Set Screw Terminals | McMaster-Carr

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193 Products

Terminals, Ferrules, and Lugs

Set Screw Lug

Set Screw Lugs

Quickly attach large wire without using a compression tool

43 products

Stacked Set Screw Lugs

Connect multiple wires to a single lug

6 products

Offset Set Screw Lugs

Extend vertically for easier wire insertion or adjustment

15 products

Set Screw Lug Assortments for Transformers

Set screw lugs, nuts, and bolts needed for several transformer types

2 products

Multi-Angle Set Screw Lugs

Attachment points at several angles allow wire to thread past nearby obstructions

3 products

Tamper-Resistant Set Screw Lugs

Shear the screw heads off so your connection can’t be removed or altered

8 products

Box Lug

Box Lugs

Slide onto grounding or neutral bars in electrical panels

3 products

Lay-In Lug

Easy-Insert Lay-In Lugs

Lay the stripped wire into the lug to attach to continuous runs

3 products

Other Products

Wire Splices, Connectors, and Taps

Join wire and protect the connection

87 products

Terminal Blocks

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

23 products