NEMA 14-50 Connectors | McMaster-Carr

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19 Products

About NEMA Plugs, Sockets, and Receptacles

About Industry Designation for Cable Insulation

About Extension Cords

About NEMA Straight-Blade Plugs, Connectors, and Receptacles

Straight-Blade Plugs, Sockets, and Receptacles

90° elbow plugs with a rotating face can be plugged in at any angle.

Receptacles for outlet boxes fit standard wall plates (not included).

Note: The current rating of your plug should not exceed that of your socket or receptacle.

For technical drawings and 3-D models, click on a part number.

Four-Blade Plugs

NEMA 14-50 Male

Grounded
NEMA Style	Voltage	Current	OD	Wire Connection Type	For Cable OD	Color		Each
14-50	125V AC/250V AC	50A	3.1"	Screw Terminals	0.43"-1.31"	Gray	0000000	000000

Four-Blade 90° Elbow Plugs

NEMA 14-50 Male

Grounded
NEMA Style	Voltage	Current	OD	Wire Connection Type	For Cable OD	Features	Color		Each
14-50	125V AC/250V AC	50A	3.3"	Screw Terminals	0.63"-1.38"	Rotating Face	Black	0000000	000000

Four-Slot Single Female Receptacles

NEMA 14-50 Female

Grounded
NEMA Style	Voltage	Current	Face Dia.	Wire Connection Type	Receptacle Terminal Location	Mounting Location	Color		Each
14-50	125V AC/250V AC	50A	2.1"	Screw Terminals	Back	Outlet Box	Black	0000000	000000

Premium Straight-Blade Plugs, Sockets, and Receptacles

Built to handle tough, repetitive-use applications, these are more durable than standard straight-blade connectors.

Receptacles for outlet boxes fit standard wall plates (not included).

Note: The current rating of your plug should not exceed that of your socket or receptacle.

For technical drawings and 3-D models, click on a part number.

Four-Blade Plugs

NEMA 14-50 Male

Grounded
NEMA Style	Voltage	Current	OD	Wire Connection Type	For Cable OD	Environmental Rating	Specifications Met	Color		Each
14-50	125V AC/250V AC	50A	2.9"	Screw Terminals	0.63"-1.31"	IP20	UL Listed, CSA Certified, UL 94 HB	Black	0000000	0000000

Four-Blade 90° Elbow Plugs

NEMA 14-50 Male

Grounded
NEMA Style	Voltage	Current	OD	Wire Connection Type	For Cable OD	Specifications Met	Color		Each
14-50	125V AC/250V AC	50A	3.4"	Screw Terminals	0.63"-1.31"	UL Listed, CSA Certified, UL 498	Black	0000000	0000000

Four-Slot Single Female Receptacles

NEMA 14-50 Female

Grounded
NEMA Style	Voltage	Current	Face Dia.	Wire Connection Type	Receptacle Terminal Location	Mounting Location	Environmental Rating	Specifications Met	Color		Each
14-50	125V AC/250V AC	50A	2.4"	Screw Terminals	Back	Outlet Box	IP20	UL Listed, CSA Certified, UL 94 V-0	Black	0000000	0000000

Power Cords

90° Elbow Plug × Wire Leads

90° Elbow Plug × Spade Terminals

NEMA 14-50 Plug

Connect equipment and devices to a power supply.

Cords with a NEMA 14-30 or 14-50 plug are often used to power electric vehicles. They have a high current rating.

Cords with a 90° elbow plug fit flush against a wall outlet, so they fit behind machinery or in areas where space is tight.

The insulation on STW and SJTW cords resists water. SRDT cords are for use with high-current equipment, such as ranges and dryers.

				Cord
Wire Gauge	Current, A	Voltage	Lg., ft.	OD	Insulation Material	Industry Designation	Temp. Range, °F	Specifications Met	Color		Each
90° Elbow NEMA 14-50 Plug × Wire Leads
8, 6	50	125V AC/250V AC	4	1.08"	PVC Plastic	STW	0° to 140°	UL Listed	Black	000000000	000000
8, 6	50	125V AC/250V AC	30	1.08"	PVC Plastic	STW	0° to 140°	UL Listed	Black	000000000	000000
8, 6	50	125V AC/250V AC	36	1.08"	PVC Plastic	STW	0° to 140°	UL Listed	Black	000000000	000000
90° Elbow NEMA 14-50 Plug × Spade Terminals
8, 6	50	125V AC/250V AC	4	0.8"	PVC Plastic	SRDT	0° to 140°	UL Listed	Black	000000000	00000
8, 6	50	125V AC/250V AC	6	0.8"	PVC Plastic	SRDT	0° to 140°	UL Listed	Black	00000000	00000

