50A Extension Cords | McMaster-Carr

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56 Products

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Abrasion-Resistant Extension Cords

Our most durable extension cords. Built to NEC Article 400 standards for extra-hard service, these cords resist wear that could expose conductors and compromise safety. Their thick jacket protects against scrapes from rough surfaces.

Power Indicator—A light indicates that power is flowing through the cord.

	Cable Designation	For Use Outdoors	Light Indicator Type	Certification		Each
NEMA 14-50 90° Elbow Plug × 90° Elbow Socket—125V AC/250V AC







	Black

	15	6	50	STW	Yes	Power	C-UL Listed, UL Listed	7522K151	0000000


	30	6	50	STW	Yes	Power	C-UL Listed, UL Listed	7522K152	000000
	50	6	50	STW	Yes	Power	C-UL Listed, UL Listed	7522K153	000000

Extension Cord Adapters


1 Outlet	2 Outlets

Bridge the gap between your outlet and your equipment when connections don't match.

Power Indicator—A light indicates that power is flowing through the cord.

	Cable Designation	For Use Outdoors	Light Indicator Type	Number of Outlets		Each
NEMA 14-50 Plug × NEMA 5-20 Socket—125V AC/250V AC







	Yellow

	3	10	50	STOW	Yes	Power	2	7197K83	000000


	NEMA 14-50 90° Elbow Plug × NEMA 6-50 90° Elbow Socket—125V AC/250V AC







					Yellow

					1 1/2	6	50	STW	Yes	—	1	5512N12	00000

Straight-Blade Connectors

Your go‑to connector for industrial workplaces, job sites, and maintenance shops.

Plugs

Industrial—Reliable performance and long life in manufacturing and processing environments.

Premium—Built to handle tough, repetitive applications, these connectors are more durable than industrial ones.

Housing Material	Certification	Color		Each







Industrial

6-50	250	50	Plastic	CSA Certified, UL Listed	Gray	7120K81	000000


10-50	125/250	50	Plastic	UL Listed	Yellow	7120K55	00000
14-50	125/250	50	Plastic	CSA Certified, UL Listed	Gray	7120K57	00000




		Premium

		10-50	125/250	50	Plastic	CSA Certified, UL Listed	Black	9096T18	000000


		14-50	125/250	50	Plastic	CSA Certified, UL Listed	Black	9096T17	000000
		15-50	250	50	Plastic	CSA Certified, UL Listed	Black	9096T89	000000

90° Elbow Plugs

Industrial—Reliable performance and long life in manufacturing and processing environments.

Premium—Built to handle tough, repetitive applications, these connectors are more durable than industrial ones.

Housing Material	Certification	Color		Each







Industrial

6-50	250	50	Plastic	CSA Certified, UL Listed	Gray	7120K82	0000000


10-50	125/250	50	Plastic	UL Listed	Black	7120K41	00000
14-50	125/250	50	Plastic	CSA Certified, UL Listed	Black	8035K57	00000




		Premium

		5-50	125	50	Plastic	CSA Certified, UL Listed	Black	9096T78	000000


		6-50	250	50	Plastic	CSA Certified, UL Listed	Black	9096T56	000000
		7-50	277	50	Plastic	CSA Certified, UL Listed	Black	9096T82	000000
		10-50	125/250	50	Plastic	CSA Certified, UL Listed	Black	9096T58	000000
		14-50	125/250	50	Plastic	CSA Certified, UL Listed	Black	9096T57	000000
		15-50	250	50	Plastic	CSA Certified, UL Listed	Black	9096T96	000000

Sockets

Industrial—Reliable performance and long life in manufacturing and processing environments.

Premium—Built to handle tough, repetitive applications, these connectors are more durable than industrial ones.

Housing Material	Certification	Color		Each







Industrial

6-50	250	50	Plastic	CSA Certified, UL Listed	Gray	7120K83	0000000


10-50	125/250	50	Plastic	CSA Certified, UL Listed	Black	7120K64	000000




		Premium

		10-50	125/250	50	Plastic	CSA Certified, UL Listed	Black	9096T28	000000

Outlet-Box-Mount Female Receptacles

Single

Industrial—Reliable performance and long life in manufacturing and processing environments.

Premium—Built to handle tough, repetitive applications, these connectors are more durable than industrial ones.

