Terminal Connectors | McMaster-Carr

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2,921 Products

Electrical

Terminals, Ferrules, and Lugs

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

1,271 products

Terminal Blocks

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

394 products

Terminal and Splice Kits

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

17 products

Terminal Adapters

Convert wire terminals from one connection type or gender to another

7 products

Electrical Receptacles

Install in a wall or panel to transmit power or data to plugs or sockets

640 products

Terminal Splitters

Divide one male quick-disconnect connection into two

4 products

Circuit Board Terminals

Connect wire to circuit boards

9 products

Distribution Bars

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

31 products

Electrical Cords

Connect equipment and devices to a power supply

10 products

Distribution Blocks

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

47 products

Distribution Posts

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

4 products

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

6 products

Electrical Connector Contacts

Crimp wire into pins and sleeves to create custom Molex or Amphenol connectors

3 products

Jumper Cables

Jump-start a dead battery

12 products

Battery Terminals

Connect cable to battery posts to power vehicles and machines

131 products

Grounding Lugs

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

1 product

Light Switch/Receptacles

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

2 products

Manual Switches

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

2 products

Fastening and Joining

Welding Lugs

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

12 products

Welding Lug Covers

Install over welding lugs to prevent accidental contact with other connections

1 product

Measuring and Inspecting

Load Cell Junction Boxes

Join multiple load cells to combine their weight measurements

2 products