Power Wire | McMaster-Carr

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Electrical Connection

1" Circular Connector

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7,987 Products

Electrical Power, Networking, and Controlling

Power Cable

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

Control Cable

Send signals to control machinery and automated systems

Lead Wire

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

Vehicle Cable

Make multiple connections in low-voltage vehicle wiring systems

Power Cords

Connect equipment and devices to a power source

Battery Wire

Transmit power from batteries in vehicles, generators, and appliances

Building Wire

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

Vehicle Wire

Make connections in low-voltage vehicle wiring systems

Variable-Frequency Drive Motor Cable

Variable-Frequency Drive Motor Cable

Connect variable-frequency drive motors to equipment

Irrigation Cable

Irrigation Cable

Supply low-voltage power in sprinkler systems

Coaxial Cable

Transmit audio, data, and video signals

Pendant Cable

Supply power from an overhead source

Building Cable

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

CAN-Bus Cable

Connect devices in CAN-Bus communication networks

Extension Cords

Extension Cords

Extend the reach of power from an outlet

Thermostat Cable

Thermostat Cable

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

Security Cable

Connect low-current security and intercom systems

Submersible Pump Cable

Submersible Pump Cable

Supply power to submersible pumps in water or oil wells

Pendant Cable Hardware Kits

Pendant Cable Hardware Kits

Hang equipment from drop-down cable

Ribbon Cable

Ultra flexible to connect components inside electronics

Servo Cable

Connect servocontrollers and servomotors in automated equipment and on assembly lines

Outdoor Lighting Cable

Outdoor Lighting Cable

Power low-voltage lighting equipment, such as landscape lighting

DeviceNet Cable

DeviceNet Cable

Connect devices in DeviceNet communication networks

Fire Alarm Cable

Fire Alarm Cable

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

Metric Circular Cords

Metric Circular Cords

Send power and signal to equipment with metric connections

Breakaway Cords

Breakaway Cords

Disconnect if pulled to prevent stress on cord

Solenoid Valve Cords

Solenoid Valve Cords

Connect solenoid components, such as valves and motors

Ethernet Cords

Send data between computers, printers, servers, and switches

Thunderbolt Cords

Thunderbolt Cords

Transmit data and video at high speeds between PCs, mobile devices, and displays

Mini Cords

Often used to send power and control signals to automated systems, motors, and pumps

USB Cords

Transfer data between computers, printers, and mobile devices

Robot Teach Pendant Cord Reels

Robot Teach Pendant Cord Reels

Keep the cords connecting your robot controller and teach pendant organized and out of the way

Circuit Board Cords

Circuit Board Cords

Short lengths of terminated wire make temporary connections on circuit boards

Magnet Wire

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

Thermocouple Wire

Thermocouple Wire

Connect thermocouples to switches, controllers, recorders, and thermometers

RTD Wire

Connect RTD sensors to measurement and control devices

Extension Cord Reels

Extension Cord Reels

Keep extension cords easy to access without creating a tripping hazard

Welding Cable

Resist abrasion while carrying current for welding

Power Connectors

Power Connectors

Plugs, sockets, receptacles, and other connectors for powering equipment

Metric Circular Connectors

Metric Circular Connectors

Plugs, sockets, receptacles, and adapters for equipment with metric connections

Amphenol Connectors

Amphenol Connectors

Attach wires to a circuit board

Solenoid Valve Connectors

Solenoid Valve Connectors

Sockets and receptacles to connect solenoid components, such as valves and motors

Distribution Blocks

Distribution Blocks

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

Outlet Strips

Plug in multiple devices to power them from a single outlet

Welding Cords

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

Outlet Strip Mounts

Outlet Strip Mounts

Snap in outlet strips for quick mounting on flat surfaces

Wrap Wire

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

Voltage Adapters

Voltage Adapters

Change AC voltage to DC voltage to power a device

Power Supplies

Convert your facility's AC voltage to power equipment that runs on DC voltage

Inverters

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

Bonding and Grounding Reels

Bonding and Grounding Reels

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

Jumper Cable Clamps

Jumper Cable Clamps

Replace clamps on jumper cables

Grounding Wire

Ground current in electrical systems

Grounding Straps

Grounding Straps

Flat shape creates more surface area contact than grounding wire

Cable Support Grips

Cable Support Grips

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

Lightning Rods

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

Development Board Cords

Development Board Cords

Connect your development board to components such as sensors and actuators

Bonding and Grounding Clamps

Bonding and Grounding Clamps

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

Conduit and Fittings

Conduit and Fittings

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

Jumper Cables

Jump-start a dead battery

Circuit Board Cable

Circuit Board Cable

Flat and flexible, connect circuit boards inside electronic devices

Jumper Cords

Ready to connect with a terminal at one or both ends

Battery Cords

Connect batteries to each other

Measuring and Inspecting

Test Lead Wire

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

Test Leads

Pair with electrical testers such as multimeters to analyze your devices

Patch Cords

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

BNC Test Cords

Connect oscilloscopes and other testers to your equipment

Raw Materials

Copper

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

Fastening and Joining

MIG Welding Wire

MIG Welding Wire

Use with MIG welders to fuse metals together

Fluid Handling

Thermocouple Cords

Thermocouple Cords

Extend the reach of thermocouple probes

Heating, Ventilation, and Air Conditioning

Temperature-Controlled Outlet Adapters

Temperature-Controlled Outlet Adapters

Automatically turn heating and cooling devices on and off as temperatures rise and fall

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)