Extension Cord Adapters

90° Plug × 90° Socket with Handle

Plug × Socket × Socket

NEMA 5-20 Socket

NEMA 14-30 Plug

NEMA 14-50 Socket

NEMA 14-50 Plug

NEMA 5-15 Socket

NEMA 6-50 Socket

NEMA TT-30 Socket

NEMA TT-30 Plug

Change the connection style between an outlet and your equipment.

NEMA 14-30 and NEMA 14-50 adapters are commonly used to charge electric vehicles. NEMA TT-30 adapters are often used to power RVs.

Adapters with a 90° elbow plug sit flush against wall outlets to fit in tight spaces.

Adapters with a power-indicating light have a light on the socket that illuminates when the adapter has power.

Adapters with a handle make it easy to pull plugs out of sockets.

STW and SJTW adapters have a water-resistant outer insulation. STOW and SJTOW adapters have an oil- and water-resistant outer insulation.

For technical drawings and 3-D models, click on a part number.

						Cord
Lg.	Wire Gauge	Current, A	Voltage	Power-Indicating Light	Features	OD	Insulation Material	Industry Designation	Color		Each
90° Elbow NEMA 14-30 Plug × 90° Elbow NEMA 14-50 Socket (with Handle)
1 1/2 ft.	10	30	125V AC/250V AC	Without Power-Indicating Light	Handle	0.72"	PVC Plastic	STW	Yellow	0000000	000000
NEMA 14-50 Plug × NEMA 5-15/NEMA 5-20 Socket
3 ft.	10	50	125V AC/250V AC	With Power-Indicating Light	__	0.67"	PVC Plastic	STOW	Yellow	0000000	00000
90° Elbow NEMA 14-50 Plug × 90° Elbow NEMA 6-50 Socket (with Handle)
1 1/2 ft.	6	50	125V AC/250V AC	Without Power-Indicating Light	Handle	0.85"	PVC Plastic	STW	Yellow	0000000	00000
90° Elbow NEMA 14-50 Plug × 90° Elbow NEMA TT-30 Socket (with Handle)
1 ft.	10	30	125V AC	With Power-Indicating Light	Handle	0.58"	PVC Plastic	SJTW	Orange	0000000	00000
90° Elbow NEMA TT-30 Plug × 90° Elbow NEMA 14-50 Socket (with Handle)
1 ft.	10	30	125V AC	With Power-Indicating Light	Handle	0.58"	PVC Plastic	SJTW	Orange	0000000	00000

Abrasion-Resistant Extension Cords

90° Elbow Plug with Handle × Socket

NEMA 14-50 Plug

NEMA 14-50 Socket

Thick insulation protects the internal wires of these cords, so they can be used in high-traffic areas and over rough surfaces. The industry designation is STW, so the insulation resists water.

Cords with a NEMA 14-50 plug and socket have a high current rating and are often used to power electric vehicles. The light on their socket illuminates when the cord has power. Their plug and socket have handles, making them easy to grip when plugging or unplugging them.

Cords with a 90° elbow plug fit flush against a wall outlet, so they fit behind machinery or in areas where space is tight.

For technical drawings and 3-D models, click on a part number.

					Cord
Wire Ga.	Current, A	Voltage	Power-Indicating Light	Features	OD	Insulation Material	Industry Designation	Specifications Met	Color		Each
90° Elbow NEMA 14-50 Plug × NEMA 14-50 Socket
15 ft.
8, 6	50	125V AC/250V AC	With Power-Indicating Light	Handle	1.08"	PVC Plastic	STW	UL Listed, C-UL Listed	Black	00000000	0000000
30 ft.
8, 6	50	125V AC/250V AC	With Power-Indicating Light	Handle	1.08"	PVC Plastic	STW	UL Listed, C-UL Listed	Black	00000000	000000
50 ft.
8, 6	50	125V AC/250V AC	With Power-Indicating Light	Handle	1.08"	PVC Plastic	STW	UL Listed, C-UL Listed	Black	00000000	000000