L2-20	L2-20	Custom
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	See Below
NEMA L5-60	125V AC	60 amps	3 Wires	2 Poles	See Below
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	See Below
NEMA L6-60	250V AC	60 amps	3 Wires	2 Poles	See Below
NEMA L7-15	277V AC	15 amps	3 Wires	2 Poles	NEMA	Custom	L7-15	L7-15	L7-15	L7-15	L7-15	Custom
NEMA L7-20	277V AC	20 amps	3 Wires	2 Poles	NEMA	Custom	L7-20	L7-20	L7-20	L7-20	L7-20	Custom
NEMA L7-30	277V AC	30 amps	3 Wires	2 Poles	NEMA	Custom	L7-30	L7-30	L7-30	L7-30	L7-30	Custom
NEMA L7-50	277V AC	50 amps	3 Wires	2 Poles	NEMA	-	-	-	-	-	-	-
NEMA L7-60	277V AC	60 amps	3 Wires	2 Poles	NEMA	-	-	-	-	-	-	-
NEMA L24-20	347V AC	20 amps	3 Wires	2 Poles	NEMA	Custom	L24-20	L24-20	L24-20	L24-20	L24-20	Custom
NEMA L8-20	480V AC	20 amps	3 Wires	2 Poles	NEMA	Custom	L8-20	L8-20	L8-20	L8-20	L8-20	Custom
NEMA L8-30	480V AC	30 amps	3 Wires	2 Poles	NEMA	Custom	L8-30	L8-30	L8-30	L8-30	L8-30	Custom
NEMA L8-50	480V AC	50 amps	3 Wires	2 Poles	See Below
NEMA L8-60	480V AC	60 amps	3 Wires	2 Poles	See Below
NEMA L9-20	600V AC	20 Amps	3 Wires	2 Poles	NEMA	Custom	L9-20	L9-20	L9-20	L9-20	L9-20	Custom
NEMA L9-30	600V AC	30 Amps	3 Wires	2 Poles	NEMA	Custom	L9-30	L9-30	L9-30	L9-30	L9-30	Custom
NEMA L9-50	600V AC	50 amps	3 Wires	2 Poles	See Below
NEMA L9-60	600V AC	60 amps	3 Wires	2 Poles	-	-	-	-	-	-	-	-
NEMA L10-20	125/250V AC	20 amps	3 Wires	3 Poles	NEMA	Custom	L10-20	L10-20	L10-20	L10-20	L10-20	Custom
NEMA L10-30	125/250V AC	30 amps	3 Wires	3 Poles	Non-NEMA	Custom	HBL3331C	HBL3334C	HBL3333C	HBL3335C	HBL3330	Custom
NEMA L11-15	3Ø 250V AC	15 amps	3 Wires	3 Poles	-	-	-	-	-	-	-	-
NEMA L11-20	3Ø 250V AC	20 amps	3 Wires	3 Poles	-	-	-	-	-	-	-	-
NEMA L11-30	3Ø 250V AC	30 amps	3 Wires	3 Poles	-	-	-	-	-	-	-	-
NEMA L12-20	3Ø 480V AC	20 amps	3 Wires	3 Poles	-	-	-	-	-	-	-	-
NEMA L12-30	3Ø 480V AC	30 amps	3 Wires	3 Poles	-	-	-	-	-	-	-	-
NEMA L13-30	3Ø 600V AC	30 amps	3 Wires	3 Poles	-	-	-	-	-	-	-	-
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	See Below
NEMA L14-60	125/250V AC	60 amps	4 Wires	3 Poles	See Below
NEMA L15-20	3Ø 250V AC	20 amps	4 Wires	3 Poles	NEMA	Custom	L15-20	L15-20	L15-20	L15-20	L15-20	Custom
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	Custom
NEMA L15-50	3Ø 250V AC	50 amps	4 Wires	3 Poles	See Below
NEMA L15-60	3Ø 250V AC	60 amps	4 Wires	3 Poles	See Below
NEMA L16-20	3Ø 480V AC	20 amps	4 Wires	3 Poles	NEMA	Custom	L16-20	L16-20	L16-20	L16-20	L16-20	Custom
NEMA L16-30	3Ø 480V AC	30 amps	4 Wires	3 Poles	NEMA	Custom	L16-30	L16-30	L16-30	L16-30	L16-30	Custom
NEMA L16-50	3Ø 480V AC	50 amps	4 Wires	3 Poles	See Below
NEMA L16-60	3Ø 480V AC	60 amps	4 Wires	3 Poles	See Below
NEMA L17-30	3Ø 600V AC	30 amps	4 Wires	3 Poles	NEMA	Custom	L17-30	L17-30	L17-30	L17-30	L17-30	Custom
NEMA L17-50	3Ø 600V AC	50 amps	4 Wires	3 Poles	See Below
NEMA L17-60	3Ø 600V AC	60 amps	4 Wires	3 Poles	See Below
NEMA L18-20	3ØY 120/208V AC	20 amps	4 Wires	4 Poles	NEMA	Custom	L18-20	L18-20	L18-20	L18-20	L18-20	Custom
NEMA L18-30	3ØY 120/208V AC	30 amps	4 Wires	4 Poles	NEMA	Custom	L18-30	L18-30	L18-30	L18-30	L18-30	Custom
NEMA L19-20	3ØY 277/480V AC	20 amps	4 Wires	4 Poles	NEMA	Custom	L19-20	L19-20	L19-20	L19-20	L19-20	Custom
NEMA L19-30	3ØY 277/480V AC	30 amps	4 Wires	4 Poles	NEMA	Custom	L19-30	L19-30	L19-30	L19-30	L19-30	Custom
