3/0 AWG Electrical Wire | McMaster-Carr

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270 amp @ 86° F

350 amp @ 86° F

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5 Products

About Wire and Cable

Connect batteries in vehicles and generators.

Strand count is the number of strands followed by the size of the individual strand.

Wire with a PVC plastic insulation resists fuel and oil.

Wire with an EPDM rubber insulation is ultra-flexible for use in applications that require tight turns. The insulation resists abrasion and oil.

Wire with a cross-linked polyolefin (XLPO) insulation is ultra-flexible and withstands high heat, making it suitable for applications such as vehicle engine wiring.

SAE wire meets standards for low-voltage wiring in vehicle electrical systems.

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

Stranded Wire with PVC Plastic Insulation

Use for vehicles
Flexible
Temperature Range: -40° to 190° F

									Per Ft.
Wire Ga.	Strand Count	Current	OD	Industry Designation	Specifications Met	Choose an Outer Insulation Color	Length, ft.		1-99	100-Up
60V DC
3/0	259/22	270 A @ 86° F	0.66"	SGT	SAE J1127	Black, Red	10, 25, 50, 100	0000000	00000	00000

Stranded Wire with EPDM Rubber Insulation

Use for vehicles
Ultra Flexible
Temperature Range: -40° to 190° F

							Per Ft.
Wire Ga.	Strand Count	Current	OD	Choose an Outer Insulation Color	Length, ft.		1-99	100-Up
600V AC/600V DC
3/0	1,615/30	350 A @ 86° F	0.64"	Black, Red	10, 25, 50, 100	0000000	00000	00000

Stranded Wire with Cross-Linked Polyolefin (XLPO) Insulation

Use for vehicles
Ultra Flexible
Temperature Range: -40° to 255° F

60V AC
Wire Ga.	Strand Count	Current	OD	Industry Designation	Specifications Met	Choose an Outer Insulation Color		10 ft.	25 ft.	50 ft.	100 ft.
3/0	1,615/30	Not Rated	0.65"	SGX	SAE J1654	Black, Red	0000000	0000000	0000000	0000000	000000000

Welding Cable

Use For: Welding
600V AC: Bend and Stay
600V AC/DC: Flexible
Temperature Range: -55° to 220° F
Insulation: EPDM Rubber

This cable withstands abrasion, oil, and the rough conditions found in welding applications. It’s flame rated VW-1 to meet requirements for vertical flame testing.

Class K cable is for general purpose welding applications. It bends and stays in the position that you bend it.

								Per Ft.
Wire Ga.	Stranded Wire Class	Strand Count	OD	Specifications Met	Choose an Outer Insulation Color	Length, ft.		1-249	250-Up
Stranded Wire
600V AC
3/0	K	1,547/30	0.62"	UL 2556 VW-1	Black, Red	10, 20, 25, 30, 50, 100, 250	0000000	000000	00000

Flame-Resistant Welding Cable

Use For: Outdoors, Welding
Flexible
Temperature Range: -55° to 190° F
Insulation: Polyethylene Plastic

This cable meets Mine Safety and Health Administration (MSHA) standards for flame resistance. It’s also flame rated VW-1 to meet requirements for preventing the spread of flames, based on a timed test with vertically suspended material. The insulation resists abrasion and chemicals.

								Per Ft.
Wire Ga.	Stranded Wire Class	Strand Count	OD	Outer Insulation Color	Specifications Met	Length, ft.		10-249	250-Up
Stranded Wire
600V AC/600V DC
3/0	M	4,214/34	0.7"	Orange	UL Listed, CSA Certified, UL 2556 VW-1	10, 20, 25, 30, 50, 100, 250	0000000	000000	000000

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Welding Cable

Flame-Resistant Welding Cable