Breaker Lugs | McMaster-Carr

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320 Products

Terminals, Ferrules, and Lugs

Compression Lug

Compression Lugs

Squeeze onto the wire for a permanent, vibration-resistant connection

191 products

Heavy Duty Compression Lugs

A thicker body dissipates more heat from high electrical loads

8 products

Slotted Compression Lugs

Install screws at various points along the slot when screw spacing is uncertain or inconsistent

8 products

Finish-Your-Own Compression Lugs

Drill holes where you need them for whatever screw sizes work best

7 products

Tight-Hold Compression Lugs

A secure grip on the wire prevents pullout

2 products

Pin Compression Lugs

Turn flexible, stranded wire into one rigid wire for easy insertion

8 products

Set Screw Lug

Set Screw Lugs

Quickly attach large wire without using a compression tool

43 products

Offset Set Screw Lugs

Extend vertically for easier wire insertion or adjustment

15 products

Stacked Set Screw Lugs

Connect multiple wires to a single lug

6 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

Set Screw Lug Assortments for Transformers

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

2 products

Lay-In Lug

Easy-Insert Lay-In Lugs

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

3 products

Box Lug

Box Lugs

Slide onto grounding or neutral bars in electrical panels

3 products

Other Products

Welding Lugs

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

13 products