Wire Lugs | McMaster-Carr

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960 Products

Terminals, Ferrules, and Lugs

Compression Lug

Compression Lugs

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

191 products

Tight-Hold Compression Lugs

A secure grip on the wire prevents pullout

2 products

Finish-Your-Own Compression Lugs

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

7 products

Pin Compression Lugs

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

8 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

Ring Terminal

Ring Terminals

Encircle the whole screw to stay put when pulled or vibrated

222 products

Heat-Shrink Ring Terminals

Insulation shrinks when heated to tightly grip and seal the wire

27 products

Tight-Hold Heat-Shrink Ring Terminals

A secure grip on the wire prevents pullout

38 products

Multisize Elongated Ring Terminals

Fit multiple screw sizes so you can keep fewer terminals on hand

12 products

Ring Terminal Assortments

Keep a variety of sizes and materials handy for quick circuit repairs and adjustments

6 products

Vibration-Resistant Internal-Tooth Ring Terminals

Maintain a strong connection through shaking and jolts

22 products

Easy-Insert Ring Terminals

Lay wire into the open barrel instead of threading and poking into a closed barrel

5 products

Heat-Shrink Multisize Elongated Ring Terminals

Heat to shrink the insulation for a tighter grip and seal than other multisize ring terminals

3 products

Twist-Resistant Block Ring Terminals

Fit securely in terminal blocks to resist turning and jostling

5 products

Easy-Insert Ring Terminals for Automated Crimpers

Lay wire into the open barrel and feed into your crimping machine to speed up large jobs

3 products

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

Multi-Angle Set Screw Lugs

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

3 products

Set Screw Lug Assortments for Transformers

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

2 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

Spade Terminal

Spade Terminals

Quickly slide into place without removing the screw

20 products

Twist-Resistant Block Spade Terminals

Fit securely in terminal blocks to resist turning and jostling

26 products

Locking Spade Terminals

The easiest spade terminals to connect—two forks slide past the screw then snap onto the shank

25 products

Flanged Spade Terminals

Resist slipping and falling from control panels and other vertical surfaces

18 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

Welding Lugs

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

13 products

Wire Splices

Connect wires end to end to extend or repair a run

17 products

Battery Terminals

Connect cable to battery posts to power vehicles and machines

68 products

Grounding Lugs

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

1 product

Terminal and Splice Kits

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

16 products

Grounding Blocks

In cabinets and other tight spaces, ground multiple wires at one convenient spot

8 products

Distribution Bars

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

31 products

Grounding Splices

Extend a grounding connection by joining two wires, or connect to an existing ground wire

4 products

Grounding Wire

Ground current in electrical systems

20 products

Grounding Screws

Fasten grounding wires to steel structures, fence posts, and transformers

8 products

Electrical Cords

Connect equipment and devices to a power supply

10 products

Grounding Bars

Create a convenient central grounding point by connecting multiple ground wires

14 products

Grounding Straps

Flat shape creates more surface area contact than grounding wire

10 products