4 Gauge Wire | McMaster-Carr

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37 Products

About Wire and Cable

About Industry Designation for Cable Insulation

Use for ovens and furnaces
600V AC/600V DC and 600V AC: Flexible
300V AC: Bend and Stay
Temperature Range:
600V AC/600V DC: -40° to 840° F
600V AC: -65° to 480° F
300V AC: -40° to 1830° F

Protected by heat-resistant insulation, this wire is often used in ovens, furnaces, and other electrical heating equipment.

Wire with a fiberglass outer and mica inner insulation is also known as MG wire. It’s often used to wire equipment in steel mills, iron mills, and glass manufacturing.

									Per Ft.
Wire Ga.	Strand Count	Current	OD	Outer Insulation Color	Industry Designation	Specifications Met	Length, ft.		1-99	100-Up
Stranded Wire with Fiberglass Fabric Outer and Mica Inner Insulation
600V AC/600V DC
4	133/25	167 A @ 600° F, 304 A @ 86° F	0.37"	Beige	MG	UL Listed, CSA Certified	5, 10, 25, 50	0000000	000000	000000

Building Wire

Use for buildings
Stranded Wire: Flexible
Solid Wire: Bend and Stay
Temperature Range:
Wire with Nylon Outer Insulation: -10° to 190° F
Wire with Polyethylene Outer Insulation: -40° to 190° F

Install this copper wire in conduit and cable trays in commercial and industrial buildings. It's also known as branch circuit wire. The outer jacket is designed to be installed without applying pulling lubricant.

Stranded wire is flexible, so it’s pliable enough to be pulled around corners. Wire with a nylon outer insulation resists oil and water. Wire with a polyethylene outer insulation resists abrasion and chemicals. It’s more flexible than nylon insulated wire.

XHHW-2 wire is for dry and wet locations where wire may be exposed to dripping or splashing liquid. THHN wire can be used in dry or damp locations where wire is exposed to condensation or moisture, such as a basement. THWN and THWN-2 wire can be used in both wet and dry environments.

Flame rated VW-1 wire meets requirements for preventing the spread of flames based on a timed test with vertically suspended material.

Stranded Wire with Nylon Plastic Outer and PVC Plastic Inner Insulation

TFFN, THHN/THWN, and THHN/THWN-2 Stranded

Shorter Lengths

600V AC/600V DC
Wire Ga.	Strand Count	Current	OD	Industry Designation	Specifications Met	Choose an Outer Insulation Color	Length, ft.		Per Ft.
4	19/17	95 A @ 86° F	0.32"	THHN, THWN-2	UL Listed, C-UL Listed, Flame Rated VW-1	Black, Blue, Brown, Green, Orange, Red, White, Yellow	10, 25, 50, 100, 250	0000000	00000

500-ft. Spools

600V AC/600V DC
Wire Ga.	Strand Count	Current	OD	Industry Designation	Specifications Met	Choose an Outer Insulation Color		Each
4	19/17	95 A @ 86° F	0.32"	THHN, THWN-2	UL Listed, C-UL Listed, Flame Rated VW-1	Black, Blue, Brown, Green, Orange, Red, White, Yellow	0000000	0000000

Stranded Wire with Polyethylene Plastic Insulation

XHHW-2 Stranded

600V AC/1,000V DC
Wire Ga.	Strand Count	Current	OD	Outer Insulation Color	Industry Designation	Specifications Met		25 ft.	50 ft.	100 ft.	250 ft.	500 ft.
4	7/12	95 A @ 86° F	0.32"	Black	XHHW-2	UL Listed, C-UL Listed	000000	000000	0000000	0000000	0000000	0000000

Battery Wire

Use for vehicles
60V DC Wire: Flexible
600V AC/DC: Ultra Flexible
Temperature Range: -40° to 190° F

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.

SAE J1128 and SAE J1127 wire meet standards for low-voltage wiring in vehicle electrical systems.

								Per Ft.
Wire Ga.	Strand Count	Current	OD	Specifications Met	Choose an Outer Insulation Color	Length, ft.		1-99	100-Up
Stranded Wire with PVC Plastic Insulation
60V DC
4	70/22.5	110 A @ 86° F	0.38"	SAE J1127	Black, Red	10, 25, 50, 100	0000000	00000	00000
Stranded Wire with EPDM Rubber Insulation
600V AC/600V DC
4	385/30	140 A @ 86° F	0.34"	__	Black, Red	10, 25, 50, 100	0000000	0000	0000

Chemical-Resistant Continuous-Flex Wire

Use for automation, continuous motion
Continuous Flex
Temperature Range: -30° to 190° F
Insulation: TPE Rubber

The TPE insulation on this wire resists oil and coolant. Often used in automated applications such as robotics, it withstands continuous motion without degrading data or signal transmission. It’s flame rated FT1 to meet requirements for preventing the spread of flames based on a timed test with vertically suspended material.

