Screw Terminals | McMaster-Carr

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1,589 Products

Electrical Power, Networking, and Controlling

Terminal Blocks

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

511 products

Terminals, Ferrules, and Lugs

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

834 products

Power Connectors

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

2 products

Distribution Bars

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

23 products

Wire Splices, Connectors, and Taps

Join wire and protect the connection

167 products

Distribution Blocks

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

33 products

Distribution Posts

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

2 products

Grounding Lugs

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

1 product

Jumper Cords

Ready to connect with a terminal at one or both ends

3 products

Fastening and Joining

Welding Lugs

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

12 products

Measuring and Inspecting

Load Cell Junction Boxes

Join multiple load cells to combine their weight measurements

2 products