						Receptacles
	NEMA Type	Voltage, V AC	Current, amp	Housing Material	Certification	Color		Each
Single







				Industrial

				6-50	250	50	Plastic	C-UL Listed, CSA Certified, UL Listed	Black	7120K89	000000


				10-50	125/250	50	Plastic	UL Listed	Black	7120K7	0000
				14-50	125/250	50	Plastic	C-UL Listed, UL Listed	Black	7120K13	00000




						Premium

						5-50	125	50	Plastic	CSA Certified, UL Listed	Black	9096T77	00000


						6-50	250	50	Plastic	CSA Certified, UL Listed	Black	9096T46	00000
						7-50	277	50	Plastic	CSA Certified, UL Listed	Black	9096T83	00000
						10-50	125/250	50	Plastic	CSA Certified, UL Listed	Black	9096T48	00000
						14-50	125/250	50	Plastic	CSA Certified, UL Listed	Black	9096T47	000000
						15-50	250	50	Plastic	CSA Certified, UL Listed	Black	9096T88	000000

Power Cords

Your go-to for direct wiring applications. Install these power cords in everything from computers and lab equipment to power tools and appliances. Made to NEC Article 400 requirements, they reliably deliver power and withstand everyday wear and tear.

						Outer Jacket
	Lg., ft.	Voltage, V AC	Current, amp	AWG	Cable Designation	Material	Color	Certification		Each
90° Elbow NEMA 14-50 Plug × Wire Leads



		4	125/250	50	8, 6	STW	PVC	Black	UL Listed	70355K703	000000


		30	125/250	50	8, 6	STW	PVC	Black	UL Listed	70355K704	000000
		36	125/250	50	8, 6	STW	PVC	Black	UL Listed	70355K705	000000

Light Duty Power Cords

More flexible than standard power cords and easier to route to indoor equipment such as power tools and appliances. These cords are good for low-traffic areas where they’ll be tucked out of the way since they aren't as rugged as standard cords.

						Outer Jacket
	Lg., ft.	Voltage, V AC	Current, amp	AWG	Cable Designation	Material	Color	Certification		Each
90° Elbow NEMA 10-50 Plug × Ring Terminal



		4	125/250	50	8, 6	SRDT	PVC	Gray	UL Listed	70355K114	000000


		6	125/250	50	8, 6	SRDT	PVC	Gray	UL Listed	70355K37	00000


		90° Elbow NEMA 14-50 Plug × Spade Terminal



				4	125/250	50	8, 6	SRDT	PVC	Black	UL Listed	70355K706	00000


				6	125/250	50	8, 6	SRDT	PVC	Black	UL Listed	70355K94	00000

Turn-Lock Connectors

The curved blades lock into place with a quarter turn. These connectors won’t detach when bumped or pulled, so they’re often used in high-vibration applications, such as on assembly lines or with heavy machinery.

California Standard Plugs

All California Standard plugs have one slot to accept a grounding pin.

Industrial—Reliable performance and long life in manufacturing and processing environments.

Housing Material	Color	Certification		Each







Industrial

CS6361	125	50	Plastic	Black	CSA Certified, UL Listed	7175K11	0000000


CS6365	125/250	50	Plastic	Black	CSA Certified, UL Listed	7175K41	000000
CS8165	480	50	Plastic	Black	CSA Certified, UL Listed	7175K61	000000
CS8265	250	50	Plastic	Black	CSA Certified, UL Listed	7175K14	000000
CS8365	250	50	Plastic	Black	CSA Certified, UL Listed	7175K51	000000
CS8465	480	50	Plastic	Black	CSA Certified, UL Listed	7175K17	000000

California Standard Sockets

All California Standard sockets have one grounding pin.

Industrial—Reliable performance and long life in manufacturing and processing environments.

Housing Material	Color	Certification		Each







Industrial

CS6360	125	50	Plastic	Black	CSA Certified, UL Listed	7175K12	0000000


CS6364	125/250	50	Plastic	Black	CSA Certified, UL Listed	7175K42	000000
CS8164	480	50	Plastic	Black	CSA Certified, UL Listed	7175K62	000000
CS8264	250	50	Plastic	Black	CSA Certified, UL Listed	7175K15	000000
CS8364	250	50	Plastic	Black	CSA Certified, UL Listed	7175K52	000000
CS8464	480	50	Plastic	Black	CSA Certified, UL Listed	7175K18	000000

California Standard Outlet-Box-Mount Female Receptacles

Single

All California Standard receptacles have one grounding pin.

Industrial—Reliable performance and long life in manufacturing and processing environments.

	Housing Material	Color	Certification		Each
Single







	Industrial

	CS6369	125/250	50	Plastic	Black	CSA Certified, UL Listed	7175K43	0000000


	CS8169	480	50	Plastic	Black	CSA Certified, UL Listed	7175K63	000000
	CS8269	250	50	Plastic	Black	CSA Certified, UL Listed	7175K16	000000
	CS8369	250	50	Plastic	Black	CSA Certified, UL Listed	7175K53	000000
	CS8469	480	50	Plastic	Black	UL Listed	7175K19	000000