									Per Ft.
Wire Ga.	Current	OD	Outer Insulation Color	Environment	Environmental Rating	Specifications Met	Length, ft.		1-99	100-Up
Stranded Wire
1,000V AC
4	131 A @ 86° F	0.45"	Black	Clean Room	ISO Class 1	UL Recognized Component, C-UL Recognized Component, Flame Rated FT1	10, 25, 50, 100	0000000	000000	00000

Outdoor Wire

Use for outdoors, buildings, power supply
Flexible
Temperature Range: -55° to 220° F
Insulation: EPDM Rubber

Protected by an EPDM insulation that resists UV light, water, abrasion, and oil, this wire is often used outdoors in lighting and generators. It’s flame rated FT5 to meet requirements for preventing the spread of flames based on a timed test with material that is horizontally suspended and heated before being exposed to flame.

								Per Ft.
Wire Ga.	Strand Count	Current	OD	Outer Insulation Color	Specifications Met	Length, ft.		1-99	100-Up
Stranded Wire
600V AC/600V DC
4	416/30	140 A @ 86° F	0.48"	Black	UL Listed, CSA Certified, Flame Rated FT5	10, 25, 50, 100	0000000	00000	00000

Cable

Use this general purpose cable to supply power to equipment.

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

SOOW—600V AC

Use For: Outdoors, Power Supply
Ultra Flexible
Temperature Range:
Black: -40° to 190° F
Yellow: -55° to 220° F
Insulation: EPDM Rubber

Ultra-flexible cable is good for applications that require tight turns.

SOOW cable has an oil-resistant outer and inner insulation, and water-resistant outer insulation. The EPDM rubber insulation has good tensile strength.

Flame rated cable meets requirements for preventing the spread of flames based on a timed test. FT2 cable is suspended horizontally during testing.

Stranded Wire—Black Outer Insulation
Wire Ga.	No. of Wires	Cable AWG	Current	OD	Inner Insulation Color	Specifications Met	Wire Material	Length, ft.		Per Ft.
4	3	4/3	70 A @ 86° F	1.14"	Black, Green, White	UL Listed, CSA Certified, Flame Rated FT2	Bare Copper	10, 25	000000	000000	00
										Per Ft.
										1-249	250-Up
4	4	4/4	60 A @ 86° F	1.26"	Black, Green, Red, White	UL Listed, CSA Certified, Flame Rated FT2	Bare Copper	10, 25, 50, 100, 250	0000000	00000	000000
4	5	4/5	48 A @ 86° F	1.37"	Black, Green, Orange, Red, White	UL Listed, CSA Certified, Flame Rated FT2	Bare Copper	10, 25, 50, 100, 250	0000000	00000	00000

Low-Voltage Cable

Use For: Appliances, Vehicles
Flexible
Temperature Range: -40° to 175° F
Insulation: PVC Plastic

Also known as GPT cable, this cable is often used in low-voltage applications such as battery and vehicle wiring and radios. It has one red wire and one black wire to easily identify polarity. The wires can be pulled apart for installation.

									Per Ft.
Wire Ga.	No. of Wires	Cable AWG	Wd.	Thick.	Outer Insulation Color	Industry Designation	Length, ft.		1-249	250-Up
Stranded Wire
12V DC
4	2	4/2	0.89"	0.43"	Black, Red	GPT	10, 25, 50, 100	0000000	00000	00000

Corrosion-Resistant Cable

Use For: Boats, Motors, Panel and Equipment (Hook-Up), Power Supply
Flexible
Temperature Range: -40° to 230° F
Insulation:
Outer: Chlorinated Polyethylene Plastic
Inner: Polyolefin Plastic

The chlorinated polyethylene insulation resists corrosive chemicals and salt water, and the wires are tin plated for corrosion resistance. This cable also withstands oil and solvents. It’s rated UL 1309 for use as marine shipboard cable.

