Solid Copper Wire | McMaster-Carr

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270 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

38 products

Building Wire

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

6 products

Magnet Wire

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

26 products

Building Cable

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

30 products

Irrigation Cable

Supply low-voltage power in sprinkler systems

8 products

Thermostat Cable

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

12 products

Coaxial Cable

Transmit audio, data, and video signals

2 products

Circuit Board Cords

Short lengths of terminated wire make temporary connections on circuit boards

1 product

Fire Alarm Cable

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

8 products

Ethernet Cable

Send data between computers, printers, servers, and switches

14 products

Telephone Cable

Connect telephones and telephone blocks to a wall jack

2 products

Profibus Cable

Connect devices in Profibus communication networks

1 product

Wrap Wire

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

11 products

Wire Wrapping Tools

Wrap circuit board wire tightly around post terminals for a strong connection

1 product

Grounding Wire

Ground current in electrical systems

5 products

Circuit Board Cable

Flat and flexible, connect circuit boards inside electronic devices

20 products

Raw Materials

Copper

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

86 products