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NEMA Plug & Receptacle Configurations Reference Chart (Straight Blade)

Information courtesy Ericson Manufacturing Company

Plug:	Connector:	Receptacle:	Inlet:	Outlet:	Cord:

	15 Amp	20 Amp	30 Amp	50 Amp	60 Amp
2-Pole, 2-Wire
125 Volt	NEMA 1-15	NEMA 1-20	NEMA 1-30	Not Available	Not Available
	Plugs	Not Available	Not Available
	Connector
	Receptacle
	Inlet
	Outlet
	Cords (1-15P)
250 Volt	NEMA 2-15	NEMA 2-20	NEMA 2-30	Not Available	Not Available
	Not Available	Plug	Not Available
		Connector
		Receptacle
		Inlet
		Outlet
		Cords (2-20P)
277 Volt AC		Not Available		Not Available	Not Available
600 Volt		Not Available		Not Available	Not Available
Notes: (1) There is no NEMA 2-15R receptacle. A NEMA 2-15P plug mates with a NEMA 6-15R receptacle. (2) There is no NEMA 1-20R receptacle. A NEMA 1-20P plug mates with a NEMA 5-20R receptacle. (3) There is no NEMA 1-30R receptacle. A NEMA 1-30P plug mates with a NEMA 5-30R receptacle.

Plug:	Connector:	Receptacle:	Inlet:	Outlet:	Cord:

	15 Amp	20 Amp		30 Amp	50 Amp	60 Amp
2-Pole, 3-Wire Grounding
125 Volt	NEMA 5-15	NEMA 5-20 T-Slot (1)	NEMA 5-20	NEMA 5-30	NEMA 5-50	Not Available
	Plug	Plug		Plug	Plug
	Connector	Connector		Connector	Connector
	Receptacle	Receptacle		Receptacle	Receptacle
	Inlet	Inlet		Inlet	Inlet
	Outlet	Outlet		Outlet	Outlet
	Cords (5-15P)	Cords (5-20P)		Cords (5-30P)	Cords (5-50P)
250 Volt	NEMA 6-15	NEMA 6-20 T-Slot (2)	NEMA 6-20	NEMA 6-30	NEMA 6-50	Not Available
	Plug	Plug		Plug	Plug
	Connector	Connector		Connector	Connector
	Receptacle	Receptacle		Receptacle	Receptacle
	Inlet	Inlet		Inlet	Inlet
	Outlet	Outlet		Outlet	Outlet
	Cords (6-15P)	Cords (6-20P)		Cords (6-30P)	Cords (6-50P)
277 Volt AC	NEMA 7-15	NEMA 7-20		NEMA 7-30	NEMA 7-50	Not Available
	Plug	Not Available		Plug	Plug
	Connector			Connector	Connector
	Receptacle			Receptacle	Receptacle
	Inlet			Inlet	Inlet
	Outlet			Outlet	Outlet
	Cords (7-15P)			Cords (7-30P)	Cords (7-50P)
347 Volt AC	NEMA 24-15	NEMA 24-20		NEMA 24-30	NEMA 24-50	Not Available
347 Volt AC	Not Available	Not Available		Not Available	Not Available	Not Available
480 Volt AC						Not Available
600 Volt AC						Not Available
Notes: (1) A NEMA 5-20R T-Slot receptacle will accept NEMA 1-15P, NEMA 5-15P and NEMA 5-20P plugs. (2) A NEMA 6-20R T-Slot receptacle will accept NEMA 2-15P, NEMA 6-15P and NEMA 6-20P plugs.

Plug:	Connector:	Receptacle:	Inlet:	Outlet:	Cord:

	15 Amp	20 Amp	30 Amp	50 Amp	60 Amp
3-Pole, 3-Wire
125/250 Volt	Not Available	NEMA 10-20	NEMA 10-30	NEMA 10-50	Not Available
		Plug	Plug	Plug
		Connector	Connector	Connector
		Receptacle	Receptacle	Receptacle
		Inlet	Inlet	Inlet
		Outlet	Outlet	Outlet
		Cords (10-20P)	Cords (10-30P)	Cords (10-50P)
3Ø 250 Volt	NEMA 11-15	NEMA 11-20	NEMA 11-30	NEMA 11-50	Not Available
3Ø 250 Volt	Not Available	Not Available	Not Available	Not Available	Not Available
3Ø 480 Volt					Not Available
3Ø 600 Volt					Not Available

Plug:	Connector:	Receptacle:	Inlet:	Outlet:	Cord:

	15 Amp	20 Amp	30 Amp	50 Amp	60 Amp
3-Pole, 4-Wire Grounding
125/250 Volt	NEMA 14-15	NEMA 14-20	NEMA 14-30	NEMA 14-50	NEMA 14-60
	Not Available	Plug	Plug	Plug	Plug
		Connector	Connector	Connector	Connector
		Receptacle	Receptacle	Receptacle	Receptacle
		Inlet	Inlet	Inlet	Inlet
		Outlet	Outlet	Outlet	Outlet
		Cords (14-20P)	Cords (14-30P)	Cords (14-50P)	Cords (14-60P)
3Ø 250 Volt	NEMA 15-15	NEMA 15-20	NEMA 15-30	NEMA 15-50	NEMA 15-60
	Not Available	Plug	Plug	Plug	Plug
		Connector	Connector	Connector	Connector
		Receptacle	Receptacle	Receptacle	Receptacle
		Inlet	Inlet	Inlet	Inlet
		Outlet	Outlet	Outlet	Outlet
		Cords (15-20P)	Cords (15-30P)	Cords (15-50P)	Cords (15-60P)
3Ø 480 Volt		Not Available	Not Available	Not Available	Not Available
3Ø 600 Volt		Not Available	Not Available	Not Available	Not Available

Plug:	Connector:	Receptacle:	Inlet:	Outlet:	Cord:

	15 Amp	20 Amp	30 Amp	50 Amp	60 Amp
4-Pole, 4-Wire
3Ø Y 120/208 Volt	NEMA 18-15	NEMA 18-20	NEMA 18-30	NEMA 18-50	NEMA 18-60
	Not Available	Plug	Plug	Plug	Plug
		Connector	Connector	Connector	Connector
		Receptacle	Receptacle	Receptacle	Receptacle
		Inlet	Inlet	Inlet	Inlet
		Outlet	Outlet	Outlet	Outlet
		Cords (18-20P)	Cords (18-30P)	Cords (18-50P)	Cords (18-60P)
3Ø Y 277/480 Volt		Not Available	Not Available	Not Available	Not Available
3Ø Y 347/600 Volt		Not Available	Not Available	Not Available	Not Available