28 Gauge Wire | McMaster-Carr

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96 Products

About Wire and Cable

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

Lead Wire

Also known as hook-up wire, this wire is primarily used for wiring electrical panels, lighting, and plant floor equipment. It meets UL 1007, UL 1015, or UL 1569 for appliance wiring.

Stranded Wire—300V AC

Stranded wire is flexible, so it’s pliable enough to be pulled around corners. The strand count is the number of strands followed by the size of the individual strand. The higher the number of strands, the more flexible the wire.

UL 2556 VW-1—Flame rated VW-1 wire meets requirements for preventing the spread of flames based on a timed test with vertically suspended material.

AWG	Wire Strand Count	Current @ Temp.	OD	Temp. Range, ° F	Outer Jacket Material	Certification	Flammability Rating	AWM Style	Choose an Outer Jacket Color		25 ft. Long	50 ft. Long	100 ft. Long	200 ft. Long	500 ft. Long
28	7/36	4 amp @ 86° F	0.05"	-40 to 220	PVC	CSA Certified, UL Recognized Component	UL 2556 VW-1	1007, 1569	Black, Blue, Brown, Gray, Green, Green/Yellow, Orange, Purple, Red, White, Yellow	8054T31	00000	00000	000000	000000	000000

Miniature Continuous-Flex Control Cable

Deliver precise signals through compact areas. This cable is ideal for continuous motion in small, automated equipment, such as the micro gantry in a 3D printer. It will last for millions of flex cycles while reliably transmitting signals. Its finely stranded conductors are twisted together like a rope to resist wear from constant bending.

Shielded—A single layer of shielding protects sensitive electronics and control systems by blocking electromagnetic interference (EMI). Otherwise, equipment such as motors and pumps could distort signals.

			Outer Jacket
	Cable AWG	Current @ Temp.	Material	Color	Temp., ° F		10 ft. Long	25 ft. Long
200V AC







				Shielded

				28/2	2.2 amp @ 86° F	PVC	Black	-40 to 220	3890N22	000000	0000000


				28/3	2.2 amp @ 86° F	PVC	Black	-40 to 220	3890N23	00000	000000
				28/4	1.8 amp @ 86° F	PVC	Black	-40 to 220	3890N24	00000	000000
				28/5	1.8 amp @ 86° F	PVC	Black	-40 to 220	3890N25	00000	000000

High-Voltage Continuous-Flex Flat Power Cable

For high-voltage systems with constant motion, this cable flexes without breaking. Its thick silicone rubber jacket insulates against high voltage and resists chemicals, oil, moisture, and UV rays. The jacket also has a low-smoke, zero-halogen (LSZH) design to prevent toxic emissions if there’s a fire.

				Outer Jacket								Per Ft.
	Cable AWG	Current @ Temp.	Bend Radius	Material	Color	Temp., ° F	Flammability Rating	Certification	Clean Room Std.	Choose a Length, ft.		1-99	100-Up
17,000V AC/12,000V DC







				Unshielded

				28/2	5 amp @ 86° F	0.8"	Silicone Rubber	Clear	-85 to 325	UL 94 V-0	CSA Certified, UL Recognized Component	Fed. Std. Class 1, ISO Class 3	10, 20, 30, 50, 100	9634T101	00000	00000


				28/3	5 amp @ 86° F	0.8"	Silicone Rubber	Clear	-85 to 325	UL 94 V-0	CSA Certified, UL Recognized Component	Fed. Std. Class 1, ISO Class 3	10, 20, 30, 50, 100	9634T102	0000	0000
				28/4	5 amp @ 86° F	0.8"	Silicone Rubber	Clear	-85 to 325	UL 94 V-0	CSA Certified, UL Recognized Component	Fed. Std. Class 1, ISO Class 3	10, 20, 30, 50, 100	9634T103	0000	0000
				28/6	5 amp @ 86° F	0.8"	Silicone Rubber	Clear	-85 to 325	UL 94 V-0	CSA Certified, UL Recognized Component	Fed. Std. Class 1, ISO Class 3	10, 20, 30, 50, 100	9634T104	0000	0000
				28/8	5 amp @ 86° F	0.8"	Silicone Rubber	Clear	-85 to 325	UL 94 V-0	CSA Certified, UL Recognized Component	Fed. Std. Class 1, ISO Class 3	10, 20, 30, 50, 100	9634T105	0000	0000
				28/10	5 amp @ 86° F	0.8"	Silicone Rubber	Clear	-85 to 325	UL 94 V-0	CSA Certified, UL Recognized Component	Fed. Std. Class 1, ISO Class 3	10, 20, 30, 50, 100	9634T106	0000	0000

Thin-Insulation Lead Wire

Nearly half the diameter and up to 40% lighter than standard wire of the same gauge and voltage, this wire fits in tight spaces. Also known as hook-up wire, it’s good for wiring electrical panels and plant floor equipment, or can be used as an alternative to building wire. It’s flame rated VW-1 to meet requirements for preventing the spread of flames, based on a timed test with vertically suspended material.

