Power Wire | McMaster-Carr

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Interference Shielding

Motors

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5,972 Products

Electrical

Electrical Cable

Make multi-wire connections; generally for higher voltages and longer distances than wire

1,171 products

Electrical Cable Hardware Kits

Hang equipment from drop-down cable

1 product

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

2,376 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

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

Conduit Box Connectors

Attach conduit to a knockout in electrical boxes

487 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 Bushings

Guard wiring from sharp edges at the ends of conduit

30 products

Measuring and Inspecting

Test Leads

Pair with electrical testers such as multimeters to analyze your devices

41 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

Test Lead Wire

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

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 Cables

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