Electrical Wire Connectors | McMaster-Carr

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14,160 Products

Most Likely Products

Wire Splices, Connectors, and Taps

Wire Splices, Connectors, and Taps

Join wire and protect the connection

Terminals, Ferrules, and Lugs

Terminals, Ferrules, and Lugs

Attach to the end of wire to connect circuits in control panels, motors, and machinery

Power Connectors

Power Connectors

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

Terminal Blocks

Terminal Blocks

Create tidy rows of wire connections that you can identify, test, and adjust on the spot

All Results

Electrical

Wire Splices, Connectors, and Taps

Wire Splices, Connectors, and Taps

Join wire and protect the connection

Wire Splice Covers

Wire Splice Covers

Seal out dust and moisture to protect electrical connectors

Power Connectors

Power Connectors

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

Molex Connectors

Molex Connectors

Plugs, sockets, and housings for making Molex connections

Amphenol Connectors

Amphenol Connectors

Attach wires to a circuit board

AMP Connectors

Build-your-own and ready-to-use AMP connectors

Mil. Spec. Connectors

Mil. Spec. Connectors

Meet strict military standards or are compatible with Mil. Spec. connectors

Mini Connectors

Mini Connectors

Plugs, sockets, and receptacles send power and signal to equipment and automated systems

Metric Circular Connectors

Metric Circular Connectors

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

Latching Connectors

Latching Connectors

Protect connections in wet or harsh environments while keeping them accessible

Micro 360 Connectors

Micro 360 Connectors

Plugs and sockets to make signal and data connections in tight spaces

Ecomate Connectors

Ecomate Connectors

Connect machine tools, robots, and other vibrating equipment

Audio Connectors

Audio Connectors

Plugs, sockets, receptacles, and adapters to make audio connections

USB Connectors

Plugs, sockets, and receptacles to make USB connections

Coaxial Connectors

Coaxial Connectors

Plugs, sockets, and receptacles to make coaxial connections

CB Radio Connectors

CB Radio Connectors

Sockets and receptacles to connect CB radios

DisplayPort Connectors

DisplayPort Connectors

Connect two DisplayPort cords of the same gender and connection type

USB Chargers

Power up mobile devices and other electronics

RJ45 Connectors

RJ45 Connectors

Plugs, sockets, and receptacles to make Ethernet connections

Video Adapters

Convert from one video connection to another

Ballast Connectors

Ballast Connectors

Avoid exposure to live wires when replacing fluorescent ballasts

ix Industrial Sockets

ix Industrial Sockets

Pair with plugs to add ix Industrial connections to printed circuit boards

Welding Cable Connectors

Welding Cable Connectors

Plugs and sockets to deliver power to welding cable

USB Extenders

Increase the reach of USB devices with a transmitter and receiver

Circuit Board Connectors

Circuit Board Connectors

Connect flat flexible cable to circuit boards

Fiber-Optic Connectors

Fiber-Optic Connectors

Join fiber-optic cords that have the same gender and connection type

Breakaway Connectors

Breakaway Connectors

If pulled or stressed, these disconnect without damaging cables and equipment

Sure Seal Connectors

Sure Seal Connectors

A PVC housing keeps out liquids and dust and resists chemicals

DMX Connectors

Replace damaged plugs and sockets on lighting cables

D-Sub Connectors

D-Sub Connectors

Plugs, sockets, and receptacles for connecting computers, monitors, and printers

Han Connectors

Stackable plugs and sockets to make Han connections

Solenoid Valve Connectors

Solenoid Valve Connectors

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

HDMI Adapters

Convert one HDMI size or style to another

Terminals, Ferrules, and Lugs

Terminals, Ferrules, and Lugs

Attach to the end of wire to connect circuits in control panels, motors, and machinery

Terminal Blocks

Terminal Blocks

Create tidy rows of wire connections that you can identify, test, and adjust on the spot

Lead Wire

Make connections for low-power and control applications in appliances, panels, and other equipment

Power Cords

Connect equipment and devices to a power source

Ethernet Cords

Send data between computers, printers, servers, and switches

Power Cable

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

Metric Circular Cords

Metric Circular Cords

Send power and signal to equipment with metric connections

Extension Cord Locks

Extension Cord Locks

Cover mated connectors on extension cords to prevent disconnection

Control Cable

Send signals to control machinery and automated systems

Welding Cable

Resist abrasion while carrying current for welding

USB Cord Locks

Keep your USB cord from shaking loose or being yanked out

Jumper Cables

Jump-start a dead battery

Fiber-Optic Cable

Fiber-Optic Cable

Transmit signals between data centers and workstations in fiber-optic networks

Building Cable

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

Ribbon Cable

Ultra flexible to connect components inside electronics

Servo Cable

Connect servocontrollers and servomotors in automated equipment and on assembly lines