					Temp., ° F									Per Ft.
	AWG	Wire Strand Count	Current @ Temp.	OD	Min.	Max.	Flexibility	Wire Material	Certification	Flammability Rating	Choose an Outer Jacket Color	Choose a Length, ft.		1-499	500-Up
Stranded Wire with mPPE Outer Jacket







				600V AC

				28	7/36	1 amp @ 86° F	0.03"	-40	220	Flexible	Tin-Plated Copper	C-UL Listed, UL Listed	UL 2556 VW-1	Black, Green, Red, White	25, 50, 100, 500	6450T21	00000	00000

High-Temperature Thin-Insulation Lead Wire

With a slim PFA plastic insulation, this wire has the same heat resistance as standard high-temperature wire but its diameter is one-third the size for use in tight spaces. It withstands water, sunlight, and chemicals, making it good for use in oil and gas applications. It’s also known as hook-up wire.

					Temp., ° F								Per Ft.
	AWG	Wire Strand Count	Current @ Temp.	OD	Min.	Max.	Flexibility	Wire Material	Certification	Choose an Outer Jacket Color	Choose a Length, ft.		1-99	100-Up
Stranded Wire with PFA Outer Jacket







				600V AC

				28	7/36	1.4 amp @ 86° F	0.03"	-235	570	Flexible	Nickel-Plated Copper	UL Recognized Component	Black, Green, Red, White	10, 25, 50, 100, 250	6291N11	00000	00000

Development Board Cords

Make quick, secure connections between your development board and your system’s components, such as sensors and actuators. These cords transmit data via I²C communication protocol, supporting up to 100 I²C devices in your system.

Machine-Pin-Terminal Plug × Qwiic Socket

Machine-pin plugs and sockets use friction to make temporary connections to breadboards and the headers on development boards.

Qwiic sockets snap securely into place, making them good for short-term and long-term installations. There is no need to solder wire to your board or device.

	AWG	No. of Wires	Color		Each
I²C Communication Protocol



	6"	28	4	Black, Blue, Red, Yellow	7414N11	00000

Machine-Pin-Terminal Socket × Qwiic Socket

Machine-pin plugs and sockets use friction to make temporary connections to breadboards and the headers on development boards.

Qwiic sockets snap securely into place, making them good for short-term and long-term installations. There is no need to solder wire to your board or device.

	AWG	No. of Wires	Color		Each
I²C Communication Protocol



	6"	28	4	Black, Blue, Red, Yellow	7414N12	00000

Grove Socket × Qwiic Socket

Qwiic and Grove sockets snap securely into place, making them good for short-term and long-term installations. There is no need to solder wire to your board or device.

	AWG	No. of Wires	Color		Each
I²C Communication Protocol



	4"	28	4	Black, Blue, Red, Yellow	7414N17	00000

Qwiic Socket × Qwiic Socket

Qwiic sockets snap securely into place, making them good for short-term and long-term installations. There is no need to solder wire to your board or device.

	AWG	No. of Wires	Color		Each
I²C Communication Protocol



	2"	28	4	Black, Blue, Red, Yellow	7414N13	00000


	4"	28	4	Black, Blue, Red, Yellow	7414N14	0000
	7 3/4"	28	4	Black, Blue, Red, Yellow	7414N15	0000
	19 1/2"	28	4	Black, Blue, Red, Yellow	7414N16	0000

Chemical-Resistant Lead Wire

Our most chemical-resistant wire—the PTFE insulation protects against most chemicals, solvents, and oil. The PTFE is slippery, so it withstands some abrasion. The wire has a silver-plated finish for corrosion resistance and strength. It’s flame rated VW-1 to meet requirements for preventing the spread of flames based on a timed test with vertically suspended material. Rated MIL-W-16878/4-Type E, it meets stringent military specifications for material quality. Also known as hook-up wire.

