Terminal Connectors | McMaster-Carr

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2,921 Products

Electrical

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

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

Terminal and Splice Kits

Terminal and Splice Kits

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

Terminal Adapters

Terminal Adapters

Convert wire terminals from one connection type or gender to another

Electrical Receptacles

Electrical Receptacles

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

Distribution Bars

Distribution Bars

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

Circuit Board Terminals

Circuit Board Terminals

Connect wire to circuit boards

Terminal Splitters

Terminal Splitters

Divide one male quick-disconnect connection into two

Electrical Cords

Electrical Cords

Connect equipment and devices to a power supply

Distribution Blocks

Distribution Blocks

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

Distribution Posts

Distribution Posts

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

Electrical Plugs

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

Jumper Cables

Jump-start a dead battery

Electrical Connector Contacts

Electrical Connector Contacts

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

Grounding Lugs

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

Battery Terminals

Battery Terminals

Connect cable to battery posts to power vehicles and machines

Light Switch/Receptacles

Light Switch/Receptacles

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

Manual Switches

Manual Switches

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

Fastening and Joining

Welding Lugs

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

Welding Lug Covers

Welding Lug Covers

Install over welding lugs to prevent accidental contact with other connections

Measuring and Inspecting

Load Cell Junction Boxes

Load Cell Junction Boxes

Join multiple load cells to combine their weight measurements

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