Cord Connectors | McMaster-Carr

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1" Circular Connector

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14,053 Products

Electrical Power, Networking, and Controlling

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

1,175 products

Conduit and Fittings

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

1,361 products

Cable Entry Panels

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

128 products

Outlet Boxes

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

39 products

Weatherheads

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

10 products

Conduit Support Clips

Mount flexible plastic conduit to walls and machines

8 products

Heat-Shrink Tubing

Apply heat to seal and insulate electrical wiring and connections

3 products

Power Connectors

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

1,544 products

Mil. Spec. Connectors

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

154 products

Mini Connectors

Plugs, sockets, and receptacles send power and control signals to equipment and automated systems

78 products

Metric Circular Connectors

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

292 products

Latching Connectors

Protect connections in wet or harsh environments while keeping them accessible

173 products

Sure Seal Connectors

A PVC housing keeps out liquids and dust and resists chemicals

6 products

Solenoid Valve Connectors

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

20 products

USB Connectors

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

71 products

RJ45 Connector Repair Clips

Snap onto broken Ethernet plugs to restore their ability to make secure connections

1 product

CB Radio Connectors

Sockets and receptacles to connect CB radios

2 products

Ecomate Connectors

Connect machine tools, robots, and other vibrating equipment

14 products

RJ45 Connectors

Plugs, sockets, and receptacles to make Ethernet connections

85 products

Molex Connectors

Plugs, sockets, and housings for making Molex connections

165 products

Strain-Relief Connector Boots

Protect connectors and cords from strain, bends, and pulls

2 products

Audio Connectors

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

26 products

Coaxial Connectors

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

58 products

DisplayPort Connectors

Connect two DisplayPort cords of the same gender and connection type

1 product

Video Adapters

Convert from one video connection to another

7 products

Ballast Connectors

Avoid exposure to live wires when replacing fluorescent ballasts

2 products

ix Industrial Sockets

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

6 products

AMP Connectors

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

80 products

Fiber-Optic Connectors

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

10 products

Breakaway Connectors

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

3 products

DMX Connectors

Replace damaged plugs and sockets on lighting cables

2 products

Micro 360 Connectors

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

20 products

Amphenol Connectors

Attach wires to a circuit board

32 products

D-Sub Connectors

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

138 products

Han Connectors

Plugs and sockets to make Han connections

8 products

HDMI Adapters

Convert one HDMI size or style to another

11 products

RJ45 Connector Security Clips

Lock Ethernet cords in place to prevent unauthorized removal from ports

3 products

Wire Splices, Connectors, and Taps

Join wire and protect the connection

378 products

Power Cable

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

309 products

Extension Cord Locks

Cover mated connectors on extension cords to prevent disconnection

3 products

Power Cords

Connect equipment and devices to a power source

263 products

Building Wire

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

42 products

Lead Wire

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

320 products

Extension Cords

Extend the reach of power from an outlet

387 products

Metric Circular Cords

Send power and signal to equipment with metric connections

474 products

DisplayPort Cords

Send video from computers to monitors and other displays

26 products

Control Cable

Send signals to control machinery and automated systems

589 products

Coaxial Cable

Transmit audio, data, and video signals

8 products

Ethernet Cords

Send data between computers, printers, servers, and switches

308 products

Video Adapter Cords

Send video between devices with different connections

8 products

Mini Cords

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

207 products

D-Sub Cords

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

199 products

Fiber-Optic Cable

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

12 products

Building Cable

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

36 products

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

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

Outdoor Lighting Cable

Power low-voltage lighting equipment, such as landscape lighting

3 products

Fieldbus Cable

Connect devices in Fieldbus communication networks

1 product

Speaker Cable

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

4 products

DeviceNet Cable

Connect devices in DeviceNet communication networks

4 products

Modbus Cable

Connect devices in Modbus communication networks

2 products

Fire Alarm Cable

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

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

Ethernet Cable

Send data between computers, printers, servers, and switches

20 products

Submersible Pump Cable

Supply power to submersible pumps in water or oil wells

2 products

Profinet Cable

Connect devices in Profinet communication networks

2 products

Vehicle Cable

Make multiple connections in low-voltage vehicle wiring systems

12 products

Telephone Cable

Connect telephones and telephone blocks to a wall jack

6 products

Profibus Cable

Connect devices in Profibus communication networks

3 products

Pendant Cable

