MC Wire | McMaster-Carr

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42 Products

About Wire and Cable

Compare wire vs. cable and choose the right option based on gauge, number of conductors, insulation, and current rating.

Armored Building Cable

Also known as metal clad (MC) cable, this cable has metal armor that acts as conduit to protect the building wires. It's often used along the exterior of walls to carry power to outlet boxes. It has a ground wire that is not counted in the number of wires.

Hazardous location environmental ratings indicate whether manufacturers have included safety features in products to facilitate their safe use in a hazardous environment. Before selecting a product for a hazardous location, ensure it is rated for your environment.

MC, THHN Solid Wire

Cable with THHN wire stands up to condensation and moisture in basements and other damp environments.

							Inner Insulation
	AWG	No. of Wires	Cable AWG	Current @ Temp.	OD	Outer Jacket Material	Material	Color	Temp. Range, ° F	Features	Hazardous Location Rating	Specs. Met	Flammability Rating		10 ft. Long	25 ft. Long	50 ft. Long	100 ft. Long	250 ft. Long
600V AC



		14	2	14/2	15 amp @ 86° F	0.44"	Aluminum	PVC	Black, Green, White	15 to 190	Insulated Ground Wire	NEC Class I Division 2 Groups A, B, C, D NEC Class II Division 2 Groups F, G NEC Class III Divisions 1, 2	UL 1569	UL 2556 VW-1	6730T21	000000	000000	000000	0000000	0000000


		14	3	14/3	15 amp @ 86° F	0.46"	Aluminum	PVC	Black, Green, Red, White	15 to 190	Insulated Ground Wire	NEC Class I Division 2 Groups A, B, C, D NEC Class II Division 2 Groups F, G NEC Class III Divisions 1, 2	UL 1569	UL 2556 VW-1	6730T22	00000	00000	000000	000000	000000
		14	4	14/4	15 amp @ 86° F	0.49"	Aluminum	PVC	Black, Blue, Green, Red, White	15 to 190	Insulated Ground Wire	NEC Class I Division 2 Groups A, B, C, D NEC Class II Division 2 Groups F, G NEC Class III Divisions 1, 2	UL 1569	UL 2556 VW-1	6730T23	00000	00000	000000	—	000000
		12	2	12/2	20 amp @ 86° F	0.48"	Aluminum	PVC	Black, Green, White	15 to 190	Insulated Ground Wire	NEC Class I Division 2 Groups A, B, C, D NEC Class II Division 2 Groups F, G NEC Class III Divisions 1, 2	UL 1569	UL 2556 VW-1	6730T24	00000	00000	00000	000000	000000
		12	3	12/3	20 amp @ 86° F	0.51"	Aluminum	PVC	Black, Green, Red, White	15 to 190	Insulated Ground Wire	NEC Class I Division 2 Groups A, B, C, D NEC Class II Division 2 Groups F, G NEC Class III Divisions 1, 2	UL 1569	UL 2556 VW-1	6730T25	00000	00000	000000	000000	000000
		12	4	12/4	20 amp @ 86° F	0.54"	Aluminum	PVC	Black, Blue, Green, Red, White	15 to 190	Insulated Ground Wire	NEC Class I Division 2 Groups A, B, C, D NEC Class II Division 2 Groups F, G NEC Class III Divisions 1, 2	UL 1569	UL 2556 VW-1	6730T26	00000	000000	000000	000000	000000
		10	2	10/2	30 amp @ 86° F	0.54"	Aluminum	PVC	Black, Green, White	15 to 190	Insulated Ground Wire	NEC Class I Division 2 Groups A, B, C, D NEC Class II Division 2 Groups F, G NEC Class III Divisions 1, 2	UL 1569	UL 2556 VW-1	6730T27	00000	00000	000000	000000	000000
		10	3	10/3	30 amp @ 86° F	0.58"	Aluminum	PVC	Black, Green, Red, White	15 to 190	Insulated Ground Wire	NEC Class I Division 2 Groups A, B, C, D NEC Class II Division 2 Groups F, G NEC Class III Divisions 1, 2	UL 1569	UL 2556 VW-1	6730T28	00000	000000	000000	000000	000000
		10	4	10/4	30 amp @ 86° F	0.62"	Aluminum	PVC	Black, Blue, Green, Red, White	15 to 190	Insulated Ground Wire	NEC Class I Division 2 Groups A, B, C, D NEC Class II Division 2 Groups F, G NEC Class III Divisions 1, 2	UL 1569	UL 2556 VW-1	6730T29	00000	000000	000000	000000	00000000

MC, XHHW-2 Stranded Wire

Cable with XHHW-2 wire has a PVC outer jacket over the aluminum armor. You can use it in wet environments where liquid might drip and splash on it. It can also be used for direct burial without a conduit.

