Power Wire | McMaster-Carr

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5,948 Products

Most Likely Products

Power Cable

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

295 products

Electrical Wire

Make single-wire connections; generally for lower voltages and shorter distances than cable

637 products

Control Cable

Send signals to control machinery and automated systems

617 products

Vehicle Cable

Make connections in low-voltage vehicle wiring systems

12 products

Electrical Cords

Connect equipment and devices to a power supply

2,367 products

All Results

Electrical

Power Cable

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

295 products

Control Cable

Send signals to control machinery and automated systems

617 products

Vehicle Cable

Make connections in low-voltage vehicle wiring systems

12 products

Welding Cable

Resist abrasion while carrying current for welding

20 products

Building Cable

Bring power to wall outlets and outlet boxes

36 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

Coaxial Cable

Transmit audio, data, and video signals

8 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

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

2 products

Pendant Cable

Supply power from an overhead source

7 products

Pendant Cable Hardware Kits

Hang equipment from drop-down cable

1 product

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

Outdoor Lighting Cable

Power low-voltage lighting equipment, such as landscape lighting

3 products

DeviceNet Cable

Connect devices in DeviceNet communication networks

4 products

Fire Alarm Cable

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

8 products

Circuit Board Cable

Flat and flexible, connect circuit boards inside electronic devices

20 products

Electrical Wire

Make single-wire connections; generally for lower voltages and shorter distances than cable

637 products

Electrical Cords

Connect equipment and devices to a power supply

2,367 products

Jumper Cable Clamps

Replace clamps on jumper cables

2 products

Electrical Cord Adapters

Change the electrical connection style between an outlet and your equipment

27 products

Distribution Blocks

Distribute electricity from a single power source to several devices in a circuit

47 products

Outlet Strips

Plug in multiple devices to power them from a single outlet

121 products

Development Board Cords

Connect your development board to components such as sensors and actuators

7 products

Electrical Cord Reels

Neatly store electrical cords for easy access

100 products

Jumper Cables

Jump-start a dead battery

12 products

Outlet Strip Mounts

Snap in outlet strips for quick mounting on flat surfaces

4 products

Voltage Adapters

Change AC voltage to DC voltage to power a device

284 products

Inverters

Transform DC voltage to power devices that run on AC voltage; prevent overload damage

12 products

Bonding and Grounding Reels

Neatly store included grounding clamp and cable, which prevent static buildup; tug to retract cable

12 products

Grounding Wire

Ground current in electrical systems

38 products

Grounding Straps

Flat shape creates more surface area contact than grounding wire

22 products

Cable Support Grips

Reduce tension and vibration that damage hanging cable; also known as bus drop grips

74 products

Lightning Rods

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

17 products

Bonding and Grounding Clamps

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

50 products

Conduit and Conduit Fittings

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

517 products

Measuring and Inspecting

Test Leads

Pair with electrical testers such as multimeters to analyze your devices

41 products

Test Lead Wire

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

4 products

Patch Cords

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

12 products

BNC Test Cords

Connect oscilloscopes and other testers to your equipment

4 products

Raw Materials

Copper

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

86 products

Fastening and Joining

MIG Welding Wire

Use with MIG welders to fuse metals together

182 products

Welding Cords

Quickly connect your welder to an electrode or other component, or ground your setup

10 products

Fluid Handling

Thermocouple Cords

Extend the reach of thermocouple probes

46 products