CAN-Bus Cable

Connect devices in CAN-Bus communication networks

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

Outdoor Lighting Cable

Outdoor Lighting Cable

Power low-voltage lighting equipment, such as landscape lighting

Fieldbus Cable

Connect devices in Fieldbus communication networks

Speaker Cable

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

DeviceNet Cable

DeviceNet Cable

Connect devices in DeviceNet communication networks

Modbus Cable

Connect devices in Modbus communication networks

Fire Alarm Cable

Fire Alarm Cable

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

Thermostat Cable

Thermostat Cable

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

Security Cable

Connect low-current security and intercom systems

Coaxial Cable

Transmit audio, data, and video signals

Ethernet Cable

Send data between computers, printers, servers, and switches

Submersible Pump Cable

Submersible Pump Cable

Supply power to submersible pumps in water or oil wells

Profinet Cable

Connect devices in Profinet communication networks

Vehicle Cable

Make multiple connections in low-voltage vehicle wiring systems

Circuit Board Cable

Circuit Board Cable

Flat and flexible, connect circuit boards inside electronic devices

Telephone Cable

Telephone Cable

Connect telephones and telephone blocks to a wall jack

Profibus Cable

Connect devices in Profibus communication networks

Pendant Cable

Supply power from an overhead source

Breakaway Cords

Breakaway Cords

Disconnect if pulled to prevent stress on cord

Mitutoyo Cords

Connect your measuring tool to miniprocessors, multiplexers, or PCs

Solenoid Valve Cords

Solenoid Valve Cords

Connect solenoid components, such as valves and motors

Fiber-Optic Cords

Fiber-Optic Cords

Connect computers, servers, and switches in a fiber-optic network

Video Adapter Cords

Video Adapter Cords

Send video between devices with different connections

Audio Cords

Hook up speakers to an audio signal

Thunderbolt Cords

Thunderbolt Cords

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

DMX Cords

Connect to lighting equipment with five-pin XLR connections

Profibus Cords

Transmit data in automation systems and other networks

Jumper Cords

Ready to connect with a terminal at one or both ends

Coaxial Cords

Transmit audio, video, and data with minimal signal loss

Sensor Signal Adapter Cords

Sensor Signal Adapter Cords

Send data between sensors and receivers that have different signal types

DisplayPort Cords

DisplayPort Cords

Send video from computers to monitors and other displays

Mini Cords

Often used to send power and signal to automated systems, motors, and pumps

Robot Controller Cords

Robot Controller Cords

Extend the distance between a robot arm and a controller

Battery Cords

Connect batteries to each other

D-Sub Cords

Connect computers, monitors, printers, and other devices with DB connections

USB Cords

Transfer data between computers, printers, and mobile devices

HDMI Cords

Send high-definition signals to monitors, TVs, and projectors

ix Industrial Cords

ix Industrial Cords

Send data or signals between equipment, such as a servomotor and encoder

Extension Cords

Extension Cords

Extend the reach of power from an outlet

Robot Teach Pendant Cords

Robot Teach Pendant Cords

Connect robot controllers and teach pendants

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

Ethernet Cord Reels

Ethernet Cord Reels

Keep an ethernet cord on hand but out of the way

Building Wire

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

Battery Wire

Transmit power from batteries in vehicles, generators, and appliances

Vehicle Wire

Make connections in low-voltage vehicle wiring systems

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

Power Cord Reels

Power Cord Reels

Neatly store power cords for easy access

Terminal Adapters

Terminal Adapters

Convert wire terminals from one connection type or gender to another

Electrical Connector Boots

Electrical Connector Boots

Protect connectors and cords from strain, bends, and pulls

Terminal and Splice Kits

Terminal and Splice Kits

Maintain a supply of extra terminals and splices to join and terminate wire

Patch Panels

Expand and reconfigure a data network when space inside your enclosure is limited