							Inner Insulation
	AWG	No. of Wires	Cable AWG	Current @ Temp.	OD	Outer Jacket Material	Material	Color	Temp. Range, ° F	Features	Hazardous Location Rating	Specs. Met		10 ft. Long	25 ft. Long	50 ft. Long	100 ft. Long	250 ft. Long
600V AC/600V DC



		14	3	14/3	15 amp @ 86° F	0.64"	Aluminum, PVC	Cross-Linked Polyethylene	Black	-40 to 190	Uninsulated Ground Wire	NEC Class I Division 2 Groups A, B, C, D NEC Class II Division 2 Groups F, G NEC Class III Division 2	UL 1569	6730T31	000000	000000	0000000	0000000	0000000


		12	3	12/3	20 amp @ 86° F	0.65"	Aluminum, PVC	Cross-Linked Polyethylene	Black	-40 to 190	Uninsulated Ground Wire	NEC Class I Division 2 Groups A, B, C, D NEC Class II Division 2 Groups F, G NEC Class III Division 2	UL 1569	6730T32	00000	00000	000000	—	000000
		12	4	12/4	20 amp @ 86° F	0.68"	Aluminum, PVC	Cross-Linked Polyethylene	Black	-40 to 190	Uninsulated Ground Wire	NEC Class I Division 2 Groups A, B, C, D NEC Class II Division 2 Groups F, G NEC Class III Division 2	UL 1569	6730T33	00000	00000	000000	000000	000000
		10	3	10/3	30 amp @ 86° F	0.7"	Aluminum, PVC	Cross-Linked Polyethylene	Black	-40 to 190	Uninsulated Ground Wire	NEC Class I Division 2 Groups A, B, C, D NEC Class II Division 2 Groups F, G NEC Class III Division 2	UL 1569	6730T34	00000	000000	000000	000000	000000
		10	4	10/4	30 amp @ 86° F	0.74"	Aluminum, PVC	Cross-Linked Polyethylene	Black	-40 to 190	Uninsulated Ground Wire	NEC Class I Division 2 Groups A, B, C, D NEC Class II Division 2 Groups F, G NEC Class III Division 2	UL 1569	6730T35	00000	000000	000000	000000	000000

Flexible Metal (FMC) Conduit and Fittings

Make tight bends and protect wiring from being crushed. This corrugated conduit snakes around corners where rigid metal conduit won’t fit. For use indoors, it’s ideal for short connections or runs through walls in spaces that require both flexibility and durability.

Straight Electrical Box Connectors


Screw-Clamp × Threaded	Screw-Clamp × Snap-In	Push-In × Snap-In

Attach conduit to a knockout in an electrical box.

Zinc Alloy—A good option for light duty applications that don't require high strength. These fittings resist occasional exposure to moisture.

	Conduit Connection		Knockout Connection
	Conduit Trade Size	Gender	Pipe Size	Thread Type	Knockout Trade Size	Gender	Includes	Specs. Met		Each
Screw-Clamp Conduit Connection × Threaded Knockout Connection







				Zinc Alloy

				3/8	Female	1/2	NPSM	—	Male	Locknut	CSA Certified, UL Listed	7267K26	00000


				3/8	Female	1/2	NPSM	—	Male	Locknut, Two Screws	CSA Certified, UL Listed	8180K21	0000


				Screw-Clamp Conduit Connection × Snap-In Knockout Connection







								Zinc Alloy

								3/8	Female	—	—	1/2	Male	—	CSA Certified, UL Listed	8180K31	0000


								1/2	Female	—	—	1/2	Male	—	CSA Certified, UL Listed	8180K32	0000
								3/4	Female	—	—	3/4	Male	—	CSA Certified, UL Listed	8180K33	0000


								Push-In Conduit Connection × Snap-In Knockout Connection







												Zinc Alloy

												3/8	Female	—	—	1/2	Male	—	CSA Certified, UL Listed	7969K21	0000

90° Elbow Electrical Box Connectors

Screw-Clamp ×

Threaded

Change the direction of your run to connect to a knockout in an electrical box.