Supply power from an overhead source

8 products

Breakaway Cords

Disconnect if pulled to prevent stress on cord

6 products

Mitutoyo Cords

Connect your measuring tool to miniprocessors, multiplexers, or PCs

22 products

Solenoid Valve Cords

Connect solenoid components, such as valves and motors

59 products

Fiber-Optic Cords

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

34 products

Audio Cords

Hook up speakers to an audio signal

13 products

Thunderbolt Cords

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

2 products

DMX Cords

Connect to lighting equipment with five-pin XLR connections

3 products

Profibus Cords

Transmit data in automation systems and other networks

4 products

Coaxial Cords

Transmit audio, video, and data with minimal signal loss

70 products

Sensor Signal Adapter Cords

Send data between sensors and receivers that have different signal types

2 products

Robot Controller Cords

Extend the distance between a robot arm and a controller

3 products

USB Cords

Transfer data between computers, printers, and mobile devices

254 products

HDMI Cords

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

21 products

ix Industrial Cords

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

6 products

Robot Teach Pendant Cords

Connect robot controllers and teach pendants

25 products

Robot Teach Pendant Cord Reels

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

12 products

Circuit Board Cords

Short lengths of terminated wire make temporary connections on circuit boards

24 products

Ethernet Cord Reels

Keep an ethernet cord on hand but out of the way

1 product

Battery Wire

Transmit power from batteries in vehicles, generators, and appliances

27 products

Vehicle Wire

Make connections in low-voltage vehicle wiring systems

112 products

Magnet Wire

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

26 products

Thermocouple Wire

Connect thermocouples to switches, controllers, recorders, and thermometers

64 products

RTD Wire

Connect RTD sensors to measurement and control devices

6 products

USB Cord Locks

Keep your USB cord from shaking loose or being yanked out

2 products

Extension Cord Reels

Keep extension cords easy to access without creating a tripping hazard

94 products

Terminal and Splice Kits

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

17 products

Terminals, Ferrules, and Lugs

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

1,268 products

Electrical Connector Caps

Protect data connectors when not in use

78 products

Terminal Blocks

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

699 products

Welding Cable Connectors

Plugs and sockets to deliver power to welding cable

13 products

Patch Panels

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

1 product

Wire Splice Covers

Seal out dust and moisture to protect electrical connectors

3 products

Distribution Blocks

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

47 products

Wall Plates

Cover switches and outlets for a finished look or to close them off when not in use

34 products

Distribution Posts

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

4 products

Outlet Strips

Plug in multiple devices to power them from a single outlet

113 products

Telephone Wiring Blocks

Keep telephone cable organized and accessible

2 products

Welding Cable

Resist abrasion while carrying current for welding

28 products

USB Chargers

Power up mobile devices and other electronics

21 products

USB Extenders

Increase the reach of USB devices with a transmitter and receiver

3 products

Wrap Wire

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

11 products

Grounding Lugs

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

1 product

Ribbon Switch Termination Kits

Pair with your cut-to-length ribbon switch for a complete system

2 products

Grounding Clamps

Attach grounding wire to equipment to ground electrical current

6 products

Circuit Board Terminals

Connect wire to circuit boards

9 products

EMI/RFI Suppressing Clips

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

64 products

Circuit Board Cable

Flat and flexible, connect circuit boards inside electronic devices

20 products

Circuit Board Connectors

Connect flat flexible cable to circuit boards

10 products

Battery Terminal Adapters

Convert one battery terminal style to another

6 products

Power Supplies

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

5 products

Battery Connectors

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

43 products

Battery Chargers

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

54 products

Jumper Cables

Jump-start a dead battery

12 products

Battery Terminals

Connect cable to battery posts to power vehicles and machines

131 products

Jumper Cords

Ready to connect with a terminal at one or both ends

10 products

Battery Cords

Connect batteries to each other

31 products

Building and Machinery Hardware

Grommets

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

740 products

Strut Channel Conduit Connection Plates

Convert strut channel into a raceway for electrical wiring

4 products

Fastening and Joining

Snap-In Nuts

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

1 product

Welding Lugs

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

13 products

Measuring and Inspecting

Load Cell Junction Boxes

Join multiple load cells to combine their weight measurements

2 products

Material Handling

Vacuum Lifters

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

5 products

Lighting

Light Switch/Receptacles

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

3 products

Fiber-Optic Flashlight Cable

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

1 product

Heating, Ventilation, and Air Conditioning

Temperature-Controlled Outlet Adapters

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

3 products

Communication

Telephone Connectors

Replace the plug on your phone cord, or extend your line by connecting cords together

12 products

Telephone Splitters

Connect multiple phone lines to a single telephone jack

4 products

Telephone Cords

Connect telephones to data outlets

9 products