NEMA L20-20	3ØY 347/600V AC	20 amps	4 Wires	4 Poles	NEMA	Custom	L20-20	L20-20	L20-20	L20-20	L20-20	Custom
NEMA L20-30	3ØY 347/600V AC	30 amps	4 Wires	4 Poles	NEMA	Custom	L20-30	L20-30	L20-30	L20-30	L20-30	Custom
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	-	-	-	-	-	-	-	-
NEMA L21-60	3ØY 120/208V AC	60 amps	5 Wires	4 Poles	See Below
NEMA L22-20	3ØY 277/480V AC	20 amps	5 Wires	4 Poles	NEMA	Custom	L22-20	L22-20	L22-20	L22-20	L22-20	Custom
NEMA L22-30	3ØY 277/480V AC	30 amps	5 Wires	4 Poles	NEMA	Custom	L22-30	L22-30	L22-30	L22-30	L22-30	Custom
NEMA L22-50	3ØY 277/480V AC	50 amps	5 Wires	4 Poles	-	-	-	-	-	-	-	-
NEMA L22-60	3ØY 277/480V AC	60 amps	5 Wires	4 Poles	See Below
NEMA L23-20	3ØY 347/600V AC	20 amps	5 Wires	4 Poles	NEMA	Custom	L23-20	L23-20	L23-20	L23-20	L23-20	Custom
NEMA L23-30	3ØY 347/600V AC	30 amps	5 Wires	4 Poles	NEMA	Custom	L23-30	L23-30	L23-30	L23-30	L23-30	Custom
NEMA L23-50	3ØY 347/600V AC	50 amps	5 Wires	4 Poles	-	-	-	-	-	-	-	-
NEMA L23-60	3ØY 347/600V AC	60 amps	5 Wires	4 Poles	See Below

These configurations are not commonly available. The listed components are often used for the same applications.

NEMA Twist Lock Blades
Rating						IP20 Suitability
Configuration Male/Female	Voltage	Amperage	Wires	Poles	Standard	Cord	Plug	Inlet	Connector	Outlet	Receptacle	Adapter
NEMA L5-50	125V AC	50 amps	3 Wires	2 Poles	California	CS 50a	CS6361C	CS6377	CS6360C	-	CS6370	Custom
NEMA L5-60	125V AC	60 amps	3 Wires	2 Poles	IEC60309	Pin & Sleeve	360P4W	360B4W	360C4W	-	360R4W	Custom
NEMA L6-50	250V AC	50 amps	3 Wires	2 Poles	California	CS 50a	CS8265C	CS8275	CS8264C	-	CS8269	Custom
NEMA L6-60	250V AC	60 amps	3 Wires	2 Poles	IEC60309	Pin & Sleeve	360P6W	360B6W	360C6W	-	360R6W	Custom
NEMA L8-50	480V AC	50 amps	3 Wires	2 Poles	California	CS 50a	CS8465C	CS8475	CS8464C	-	CS8469	Custom
NEMA L8-60	480V AC	60 amps	3 Wires	2 Poles	IEC60309	Pin & Sleeve	360P7W	360B7W	360C7W	-	360R7W	Custom
NEMA L9-50	600V AC	50 amps	3 Wires	2 Poles	Non-NEMA	Custom	HBL3763C	HBL3777	HBL3762C	-	HBL3771	Custom
NEMA L10-30	125/250V AC	30 amps	3 Wires	3 Poles	Non-NEMA	Custom	HBL3331C	HBL3334C	HBL3333C	HBL3335C	HBL3330	Custom
NEMA L14-50	125/250V AC	50 amps	4 Wires	3 Poles	California	CS 50a	CS6365C	CS6375	CS6364C	-	CS6369	Custom
NEMA L14-60	125/250V AC	60 amps	4 Wires	3 Poles	IEC60309	Pin & Sleeve	460P12W	460B12W	460C12W	-	460R12W	Custom
NEMA L15-50	3Ø 250V AC	50 amps	4 Wires	3 Poles	California	CS 50a	CS8365C	CS8375	CS8364C	-	CS8369	Custom
NEMA L15-60	3Ø 250V AC	60 amps	4 Wires	3 Poles	IEC60309	Pin & Sleeve	460P9W	460B9W	460C9W	-	460R9W	Custom
NEMA L16-50	3Ø 480V AC	50 amps	4 Wires	3 Poles	California	CS 50a	CS8165C	CS8175	CS8164C	-	CS8169	Custom
NEMA L16-60	3Ø 480V AC	60 amps	4 Wires	3 Poles	IEC60309	Pin & Sleeve	460P7W	460B7W	460C7W	-	460R7W	Custom
NEMA L17-50	3Ø 600V AC	50 amps	4 Wires	3 Poles	Non-NEMA	Custom	HBL3765C	HBL3768	HBL3764C	-	HBL3769	Custom
NEMA L17-60	3Ø 600V AC	60 amps	4 Wires	3 Poles	IEC60309	Pin & Sleeve	460P5W	460B5W	460C5W	-	460R5W	Custom
NEMA L21-60	3ØY 120/208V AC	60 amps	5 Wires	4 Poles	IEC60309	Pin & Sleeve	560P9W	560B9W	560C9W	-	560R9W	Custom
NEMA L22-60	3ØY 277/480V AC	60 amps	5 Wires	4 Poles	IEC60309	Pin & Sleeve	560P7W	560B7W	560C7W	-	560R7W	Custom
NEMA L23-60	3ØY 347/600V AC	60 amps	5 Wires	4 Poles	IEC60309	Pin & Sleeve	560P5W	560B5W	560C5W	-	560R5W	Custom