Zinc Alloy—A good option for light duty applications that don't require high strength. These fittings resist occasional exposure to moisture.

	Conduit Connection		Knockout Connection
	Conduit Trade Size	Gender	Pipe Size	Thread Type	Gender	Includes	Specs. Met		Each
Screw-Clamp Conduit Connection × Threaded Knockout Connection







				Zinc Alloy

				3/8	Female	1/2	NPSM	Male	Locknut	CSA Certified, UL Listed	7267K33	00000


				1/2	Female	1/2	NPSM	Male	Locknut	CSA Certified, UL Listed	7267K34	0000
				3/4	Female	3/4	NPSM	Male	Locknut	CSA Certified, UL Listed	7267K35	0000
				1	Female	1	NPSM	Male	Locknut	CSA Certified, UL Listed	7267K36	00000
				1 1/4	Female	1 1/4	NPSM	Male	Locknut	CSA Certified, UL Listed	7267K37	00000

Wye Electrical Box Connectors


Screw-Clamp × Threaded	Screw-Clamp × Snap-In	Push-In × Snap-In

Join two pieces of conduit to one knockout.

Zinc Alloy—A good option for light duty applications that don't require high strength. These fittings resist occasional exposure to moisture.

	Conduit Connection		Knockout Connection
	Conduit Trade Size	Gender	Pipe Size	Thread Type	Knockout Trade Size	Gender	Includes	Specs. Met		Each
Screw-Clamp Conduit Connection × Threaded Knockout Connection







				Zinc Alloy

				3/8	Female	1/2	NPSM	—	Male	Locknut	CSA Certified, UL Listed	8180K22	00000


				Screw-Clamp Conduit Connection × Snap-In Knockout Connection







								Zinc Alloy

								3/8	Female	—	—	1/2	Male	—	CSA Certified, UL Listed	8180K34	0000


								Push-In Conduit Connection × Snap-In Knockout Connection







												Zinc Alloy

												3/8	Female	—	—	1/2	Male	—	CSA Certified, UL Listed	7969K31	0000

Conduit Grommets

Push-In

Connection

Protect wire from sharp edges as you pull it through by adding these grommets to the ends of conduit.

	Pkg. Qty.		Pkg.
Push-In Conduit Connection







	Plastic

	5/16	Female	Red	100	8216K41	000000


	3/8	Female	Red	100	8216K42	00000
	7/16	Female	Red	50	8216K43	00000
	1/2	Female	Red	50	8216K44	00000
	3/4	Female	Red	50	8216K45	00000
	1	Female	Red	1	8216K511	0000
	1 1/4	Female	Red	10	8216K512	00000
	1 1/2	Female	Red	10	8216K513	00000
	2	Female	Red	1	8216K514	0000

Armored Cable and Flexible Metal Conduit Strippers

Strip armored cable, such as BX and MC cable, in addition to flexible metal conduit. Turn the crank to make a slit in the cable or conduit, then twist to remove the outer layer without damaging the wires inside or having to debur the ends. Strippers can cut at the end or middle of cable or conduit.

Wire and Cable Strippers

	Strippers												Replacement Blades
	For Armored Cabled		For Wire Ga.					For Conduit
	Ga.	Type	Solid	Stranded	For Wire Construction	Performance	For Wire/Cable Type	Trade Size	Type	Lg.		Each	Pkg. Qty.		Pkg.
Zinc Alloy



		4/2 to 2/4	BX, HCF, MC	4-2	4-2	Solid Stranded	Flexible	Power	1/2, 3/4, 1, 1 1/4, 1 1/2	FMC	8"	3760A101	0000000	2	3760A102	000000

Wire and Cable Strippers with Hand Clamp

Strippers with a hand clamp hold your cable in place.

	Strippers												Replacement Blades
	For Armored Cabled		For Wire Ga.					For Conduit
	Ga.	Type	Solid	Stranded	For Wire Construction	Performance	For Wire/Cable Type	Trade Size	Type	Lg.		Each	Pkg. Qty.		Pkg.
Zinc Alloy



		14/2 to 8/4	BX, HCF, MC	14-8	14-8	Solid Stranded	Flexible	Power	3/8	FMC	7 1/2"	3760A11	000000	2	3760A12	000000


		4/2 to 2/4	BX, HCF, MC	4-2	4-2	Solid Stranded	Flexible	Power	1/2, 3/4	FMC	7 1/2"	3760A21	00000	2	3760A12	00000