Copper Cable | McMaster-Carr

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2,707 Products

Electrical Power, Networking, and Controlling

Power Cable

Deliver power to motors, pumps, appliances, computers, and more

309 products

Control Cable

Send signals to control machinery and automated systems

589 products

Lead Wire

Your go-to wire for everything from electrical panels to plant equipment; also known as hook-up wire

311 products

Security Cable

Connect low-current security and intercom systems

53 products

Building Cable

With designations such as NM and UF, building cable brings power to wall outlets and outlet boxes

36 products

Ethernet Cable

Send data between computers, printers, servers, and switches

20 products

Battery Wire

Transmit power from batteries in vehicles, generators, and appliances

27 products

Vehicle Cable

Make multiple connections in low-voltage vehicle wiring systems

12 products

Variable-Frequency Drive Motor Cable

Connect variable-frequency drive motors to equipment

13 products

Irrigation Cable

Supply low-voltage power in sprinkler systems

8 products

Servo Cable

Connect servocontrollers and servomotors in automated equipment and on assembly lines

8 products

Building Wire

With designations such as THHN or THWN, building wire brings power to wall outlets and outlet boxes

36 products

CAN-Bus Cable

Connect devices in CAN-Bus communication networks

6 products

DeviceNet Cable

Connect devices in DeviceNet communication networks

4 products

Thermostat Cable

Hook up thermostats, air-conditioning units, and other low-voltage equipment

12 products

Pendant Cable

Supply power from an overhead source

7 products

Fieldbus Cable

Connect devices in Fieldbus communication networks

1 product

Profinet Cable

Connect devices in Profinet communication networks

2 products

Coaxial Cable

Transmit audio, data, and video signals

3 products

Vehicle Wire

Make connections in low-voltage vehicle wiring systems

112 products

Profibus Cable

Connect devices in Profibus communication networks

3 products

Ribbon Cable

Ultra flexible to connect components inside electronics

6 products

Fire Alarm Cable

Protected by flame-resistant insulation for critical circuits in fire alarm systems

8 products

Telephone Cable

Connect telephones and telephone blocks to a wall jack

6 products

Submersible Pump Cable

Supply power to submersible pumps in water or oil wells

2 products

Modbus Cable

Connect devices in Modbus communication networks

2 products

Outdoor Lighting Cable

Power low-voltage lighting equipment, such as landscape lighting

3 products

Ethernet Cords

Send data between computers, printers, servers, and switches

10 products

Speaker Cable

Hook up speakers, intercoms, and other low-current devices to a building's wiring

4 products

Circuit Board Cords

Short lengths of terminated wire make temporary connections on circuit boards

24 products

Magnet Wire

Wind into coils for high-speed winding applications, such as motors, transformers, and relays

26 products

Welding Cable

Resist abrasion while carrying current for welding

28 products

Coaxial Plugs

Pair with sockets or receptacles to make coaxial connections

13 products

Molex Plug and Socket Sets

Come with wire leads installed for quick additions to existing Molex systems

22 products

Metric Circular Connectors

Plugs, sockets, receptacles, and adapters for equipment with metric connections

42 products

Power Connectors

Plugs, sockets, receptacles, and other connectors for powering equipment

55 products

Micro 360 Connectors

Plugs and sockets to make control and data connections in tight spaces

20 products

Ferrules

Turn stranded wire into one rigid wire for easy insertion

103 products

Wrap Wire

Wrap around a circuit board post terminal without the need for soldering

8 products

Electrical Connector Caps

Protect data connectors when not in use

1 product

Grounding Wire

Ground current in electrical systems

38 products

Grounding Straps

Flat shape creates more surface area contact than grounding wire

22 products

Bonding and Grounding Clamps

Add cable or use included cable to create a grounding path, which prevents static charge buildup

18 products

Lightning Rods

Attract lightning strikes to safely redirect them from the tops of buildings to the ground

8 products

Battery Cords

Connect batteries to each other

24 products

Jumper Cords

Ready to connect with a terminal at one or both ends

7 products

Jumper Cables

Jump-start a dead battery

12 products

Circuit Board Cable

Flat and flexible, connect circuit boards inside electronic devices

20 products

Wire and Cable Strippers

Remove the outer insulation on wire and cable

33 products

Wire and Cable Crimpers

Crimp connectors onto electrical wire or cable

12 products

Conduit

Protect wiring from impact and the environment in runs indoors, outdoors, and underground

6 products

Material Handling

Wire Rope Compression Sleeves

Install a permanent loop at wire rope ends using a compression tool

84 products

Wire Rope Stops

Prevent wire rope from pulling out of cleats and guides or keep ends from fraying

26 products

Wire Rope End Fittings

Finish wire rope ends with threaded stud, eye, clevis, ball, hook, and other connections

2 products

Compression Tools

Crimp sleeves around rope and wire rope to create loops for attaching fittings

39 products

Lanyards

Pull, hang, tie down, and tether objects with the attached fittings

129 products

Measuring and Inspecting

Test Leads

Pair with electrical testers such as multimeters to analyze your devices

11 products

Fabricating and Machining

Temperature Sensors for 3D Printer Extruder Heating Elements

Measure heating block temperature and send it to printer controllers

1 product

Fluid Handling

Heating Tape

Wrap around pipe and tube to heat them

63 products

Raw Materials

Copper

Our most conductive metal for electrical applications—all with material certificates for traceability

86 products