RS-485 Cable | McMaster-Carr

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10 Products

About Wire and Cable

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

Industrial Profibus Cable

Connect devices such as sensors, PLCs, and actuators to a Profibus network.

This double-shielded cable has a layer of braid and foil shielding for better protection against signal interference than foil alone. Use it in environments with high signal distortion, such as near transformers, generators, and heavy duty motors.

Flexible—Flexible cable bends easily, but is not meant to be in constant motion.

Continuous Flex—Use continuous-flex cable in automated applications that require continuous motion, such as robotics.

PVC Outer Jacket—Choose cable with PVC outer jacket for general purpose indoor applications. Its protective layer resists abrasion, though it contains halogen. It’s also less flexible than cable with TPE jacket.

TPE Outer Jacket—Cable with TPE outer jacket has a protective layer that is more flexible and resists abrasion better than other materials. It also stands up to extreme temperatures and chemicals, making it good for use in harsh outdoor environments.

UL 2556 FT4—Flame rated cable meets requirements for preventing the spread of flames based on a timed test. FT4 cable is mounted to a vertical tray during testing.

UL 2556 VW-1—Flame rated cable meets requirements for preventing the spread of flames based on a timed test. VW-1 cable is suspended vertically during testing.

					Outer Jacket					Per Ft.
	Transmission Speed, Mbit/s	AWG (No. of Wires)	Temp. Range, ° F	OD	Material	Color	Flammability Rating	Choose a Length, ft.		1-99	100-Up
Flexible







				Double-Shielded Solid Wire

				12	22 (2)	-20 to 165	0.32"	PVC	Purple	UL 2556 FT4	10, 25, 50, 100, 250	8463T1	00000	00000


				Continuous Flex







								Double-Shielded Stranded Wire

								12	24 (2)	-30 to 155	0.33"	TPE	Purple	UL 2556 VW-1	10, 25, 50, 100, 250	8463T2	0000	0000


								12	24 (2)	45 to 155	0.33"	PVC	Purple	UL 2556 VW-1	10, 25, 50, 100, 250	8097T25	0000	0000

Industrial Modbus Cable

Connect devices such as sensors, PLCs, and actuators to a Modbus network.

This flexible cable bends easily, but is not meant to be in constant motion. Cable with PVC plastic outer jacket is best for general purpose indoor applications. Its protective layer resists abrasion, though it contains halogen. It’s also less flexible than cable with TPE jacket. This double-shielded cable has a layer of braid and foil shielding for better protection against signal interference than foil alone. Use it in environments with high signal distortion, such as near transformers, generators, and heavy duty motors.

Uninsulated ground wires are not counted in the number of wires.

					Outer Jacket					Per Ft.
	Transmission Speed, Mbit/s	AWG (No. of Wires)	Temp. Range, ° F	OD	Material	Color	Features	Choose a Length, ft.		1-99	100-Up
Flexible







				Double-Shielded Stranded Wire

				35	24 (2)	-20 to 175	0.23"	PVC	Gray	Uninsulated Ground Wire	10, 25, 50, 100, 250	8128T1	00000	00000


				35	24 (4)	-20 to 175	0.34"	PVC	Gray	Uninsulated Ground Wire	10, 25, 50, 100, 250	8128T2	0000	0000

Twisted-Pair Low-Capacitance Control Cable

A dynamic duo inside this cable protects signal integrity over long distances, even up to hundreds of feet across your facility. Twisted-pair conductors block internal and external signal interference. Plus, polyethylene insulation limits capacitance, preventing the energy buildup that degrades signals over long runs. This cable is often used with equipment such as sensors and PLCs. You can flex and bend it during installation and adjustments, but it’s not made for continuous motion.

Double Shielded—With two layers of shielding, this cable offers better protection against electromagnetic interference (EMI) than single-shielded cable. It’s often used near transformers, generators, and heavy-duty motors that may have voltage fluctuations and current spikes that distort signals.

				Outer Jacket						Per Ft.
	Cable AWG	Transmission Speed, Mbit/s	Capacitance per ft., pF	Material	Color	Cable Designation	Temp., ° F	Choose a Length, ft.		1-99	100-Up
300V AC







				Double Shielded

				24/4	10	12.5	PVC	Gray	CM, CMG	0 to 165	10, 25, 50, 100, 500	75985K72	00000	00000


				24/6	10	12.5	PVC	Gray	CM, CMG	0 to 165	10, 25, 50, 100, 500	75985K73	0000	0000
				24/10	10	12.5	PVC	Gray	CM, CMG	0 to 165	10, 25, 50, 100, 500	75985K74	0000	0000
				24/25	10	12.5	PVC	Gray	CM, CMG	0 to 165	10, 25, 50, 100, 500	75985K76	0000	0000

USB Adapter Cords

Adapt your USB port to connect to a variety of other devices. These USB cords are backward compatible, so they work with cords and connectors that meet the same or a lower USB standard.

USB-A Plug × DB9 Plug

Double Shielded—Double-shielded cords have insulation, so they reduce signal interference from nearby equipment and devices.

	Signal Type	Serial Port Interface	Shielding	Shield Type	Color		Each
USB 2.0—480 Mbit/s Transmission Speed



	2 1/2	Data	RS-422, RS-485	Double Shielded	Braid, Foil	Black	8761K14	000000