														Per Ft.
	AWG	Wire Strand Count	Current @ Temp.	OD	Temp. Range, ° F	Outer Jacket Material	Certification	Mil. Spec.	Flammability Rating	Wire Material	Choose an Outer Jacket Color	Choose a Length, ft.		1-99	100-Up
Stranded Wire







				600V AC

				28	7/36	1.3 amp @ 86° F	0.04"	-65 to 390	PTFE	Mil. Spec., UL Recognized Component	MIL-W-16878/4 Type E	UL 2556 VW-1	Silver-Plated Copper	Black, Green, Red, White	10, 25, 50, 100	7304K22	00000	00000

Stretchable Continuous-Flex Control Cable

Unshielded

Shielded

This cable extends up to 40% of its original length then recovers, all while sending reliable signals. Thanks to a stretchable core and jacket, vibration and bending won't degrade the signal over its long flex life. Ideal for constant motion applications, it's often sewn into garments and integrated into wearable devices.

Unshielded—Choose unshielded wires when electromagnetic interference (EMI) isn't a concern. Equipment such as motors and pumps may have voltage fluctuations and current spikes that distort signals.

Pinch Clamps—Hold the cable in place while it moves. Crimp the pinch points on the clamp to install.

	Cable									Pinch Clamps
			Outer Jacket					Per Ft.
	Cable AWG	Current @ Temp.	Material	Color	Temp., ° F	Choose a Length, ft.		1-99	100-Up	Pkg. Qty.		Pkg.
300V AC







				Unshielded

				28/2	1.5 amp @ 86° F	Polyurethane Rubber	Black	-30 to 175	1, 5, 10, 25	6720T12	00000	00000	25	6541K31	000000


				28/3	1 amp @ 86° F	Polyurethane Rubber	Black	-30 to 175	1, 5, 10, 25	6720T13	00000	00000	25	6541K33	00000




						Shielded

						28/2	1.5 amp @ 86° F	Polyurethane Rubber	Black	-30 to 175	1, 5, 10, 25	6720T15	0000	0000	25	6541K31	00000


						28/3	1 amp @ 86° F	Polyurethane Rubber	Black	-30 to 175	1, 5, 10, 25	6720T16	00000	00000	25	6541K34	00000

Tangle-Resistant Lead Wire

Eliminate tangles—the slippery insulation on this wire won't catch on itself, other wires, or on rough surfaces. It’s also known as hook-up wire.

					Temp., ° F							Per Ft.
	AWG	Wire Strand Count	Current @ Temp.	OD	Min.	Max.	Outer Jacket Color	Flexibility	Wire Material	Choose a Length, ft.		1-499	500-Up
Stranded Wire with Polyurethane Rubber/PVC Outer Jacket







				300V AC

				28	40/44	0.8 amp @ 86° F	0.04"	-30	175	Gray	Ultra Flexible	Tin-Plated Copper	25, 50, 100	8675T3	00000	00000

Motor Winding Wire

Also known as magnet wire, this wire is commonly used in motors, transformers, relays, and other high-speed winding applications. It stays in the position you bend it.

ANSI/NEMA 1000 MW 35-C and ANSI/NEMA 1000 MW 73-C—Wire meets ANSI/NEMA 1000 MW 35-C for material quality and ANSI/NEMA 1000 MW 73-C for use in sealed motors and material quality.

	OD	Outer Jacket Material	Max. Temp., ° F	Lg., ft.	Specs. Met	Certification		Each
Solid Wire



	28	0.02"	Nylon	390	2,000	ANSI/NEMA 1000 MW 35-C, ANSI/NEMA 1000 MW 73-C	UL Recognized Component	7588K73	000000


	28	0.02"	Nylon	390	4,000	ANSI/NEMA 1000 MW 35-C, ANSI/NEMA 1000 MW 73-C	UL Recognized Component	7588K43	00000

Continuous-Flex Lead Wire

Often used in automated applications such as robotics, this wire withstands continuous motion without degrading data or signal transmission.

Wire is a UL recognized component.

Stranded Wire with PVC Outer Jacket

American Wire Gauge (AWG)—Wire gauges 36-30 are UL recognized components up to 30V AC. Wire gauges 28-18 are UL recognized components up to 150V AC.

										Per Ft.
	AWG	Wire Strand Count	Current @ Temp.	Temp. Range, ° F	OD	Certification	Choose an Outer Jacket Color	Choose a Length, ft.		1-99	100-Up
Unshielded







				Copper Wire—600V AC

				28	42/44	0.8 amp @ 86° F	-40 to 175	0.04"	UL Recognized Component	Black, Green, Red, White	10, 25, 50, 100, 250	7071K17	00000	00000

Wrap Wire

This wire wraps around a post terminal on a circuit board to make an electrical connection, eliminating the need for soldering. It stays in the shape you bend it for a tight wrap around the post.

