Electrical Terminals | McMaster-Carr

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2,731 Products

Electrical

Terminals, Ferrules, and Lugs

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

1,269 products

Wire Splices, Connectors, and Taps

Join wire and protect the connection

371 products

Wire Splice Covers

Seal out dust and moisture to protect electrical connectors

3 products

Terminal Blocks

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

699 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

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 Cords

Connect equipment and devices to a power supply

41 products

Terminal Splitters

Divide one male quick-disconnect connection into two

4 products

Circuit Board Terminals

Connect wire to circuit boards

9 products

Electrical Connector Contacts

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

3 products

Distribution Blocks

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

47 products

Electrical Sockets

Pair with plugs or receptacles to transmit power or data

3 products

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

6 products

Grounding Lugs

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

1 product

Battery Terminals

Connect cable to battery posts to power vehicles and machines

131 products

Battery Terminal Adapters

Convert one battery terminal style to another

6 products

Battery Terminal Fasteners

Replace bolts in battery terminals

3 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

13 products

Snap-In Nuts

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

2 products

Lighting

Light Bulbs

Standard household, miniature, compact, tubular, ultraviolet, infrared, and blacklight bulbs

26 products

Measuring and Inspecting

Load Cell Junction Boxes

Join multiple load cells to combine their weight measurements

2 products