Insulated Copper Wire | McMaster-Carr

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1,722 Products

Electrical Power, Networking, and Controlling

Lead Wire

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

311 products

Building Wire

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

36 products

Control Cable

Send signals to control machinery and automated systems

589 products

Power Cable

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

309 products

Magnet Wire

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

26 products

Vehicle Wire

Make connections in low-voltage vehicle wiring systems

112 products

Battery Wire

Transmit power from batteries in vehicles, generators, and appliances

27 products

Circuit Board Cords

Short lengths of terminated wire make temporary connections on circuit boards

24 products

Fire Alarm Cable

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

8 products

Variable-Frequency Drive Motor Cable

Connect variable-frequency drive motors to equipment

13 products

Outdoor Lighting Cable

Power low-voltage lighting equipment, such as landscape lighting

3 products

Speaker Cable

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

4 products

Coaxial Cable

Transmit audio, data, and video signals

3 products

Ethernet Cable

Send data between computers, printers, servers, and switches

20 products

Building Cable

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

36 products

Ribbon Cable

Ultra flexible to connect components inside electronics

6 products

Servo Cable

Connect servocontrollers and servomotors in automated equipment and on assembly lines

8 products

CAN-Bus Cable

Connect devices in CAN-Bus communication networks

6 products

Irrigation Cable

Supply low-voltage power in sprinkler systems

8 products

Fieldbus Cable

Connect devices in Fieldbus communication networks

1 product

DeviceNet Cable

Connect devices in DeviceNet communication networks

4 products

Modbus Cable

Connect devices in Modbus communication networks

2 products

Thermostat Cable

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

12 products

Security Cable

Connect low-current security and intercom systems

53 products

Submersible Pump Cable

Supply power to submersible pumps in water or oil wells

2 products

Profinet Cable

Connect devices in Profinet communication networks

2 products

Vehicle Cable

Make multiple connections in low-voltage vehicle wiring systems

12 products

Telephone Cable

Connect telephones and telephone blocks to a wall jack

6 products

Profibus Cable

Connect devices in Profibus communication networks

3 products

Pendant Cable

Supply power from an overhead source

8 products

Welding Cable

Resist abrasion while carrying current for welding

28 products

Wrap Wire

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

11 products

Grounding Straps

Flat shape creates more surface area contact than grounding wire

5 products

Circuit Board Cable

Flat and flexible, connect circuit boards inside electronic devices

20 products

Measuring and Inspecting

Test Lead Wire

Add your own clips, tips, and adapters to link electrical testers to the units you're checking

4 products