Solid Wire About Solid Wire

PVDF Outer Jacket—PVDF wire is also known as Kynar wire.

Silver-Plated Copper Wire—A silver-plated finish provides corrosion resistance and strength.

AWG	OD	Outer Jacket Material	Max. Temp., ° F	Lg., ft.	Wire Material	Choose an Outer Jacket Color		Each
28	0.02"	PVDF	200	100	Silver-Plated Copper	Black, Blue, Red	3113N3	000000

Wrap Wire Tools

Use a wrap wire tool to make a tighter connection than wrapping by hand. The tool also unwinds wire from the post.

Wrap a coil tightly around a terminal post for a strong electrical connection. These compact tools won't bump into neighboring terminal posts and disrupt the rest of your circuit board, making them ideal for accessing posts that your hands can’t reach. Thread stripped wire into the tip, insert the tool over a post terminal, and twist to form a coil. Alternate between winding and unwinding by reversing the tip, just as you would a screwdriver bit.

For Post			Wrap End				Unwrap End
Size	Shape	Min. Ctr.-to-Ctr.	Hole Dia.	Hole Dp.	For Wire Ga.	For Max. Wire OD	Hole Dia.	Hole Dp.	For Wire Ga.	Handle Material		Each
0.025"	Square	0.1"	0.04"	0.75"	28	0.036"	0.038"	1"	32, 30, 28, 26, 24	Aluminum	3103N11	0000000

Shielded Stretchable Lead Wire

The shielding in this wire blocks signal interference from nearby equipment and devices. When pulled lengthwise, it extends 40% and then returns to its original length, so it's useful for high-vibration and continuous-motion applications such as robotics. It’s also known as hook-up wire.

Pinch Clamps—Pinch clamps (sold separately) act as ferrules to hold insulation in place in continuous-motion applications. Crimp the pinch points on the clamp to install (crimper not included).

	Lead Wire													Pinch Clamps
					Temp., ° F							Per Ft.
	AWG	Wire Strand Count	Current @ Temp.	OD	Min.	Max.	Outer Jacket Color	Flexibility	Wire Material	Choose a Length, ft.		1-99	100-Up	Pkg. Qty.		Pkg.
Stranded Wire with Polyurethane Rubber Outer Jacket and Polypropylene Inner Insulation—Foil Shield







				300V AC

				28	40/44	2 amp @ 86° F	0.12"	-30	175	Black	Continuous Flex	Tin-Plated Copper	1, 5, 10, 25	6720T14	00000	00000	25	6541K31	000000

High-Voltage Continuous-Flex Lead Wire

A thick insulation protects this wire from high voltages while maintaining flexibility. The insulation also resists moisture. Often used in automated applications such as robotics, it withstands continuous motion without degrading data or signal transmission. It meets UL 94 V-0 for flame retardance. If this wire is exposed to flames, it minimizes how much smoke and halogen it releases.

Stranded Wire with Silicone Rubber Outer Jacket

														Per Ft.
	AWG	Wire Strand Count	Current @ Temp.	Temp. Range, ° F	OD	Outer Jacket Color	Performance	Environment	Clean Room Std.	Certification	Flammability Rating	Choose a Length, ft.		1-99	100-Up
Unshielded







				Tin-Plated Copper Wire—17,000V AC/12,000V DC

				28	16/40	5 amp @ 86° F	-85 to 325	0.21"	Clear	Flame Retardant, High Voltage, Low Smoke, Zero Halogen	Clean Room	Fed. Std. Class 1, ISO Class 3	CSA Certified, UL Recognized Component	UL 94 V-0	5, 10, 25, 50, 100	9620T12	00000	00000

Stretchable Lead Wire

When pulled lengthwise, this wire extends 40% and then returns to its original length, so it's useful for high-vibration and continuous-motion applications such as robotics. It’s also known as hook-up wire.

Pinch Clamps—Pinch clamps (sold separately) act as ferrules to hold insulation in place in continuous-motion applications. Crimp the pinch points on the clamp to install (crimper not included).

