NEMA 6-50 Connectors | McMaster-Carr

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6-50

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10 Products

About NEMA Straight-Blade Plugs, Connectors, and Receptacles

About NEMA Plugs, Sockets, and Receptacles

About Industry Designation for Cable Insulation

About Extension Cords

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.

Three-Blade Plugs

NEMA 6-50 Male

Grounded
NEMA Style	Voltage	Current	OD	Wire Connection Type	For Cable OD	Color		Each
6-50	250V AC	50A	3.1"	Screw Terminals	0.43"-1.31"	Gray	0000000	000000

Three-Blade 90° Elbow Plugs

NEMA 6-50 Male

Grounded
NEMA Style	Voltage	Current	OD	Wire Connection Type	For Cable OD	Features	Color		Each
6-50	250V AC	50A	3.1"	Screw Terminals	0.56"-1.31"	Rotating Face	Gray	0000000	000000

Three-Slot Sockets

NEMA 6-50 Female

Grounded
NEMA Style	Voltage	Current	OD	Wire Connection Type	For Cable OD	Color		Each
6-50	250V AC	50A	3.1"	Screw Terminals	0.43"-1.31"	Gray	0000000	000000

Three-Slot Single Female Receptacles

NEMA 6-50 Female

Grounded
NEMA Style	Voltage	Current	Face Dia.	Wire Connection Type	Receptacle Terminal Location	Mounting Location	Color		Each
6-50	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.

Three-Blade 90° Elbow Plugs

NEMA 6-50 Male

Grounded
NEMA Style	Voltage	Current	OD	Wire Connection Type	For Cable OD	Specifications Met	Color		Each
6-50	250V AC	50A	2.7"	Screw Terminals	0.63"-1.19"	UL Listed, CSA Certified, UL 498	Black	0000000	0000000

Three-Slot Single Female Receptacles

NEMA 6-50 Female

Grounded
NEMA Style	Voltage	Current	Face Dia.	Wire Connection Type	Receptacle Terminal Location	Mounting Location	Environmental Rating	Specifications Met	Color		Each
6-50	250V AC	50A	2.1"	Screw Terminals	Back	Outlet Box	IP20	UL Listed, CSA Certified, UL 94 V-0	Black	0000000	000000

Extension Cord Adapters

90° Plug × 90° Socket with Handle

Plug × 90° Socket with Handle

NEMA 14-50 Plug

NEMA 6-50 Socket

NEMA L14-30 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.

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

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

STW and SJTW adapters have a 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 14-50 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	000000
NEMA L14-30 Plug × 90° Elbow NEMA 6-50 Socket
1 1/2 ft.	10	30	125V AC/250V AC	Without Power-Indicating Light	Handle	0.69"	PVC Plastic	STW	Yellow	0000000	00000

Extension Cords for Welding

NEMA 6-50 Plug

NEMA 6-50 Socket

Run power to welders in machine shops, garages, and other areas where these cords will be exposed to harsh conditions. These cords have either EPDM or PVC insulation that protects the cord's wires from weld slag and being dragged, kicked, and stepped on. Their insulation also won't crack or become brittle when exposed to oil, water, and weather. They also stay flexible across a wide range of temperatures. A power-indicating light on the socket illuminates when the cord has power.

NEMA 6-50 cords can be used with higher voltage equipment than NEMA 5-15 cords. Use them with portable MIG welders rated up to 400 amps as well as TIG welders, stick welders, and plasma cutters rated up to 250V AC. They have a light that illuminates when they’re grounded safely. A handle makes them easy to plug in and unplug.

				Cord
Wire Gauge	Current, A	Voltage	Power-Indicating Light	OD	Insulation Material	Industry Designation	Specifications Met	Features	Color		Each
NEMA 6-50 Plug × NEMA 6-50 Socket
25 ft.
8	50	250V AC	With Power-Indicating Light	0.85"	PVC Plastic	STW	ETL Listed, C-ETL Listed	Ground-Indicating Light, Handle	Black	0000000	0000000
50 ft.
8	50	250V AC	With Power-Indicating Light	0.85"	PVC Plastic	STW	ETL Listed, C-ETL Listed	Ground-Indicating Light, Handle	Black	0000000	000000