Multi-Wire Connectors | McMaster-Carr

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3,717 Products

Electrical

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

592 products

Wire Splices

Join wire and protect the connection

359 products

Wire Splice Covers

Seal out dust and moisture to protect electrical connectors

3 products

Terminal Blocks

Mate with terminals to complete circuits in control panels, motors, and small machines

394 products

Electrical Cords

Connect equipment and devices to a power supply

942 products

Electrical Sockets

Pair with plugs or receptacles to transmit power or data

301 products

Development Board Cords

Connect your development board to components such as sensors and actuators

7 products

Distribution Blocks

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

47 products

Patch Panels

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

1 product

Electrical Adapters

Change electrical connectors to another type, size, or gender

292 products

Electrical Connector Holding Tools

Hold electrical connectors in place to safely join wires

1 product

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

48 products

Split-Bolt Connectors

Splice large wire sizes without special tools

17 products

Binding Posts

Test circuits before making permanent connections

12 products

Data Connection Hubs

Add USB, DisplayPort, or HDMI ports to your computer to connect multiple device

3 products

Distribution Bars

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

31 products

Distribution Posts

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

4 products

Electrical Connector Boots

Protect connectors and cords from strain, bends, and pulls

2 products

Battery Connectors

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

43 products

Programmable Logic Controller Communication Modules

Connect and communicate simultaneously with multiple automation devices

12 products

Programmable Logic Controller Expansion Modules

Increase the number of inputs and outputs for your PLC

12 products

IO Link Connectors

Remotely view measurements, adjust settings, and identify errors in sensors and actuators

24 products

Grounding Blocks

In cabinets and other tight spaces, ground multiple wires at one convenient spot

8 products

Grounding Splices

Extend a grounding connection by joining two wires, or connect to an existing ground wire

4 products

Grounding Bars

Create a convenient central grounding point by connecting multiple ground wires

14 products

Measuring and Inspecting

Load Cell Junction Boxes

Join multiple load cells to combine their weight measurements

2 products

Fastening and Joining

Welding Lugs

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

1 product