20 Gauge Wire | McMaster-Carr

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American Wire Gauge (AWG)

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

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DFARS Specialty Metals

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258 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

32 products

Control Cable

Send signals to control machinery and automated systems

112 products

Power Cable

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

10 products

Vehicle Wire

Make connections in low-voltage vehicle wiring systems

14 products

Thermocouple Wire

Connect thermocouples to switches, controllers, recorders, and thermometers

26 products

Vehicle Cable

Make multiple connections in low-voltage vehicle wiring systems

1 product

Thermostat Cable

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

6 products

CAN-Bus Cable

Connect devices in CAN-Bus communication networks

4 products

Coaxial Cable

Transmit audio, data, and video signals

1 product

Magnet Wire

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

2 products

Power Cords

Connect equipment and devices to a power source

4 products

Coaxial Cords

Transmit audio, video, and data with minimal signal loss

11 products

Ethernet Cords

Send data between computers, printers, servers, and switches

2 products

Solenoid Valve Cords

Connect solenoid components, such as valves and motors

4 products

Wire Taps

Connect a tap wire to a main wire without stripping

7 products

Measuring and Inspecting

Test Lead Wire

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

2 products

BNC Test Cords

Connect oscilloscopes and other testers to your equipment

4 products

Patch Cords

Make point-to-point connections between electrical testing equipment and your devices

5 products

Fluid Handling

Heating Pads

Stick to drums, pails, and other containers to indirectly warm their contents

10 products