Butt Splice Terminals | McMaster-Carr

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250 Products

Wire Splices, Connectors, and Taps

Butt Splice

Crimp-On Butt Splices

Connect wires end to end to extend a run or repair a line

20 products

Tight-Hold Heat-Shrink Butt Splices

Solder stiffens and secures the wire through the heaviest vibrations and sharpest tugs

9 products

Compression Butt Splices

Connect thicker wires than crimp-on butt splices

26 products

Heat-Shrink Crimp-On Butt Splices

Insulation shrinks when heated for a tighter grip than standard butt splices

8 products

Set Screw Butt Splices

Connect thicker wires than crimp-on butt splices

11 products

Reducing Crimp-On Butt Splices

Connect two components with different wire sizes

11 products

Tight-Hold Heat-Shrink Reducing Butt Splices

Join two sizes of wire and heat the splice to strengthen the connection with solder

4 products

Heat-Shrink Reducing Crimp-On Butt Splices

A step up in strength and strain relief over standard butt splices

8 products

Reducing Compression Butt Splices

Connect two components with different wire sizes

10 products

Tight-Hold Butt Splices

Solder stiffens and strengthens the wire so it won't fray when vibrated

4 products

Underground Heat-Shrink Set Screw Butt Splices

Enclosed in durable plastic tubing so you can bury in rocky soil

2 products

Moisture-Resistant Crimp-On Butt Splices

Filled with grease to repel moisture and maintain a strong connection

3 products

Heat-Shrink 2-to-1 Wire Crimp-On Butt Splices

Splice two wires into one for a tidier setup

4 products

Quick-Connect Clamp-On Butt Splices

Pop onto wire by hand instead of fussing with crimping tools

8 products

Watertight Insulation-Piercing Butt Splices

Gel seals off the wire so it stays completely dry and conductive

3 products

Twist-On Butt Splices

Insert wires and twist on the caps to lock wires in place when vibrated and pulled

5 products

Quick-Connect Push-On Butt Splices

An economical alternative to quick-connect clamp-on splices

1 product

Moisture-Resistant Twist-On Butt Splices

Sealed end caps repel moisture to keep wires dry and conductive

4 products

Watertight Reducing Insulation-Piercing Butt Splices

Join two wires of different sizes while keeping the connection dry and conductive

3 products

Watertight Set Screw Butt Splices

End caps seal off the wire so it stays completely dry and conductive

2 products

Tight-Hold Heat-Shrink Butt Splice Assortments

Keep multiple sizes on hand and heat the splice to strengthen the connection with solder

1 product

Twist-On Butt Splice Assortments

Bring multiple sizes to a job and leave the installation tools behind

2 products

Wire Tap/Connector

Wire Tap/Connectors

Tap or join larger wires than standard wire taps and connectors

65 products

Underground Wire Tap/Connectors

Double O-rings and EPDM insulation withstand moisture and stress underground

5 products

Multi-Direction Splice

Multi-Direction Heat-Shrink Crimp-On Splices

A step up in strength and strain relief over standard multi-direction splices

3 products

Multi-Direction Crimp-On Splices

Streamline wiring from multiple components into a single circuit

10 products

Other Products

Terminal and Splice Kits

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

17 products

Fastener Assortments

Keep a variety of common screws, nuts, and washers on hand

1 product