										Per Ft.
Wire Ga.	No. of Wires	Cable AWG	Current	OD	Outer Insulation Color	Inner Insulation Color	Specifications Met	Length, ft.		1-99	100-Up
Stranded Wire
600V AC
4	4	4/4	68 A @ 86° F	1.04"	Black	Black, Green, Red, White	UL Listed, UL 1309, CSA Certified	5, 10, 25, 50	0000000	000000	000000

Armored Corrosion-Resistant Cable

Use For: Boats, Motors, Panel and Equipment (Hook-Up), Power Supply
Flexible
Temperature Range: -40° to 230° F
Insulation:
Outer: Chlorinated Polyethylene Plastic
Inner: Braided Bronze Armor, Polyolefin Plastic

A braided bronze armor provides excellent protection against abrasion and other damage. The chlorinated polyethylene insulation resists corrosive chemicals and salt water, and the wires are tin plated for corrosion resistance. This cable also withstands oil and solvents. It’s rated UL 1309 for use as marine shipboard cable.

										Per Ft.
Wire Ga.	No. of Wires	Cable AWG	Current	OD	Outer Insulation Color	Inner Insulation Color	Specifications Met	Length, ft.		1-99	100-Up
Stranded Wire
600V AC
4	4	4/4	68 A @ 86° F	1.26"	Black	Black, Green, Red, White	UL Listed, UL 1309, CSA Certified	5, 10, 25, 50	0000000	000000	000000

High-Voltage Cable

Use For: Power Supply, Outdoors
Flexible
Temperature Range: -40° to 190° F
Insulation: EPDM Rubber

Often used in mining equipment, submersible pumps, and drilling rigs, this cable withstands 2,000 volts AC/DC. The EPDM insulation resists abrasion, so it can be pulled over rough surfaces without damaging the wires inside.

Stranded Wire
Wire Ga.	No. of Wires	Cable AWG	Current	OD	Outer Insulation Color	Inner Insulation Color	Specifications Met		10 ft.	25 ft.	50 ft.
2,000V AC/2,000V DC
4	3	4/3	130 A @ 86° F	1.13"	Black	Black, Green, White	UL Listed, CSA Certified	000000	0000000	0000000	0000000

Oil-Resistant Continuous-Flex Cable

This cable has an insulation with excellent resistance to oil, so it can be used near motors and equipment that require oil lubrication. Often used in automated applications such as robotics and cable carriers, it withstands continuous motion without degrading data or signal transmission. It’s flame rated VW-1 to meet requirements for preventing the spread of flames based on a timed test with vertically suspended material.

Use unshielded cable in applications where signal interference is not a concern.

Shielded cable has a layer of braid that blocks signal interference from nearby equipment and devices.

Bend radius is the point to which the cable will bend without being damaged. It is measured from the center of the bend to the edge of the cable. The smaller the measurement, the tighter the bend.

Unshielded Stranded Wire

Unshielded

Use For: Automation, Continuous Motion
Continuous Flex
Insulation:
300 and 1000V AC: TPE Rubber Inner Insulation
600V AC: PVC Plastic Inner Insulation
See Table for Outer Insulation
Environment:
300 and 1000V AC: Clean Room
600V AC: Not Rated
Specifications Met:
300 and 1000V AC: UL Recognized Component, C-UL Recognized Component, Flame Rated VW-1
600V AC: UL Recognized Component, CSA Certified, Flame Rated VW-1

													Per Ft.
Wire Ga.	No. of Wires	Cable AWG	Current	Temp. Range, °F	OD	Bend Radius	Outer Insulation Material	Outer Insulation Color	Inner Insulation Color	Environmental Rating	Length, ft.		1-99	100-Up
1,000V AC
4	4	4/4	121 A @ 86° F	25° to 155°	1.02"	7.5"	PVC Plastic	Black	Black, Green/Yellow	ISO Class 2	5, 10, 20, 30, 50, 100	0000000	000000	000000

Shielded Stranded Wire

Shielded

Use For: Shielded: Automation, Continuous Motion, Interference Shielding
Continuous Flex
Insulation:
600V AC: PVC Plastic Inner Insulation
1,000V AC: TPE Rubber Inner Insulation
See Table for Outer Insulaton
Environment:
600V AC: Not Rated
1,000V AC: Clean Room
Specifications Met:
600V AC: UL Recognized Component, CSA Certified, Flame Rated VW-1
1,000V AC: UL Recognized Component, C-UL Recognized Component, Flame-Rated VW-1