Electrical Connector Caps

Electrical Connector Caps

Protect data connectors when not in use

Distribution Blocks

Distribution Blocks

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

Distribution Bars

Distribution Bars

Route electricity within switchboards and battery banks; also known as bus bars

Electrical Connector Holding Tools

Electrical Connector Holding Tools

Hold electrical connectors in place to safely join wires

Outlet Strips

Plug in multiple devices to power them from a single outlet

Terminal Splitters

Terminal Splitters

Divide one male quick-disconnect connection into two

Electrical Connector Clips

Electrical Connector Clips

Attach to data connectors to lock them in place, repair them, or color code them

Distribution Posts

Distribution Posts

Send power from one source to several devices in a circuit in less space than a distribution block

Electrical Connector Seals

Electrical Connector Seals

Add to the front or back of connectors to block out dust, debris, and weather

Circuit Board Terminals

Circuit Board Terminals

Connect wire to circuit boards

Slip Rings

Maintain an electrical link between a moving part and a stationary part

Electrical Connector Thread Adapters

Electrical Connector Thread Adapters

Join two connectors that both have internal threads

Wrap Wire

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

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

Conduit Box Connectors

Conduit Box Connectors

Attach conduit to a knockout in electrical boxes

Conduit-to-Conduit Connectors

Conduit-to-Conduit Connectors

Join pieces of conduit

Conduit

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

Conduit Locknuts

Conduit Locknuts

Secure threaded conduit fittings to knockouts in electrical boxes

Conduit Bodies

Access wiring to pull, splice, or redirect it

Conduit Support Clips

Conduit Support Clips

Mount flexible plastic conduit to walls and machines

Conduit Bumpers

Conduit Bumpers

Shield sections of flexible conduit from impact to prevent wear

Conduit Knockout Reducers

Conduit Knockout Reducers

Shrink knockout sizes in electrical boxes to connect smaller conduit

Conduit Bushings

Conduit Bushings

Guard wiring from sharp edges at the ends of conduit

EMI/RFI Suppressing Clips

EMI/RFI Suppressing Clips

Shield cable from EMI and RFI that can distort signals; also known as ferrite beads

Cable Entry Panels

Cable Entry Panels

Pass multiple cords into an enclosure while sealing out moisture, dust, and other contaminants

Outlet Boxes

House electrical components such as on-off switches, receptacles, and dimmer knobs

Weatherheads

Bring power into buildings and protect the entry point from rain and snow

Heat-Shrink Tubing

Heat-Shrink Tubing

Apply heat to seal and insulate electrical wiring and connections

Battery Chargers

Battery Chargers

Charge everything from large-cell to cordless tool to household batteries

Battery Terminal Fasteners

Battery Terminal Fasteners

Replace bolts in battery terminals

Battery Terminal Adapters

Battery Terminal Adapters

Convert one battery terminal style to another

Battery Connectors

Battery Connectors

Quickly make and break connections between a battery and a charger or equipment

Battery Terminals

Battery Terminals

Connect cable to battery posts to power vehicles and machines

Battery Holders

Battery Holders

Create an electrical connection between batteries and contacts to power equipment

Grounding Lugs

Create a common grounding path for internal components and circuits, as well as the enclosure body

Manual Switches

Manual Switches

Everything from toggle, push-button, and rocker switches to foot switches

Measuring and Inspecting

Power Consumption Meters

Power Consumption Meters

Measure the amount of power your devices consume to help calculate energy costs

Load Cell Junction Boxes

Load Cell Junction Boxes

Join multiple load cells to combine their weight measurements

Fastening and Joining

Welding Lugs

Screw, hammer, or crimp on to secure welding cable connections

Snap-In Nuts

Push into square holes in thin materials to add bolts for aligning off-center parts

Building and Machinery Hardware

Grommets

Protect wire, cable, and cords from holes with sharp or rough edges

Vibration-Damping Mounts

Vibration-Damping Mounts

Attach to machinery to reduce vibration and noise and extend service life

Strut Channel Conduit Connection Plates

Strut Channel Conduit Connection Plates

Convert strut channel into a raceway for electrical wiring

Material Handling

Vacuum Lifters

Grip and move objects with air- or electric-powered suction

Lighting

Light Switch/Receptacles

Light Switch/Receptacles

Combine a switch and receptacle into a single outlet box for a small footprint

Fiber-Optic Flashlight Cable

Fiber-Optic Flashlight Cable

Shine light into hard-to-reach spaces by attaching to your flashlight

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