	Lead Wire													Pinch Clamps
					Temp., ° F							Per Ft.
	AWG	Wire Strand Count	Current @ Temp.	OD	Min.	Max.	Outer Jacket Color	Flexibility	Wire Material	Choose a Length, ft.		1-99	100-Up	Pkg. Qty.		Pkg.
Stranded Wire with Polyurethane Rubber Outer Jacket and Polypropylene Inner Insulation







				300V AC

				28	40/44	2 amp @ 86° F	0.11"	-30	175	Black	Continuous Flex	Tin-Plated Copper	1, 5, 10, 25	6720T11	00000	00000	25	6541K31	000000

Telephone Cable

Telephone-to-Wall Jack

Connect telephones and telephone blocks to a wall jack. Terminate the cable with telephone plugs or jacks (not included).

	Cable AWG	Lg., ft.	Outer Jacket Color		Each
Stranded Wire







	Telephone-to-Wall Jack

	RJ11	28	4	28/4	50	Gray	5703T33	000000


	RJ11	28	4	28/4	500	Gray	5703T91	000000
	RJ12, RJ25	28	6	28/6	50	Gray	5703T34	00000
	RJ12, RJ25	28	6	28/6	500	Gray	5703T911	00000

Thermocouple Cords with Connectors


Coiled Cable with Flat-Pin Mini Male × Female Connector	Coiled Cable with Flat-Pin Mini Male × Male Connector

Extend the reach of your thermocouple probe—plug-in connectors on both ends of these cords speed up installation.

Coiled Cable—Coiled cable stays neat and compact for easy storage. You can stretch it out to extend its reach.

				Wire		Material
	Thermocouple Type	Temp. Range, ° F	Lg., ft.	AWG	Dia.	Insulation	Jacket	Max. Jacket Temp., ° F		Each
Coiled Cable—Stranded Wire







				Flat-Pin Mini Male × Flat-Pin Mini Female Connector

				J	-30 to 220	5	28	0.165"	PTFE	Polyurethane Rubber	220	3873K271	000000


				K	-30 to 220	5	28	0.165"	PTFE	Polyurethane Rubber	220	3873K272	00000
				T	-30 to 220	5	28	0.165"	PTFE	Polyurethane Rubber	220	3873K273	00000




						Flat-Pin Mini Male × Flat-Pin Mini Male Connector

						J	-30 to 220	5	28	0.165"	PTFE	Polyurethane Rubber	220	3873K61	00000


						K	-30 to 220	5	28	0.165"	PTFE	Polyurethane Rubber	220	3873K62	00000
						T	-30 to 220	5	28	0.165"	PTFE	Polyurethane Rubber	220	3873K63	00000

Wrap Wire Assortments


	Dispenser Box Shown Open

Keep multiple colors of wrap wire on hand to color code connections in circuit boards for easy identification. This wire winds around a post terminal to make a strong electrical connection—no soldering needed. Lightweight and flexible, it stays in the shape you bend it for a tight hold.

All of these assortments come with a wire stripper to cut and strip your wire. Store and organize the wire with the included dispenser box.

PVDF Outer Jacket—This wire has a PVDF outer jacket, which resists breaking down from chemicals and melting up to 200° F. Because the jacket is PVDF, it’s commonly known as Kynar wire.

Silver-Plated Copper Wire—A silver plating shields the wire from corrosion as well as wear and tear.

				Outer Jacket
	No. of Spools	AWG	OD	Material	Color	Max. Temp., ° F	Lg., ft.	AWM Style	Wire Material		Each
Solid Wire



		5	28	0.02"	PVDF	Black, Blue, Red, White, Yellow	200	100	1423	Silver-Plated Copper	6429N12	0000000

Wrap Wire Tools

For an even tighter connection than wrapping by hand, use a wrap wire tool. Thread the wire into the tip, insert the tool over a post terminal, and twist. Alternate between winding and unwinding by reversing the tip, just as you would a screwdriver bit.

For Post			Wrap End				Unwrap End
Size	Shape	Min. Ctr.-to-Ctr.	Hole Dia.	Hole Dp.	For Wire Ga.	For Max. Wire OD	Hole Dia.	Hole Dp.	For Wire Ga.	Handle Material		Each
0.025"	Square	0.1"	0.04"	0.75"	28	0.036"	0.038"	1"	32, 30, 28, 26, 24	Aluminum	3103N11	0000000

D-Sub Cords

Connect computers, monitors, printers, and other devices with DB connections.

DB9 Plug × Wire Leads


	DB9

Each wire lead is a separate color for easy identification and they are labeled with the pin that they are connected to. The thumb screws on these connectors have slots so they can be tightened with a screwdriver in tight spaces.