													Per Ft.
Wire Ga.	No. of Wires	Cable AWG	Current	Temp. Range, °F	OD	Bend Radius	Outer Insulation Material	Outer Insulation Color	Inner Insulation Color	Environmental Rating	Length, ft.		1-99	100-Up
1,000V AC
4	4	4/4	121 A @ 86° F	25° to 155°	1.16"	8.4"	PVC Plastic	Black	Black, Green/Yellow	ISO Class 2	5, 10, 20, 30, 50, 100	0000000	000000	000000

Continuous-Flex and -Twist Robotics Cable

Unshielded

Use For:
Unshielded: Automation, Continuous Motion
Shielded: Automation, Continuous Motion, Interference Shielding
Continuous Flex
Temperature Range:
300V AC, 600V AC: -40° to 175° F
1,000V AC: -10° to 175° F
Insulation:
Outer: Polyurethane Rubber
Inner: TPE Rubber

In addition to handling continuous movement, this cable withstands twisting up to 450° without degrading data or signal transmission. It's often used in welding robots and rotary tables. It’s flame rated VW-1 to meet requirements for preventing the spread of flame based on a timed test with vertically suspended material. The polyurethane rubber insulation resists abrasion and oil.

Use unshielded cable in applications where signal interference is not a concern.

Bend radius is the point to which the cable will bend without being damaged. It is measured from the center of the bend to the edge of the cable. The smaller the measurement, the tighter the bend.

													Per Ft.
Wire Ga.	No. of Wires	Cable AWG	Current	OD	Bend Radius	Outer Insulation Color	Inner Insulation Color	Environment	Environmental Rating	Specifications Met	Length, ft.		1-99	100-Up
Unshielded Stranded Wire
1,000V AC
4	3	4/3	131 A @ 86° F	0.93"	9.1"	Blue	Black, Green/Yellow	Clean Room	ISO Class 1	C-UL Recognized Component, UL Recognized Component, Flame Rated VW-1	5, 10, 20, 30, 50	0000000	000000	000000

No-Conduit-Required Control Cable

Unshielded

Double Shielded

Use For:
Unshielded: Automation
Double Shielded: Automation, Interference Shielding
Flexible
Temperature Range: -10° to 190° F
Insulation:
Outer: PVC Plastic
Inner: Nylon/PVC Plastic Blend

This cable meets TC-ER crush and impact requirements for exposed runs in cable carriers, so it can be used without conduit. It withstands periodic flexing and bending, sends signal and data to operate, measure, or regulate automated equipment. The PVC insulation resists oil. It’s flame rated FT4 to meet requirements for preventing the spread of flames based on a timed test with material mounted to a vertical tray.

Use unshielded cable in applications where signal interference is not a concern.

Double shielded cable has a layer of braid and foil shielding that provides excellent protection against signal interference from nearby equipment and devices.

											Per Ft.
Wire Ga.	No. of Wires	Cable AWG	Current	OD	Outer Insulation Color	Inner Insulation Color	Industry Designation	Specifications Met	Length, ft.		1-99	100-Up
Unshielded Stranded Wire
600V AC
4	4	4/4	95 A @ 86° F	1.09"	Black	Black, Green/Yellow	TC-ER	UL Listed, C-UL Listed, CSA Certified, Flame Rated FT4	5, 10, 20, 30, 50	0000000	000000	000000
Double-Shielded Stranded Wire
600V AC
4	4	4/4	95 A @ 86° F	1.13"	Black	Black, Green/Yellow	TC-ER	UL Listed, C-UL Listed, CSA Certified, Flame Rated FT4	5, 10, 20, 30, 50	0000000	00000	00000

Motor Cable

This cable is used in variable-frequency drive motors. It has a layer of braid and foil shielding that provides excellent protection against signal interference caused by voltage fluctuations and current spikes. The industry designation is WTTC, so it can be installed in cable trays or raceway in a wind turbine generator. It’s flame rated FT4 to meet requirements for preventing the spread of flames based on a timed test with material mounted to a vertical tray. The insulation resists oil.

Cable with power wires sends electricity to run a motor.

MSHA approved cable meets Mine Safety and Health Administration (MSHA) standards for material quality.

Power Wire—Stranded

Power

Use For: Motors, Interference Shielding
Flexible
Temperature Range: -40° to 220° F
Insulation:
Outer: PVC Plastic
Inner: Nylon Plastic/PVC Plastic

Power Wire											Per Ft.
No. of	Ga.	Cable AWG	Current	OD	Outer Insulation Color	Inner Insulation Color	Industry Designation	Specifications Met	Length, ft.		1-99	100-Up
Double Shielded—1,000V AC/1,500V DC
4	4	4/4	70 A @ 86° F	1.19"	Black	Black, Green/Yellow	WTTC	UL Listed, C-UL Listed, Flame Rated FT4	5, 10, 20, 30, 50, 100	0000000	000000	000000

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.		10-249	250-Up
Stranded Wire
600V AC
4	K	364/30	0.33"	Flame Rated VW-1	Black, Red	10, 20, 25, 30, 50, 100, 250	0000000	00000	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
4	M	1,045/34	0.42"	Orange	UL Listed, CSA Certified, Flame Rated VW-1	10, 20, 25, 30, 50, 100, 250	0000000	00000	00000

Battery Power Cords

Connect batteries to each other.

Clamp × lug and lug × lug cords also connect batteries to electrical systems.

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

Clamp × Lug

				Cord
Wire Gauge	Lg.	Lug ID	End Shape	OD	Insulation Material	Connection Material	Temp. Range, °F	Choose a Color (Polarity)		Each
4	10"	3/8"	Straight	0.35"	PVC Plastic	Tin-Plated Copper	-40° to 220°	Black (Negative), Red (Positive)	00000000	000000
4	20"	3/8"	Straight	0.35"	PVC Plastic	Tin-Plated Copper	-40° to 220°	Black (Negative), Red (Positive)	00000000	00000
4	30"	3/8"	Straight	0.35"	PVC Plastic	Tin-Plated Copper	-40° to 220°	Black (Negative), Red (Positive)	00000000	00000
4	60"	3/8"	Straight	0.35"	PVC Plastic	Tin-Plated Copper	-40° to 220°	Black (Negative), Red (Positive)	00000000	00000

Lug × Lug

				Cord
Wire Gauge	Lg.	End Shape	Lug ID	OD	Insulation Material	Connection Material	Temp. Range, °F	Choose a Color (Polarity)		Each
4	10"	Straight	3/8"	0.35"	PVC Plastic	Tin-Plated Copper	-40° to 220°	Black (Negative), Red (Positive)	00000000	000000
4	20"	Straight	3/8"	0.35"	PVC Plastic	Tin-Plated Copper	-40° to 220°	Black (Negative), Red (Positive)	00000000	00000
4	30"	Straight	3/8"	0.35"	PVC Plastic	Tin-Plated Copper	-40° to 220°	Black (Negative), Red (Positive)	00000000	00000
4	60"	Straight	3/8"	0.35"	PVC Plastic	Tin-Plated Copper	-40° to 220°	Black (Negative), Red (Positive)	00000000	00000

Grounding Wire

Ground your electrical system.

Flexible Grounding Wire

Noninsulated

Noninsulated Solid Wire
Wire Gauge	OD	Material	Specifications Met		5ft.	25ft.	50ft.	100ft.
4	0.2"	Copper	ASTM B3, ASTM B8, Federal Standard QQ-W-343 Class B	0000000	000000	000000	0000000	0000000
Noninsulated Stranded Wire
4	0.23"	Copper	ASTM B3, ASTM B8, Federal Standard QQ-W-343 Class B	0000000	00000	00000	000000	000000

Jumper Cables

These cables have thick wires for a fast start on large trucks and industrial vehicles. The clamps are color-coded black (negative) and red (positive).

		Wire				Clamp
Lg., ft.	Max. Current, A	Ga.	Type	Material	Insulation Material	Material	Insulation Material	Temperature Range, °F		Pair
12	500	4	Stranded	Copper	PVC Plastic	Metal	PVC Plastic	-40° to 175°	0000000	0000000
16	500	4	Stranded	Copper	PVC Plastic	Metal	PVC Plastic	-40° to 175°	0000000	000000
20	500	4	Stranded	Copper	PVC Plastic	Metal	PVC Plastic	-40° to 175°	0000000	000000
25	500	4	Stranded	Copper	PVC Plastic	Metal	PVC Plastic	-40° to 175°	0000000	000000

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About Wire and Cable

About Industry Designation for Cable Insulation

High-Temperature Wire

Building Wire

Battery Wire

Chemical-Resistant Continuous-Flex Wire

Outdoor Wire

Cable

Low-Voltage Cable

Corrosion-Resistant Cable

Armored Corrosion-Resistant Cable

High-Voltage Cable

Oil-Resistant Continuous-Flex Cable

Continuous-Flex and -Twist Robotics Cable

No-Conduit-Required Control Cable

Motor Cable

Welding Cable

Flame-Resistant Welding Cable

Battery Power Cords

Grounding Wire

Jumper Cables