Splices | McMaster-Carr

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Wire Connection Method

Insulation

Number of Wires

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Tap Wire Gauge (AWG)

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Splice Type

Multi-Direction Splice

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Application

System of Measurement

Maximum Temperature

Performance

Voltage

Length

Wire Material

Hose ID

Insulation Color

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RoHS

Compliant with Exemptions

Not Compliant

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

REACH

Compliant

Not Compliant

Export Control Classification Number (ECCN)

2B999

EAR99

DFARS Specialty Metals

1,406 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

Compression Butt Splices

Connect thicker wires than crimp-on butt splices

26 products

Tight-Hold Heat-Shrink Butt Splices

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

9 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

Quick-Connect Clamp-On Butt Splices

Pop onto wire by hand instead of fussing with crimping tools

8 products

Underground Heat-Shrink Set Screw Butt Splices

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

2 products

Reducing Crimp-On Butt Splices

Connect two components with different wire sizes

11 products

Watertight Insulation-Piercing Butt Splices

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

3 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

Reducing Compression Butt Splices

Connect two components with different wire sizes

10 products

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

Splice two wires into one for a tidier setup

4 products

Watertight Set Screw Butt Splices

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

1 product

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

Tight-Hold Butt Splices

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

4 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 Crimp-On Butt Splices

Filled with grease to repel moisture and maintain a strong connection

3 products

Watertight Reducing Insulation-Piercing Butt Splices

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

3 products

Moisture-Resistant Twist-On Butt Splices

Sealed end caps repel moisture to keep wires dry and conductive

4 products

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

Wire Connector

Quick-Connect Clamp-On Wire Connectors

Flip the clamp down on your wire to save time over crimping

15 products

Crimp-On Wire Connectors

Squeeze onto wires for a stronger grip than standard connectors

8 products

Moisture-Resistant Insulation-Piercing Wire Connectors

Filled with gel to repel moisture and prevent corrosion

9 products

Quick-Connect Clamp-On Wire Connector Assortments

Join two, three, or five wires without stopping to crimp connectors

1 product

Twist-On Wire Connectors

Twist onto wires without crimping for fast and easy installation

28 products

Quick-Connect Push-On Wire Connectors

Push wire into place to save time over crimping or twisting

22 products

Insulation-Piercing Wire Connectors

Bite through insulation to connect wires without stripping them first

3 products

Tight-Hold Heat-Shrink Wire Connectors

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

3 products

Heat-Shrink Crimp-On Wire Connectors

Shrink when heated for a stronger grip than standard crimp-on connectors

2 products

Moisture-Resistant Twist-On Wire Connectors

Filled with silicone to repel moisture and prevent corrosion

9 products

Quick-Connect Push-On Wire Connector Assortments

Join two to eight wires without stopping to crimp connectors

2 products

Underground Twist-On Wire Connectors

Protect underground connections from moisture, corrosion, and stress

1 product

Twist-On Wire Connector Assortments

Bring a range of sizes to the job and twist them onto wires without crimping tools

1 product

Twist-On Wire Connector and Insulation-Piercing Wire Tap Assortments

Twist connectors onto wire ends or pierce insulation with a tap to create a new circuit

1 product

Set Screw Wire Connectors

Tighten the set screw into the metal barrel for a firm grip on the wire

3 products

Split-Bolt Splice

Split-Bolt Splices

Tighten a hex nut for a strong hold on large wires

17 products

Wire Tap

Insulation-Piercing Wire Taps

Bite into an installed wire to power additional lines

8 products

Insulation-Piercing Wire Taps for Snap-Plug Terminals

Pop snap plugs in and out to restore or break connections without rewiring

2 products

Easy-Insert Lay-In Wire Taps

Lay wire into your tap on the first try instead of poking and threading

6 products

Moisture-Resistant Insulation-Piercing Wire Taps

Filled with gel to repel moisture and prevent corrosion

2 products

Insulation-Piercing Wire Taps for Quick-Disconnect Terminals

Pop quick-disconnect terminals in and out to restore or break connections without rewiring

3 products

Twist-On Insulation-Piercing Wire Taps

Twist the cap for a tighter grip on the wire than other taps

5 products

Twist-On Insulation-Piercing Wire Tap Assortments

Keep a variety of sizes on hand to tap any wiring in your facility

1 product

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

8 products

Other Products

Hose Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

505 products

Terminal and Splice Kits

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

17 products

Wire Splice Covers

Seal out dust and moisture to protect electrical connectors

3 products

Conveyor Belt Lacing

Join conveyor belt ends with a strong, reliable connection; easier to install than endless belts

369 products

Grounding Splices

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

4 products

Conveyor Belt Lacing Pins

Insert and lock in place to connect belt lacing ends

79 products

Marlin Spikes

Fray rope ends for splicing and to attach fittings

7 products

Conveyor Belt Lacers

Install conveyor belt lacing

31 products

Belt Joining Kits

Everything you need to soften belt ends and join them together

12 products

Hose Crimpers

Crimp ferrules onto hose to secure fittings

2 products

Conveyor Belt Lacing Templates

Guide hole-punching and belt-cutting when installing bolt-on lacing

9 products

V-Belt Connectors

Join ends of adjustable-length V-belting

4 products

Round Belt Connectors

Fasten the ends of round belts together

27 products

Round Belts

Flexible to send rotary power between unparallel shafts

11 products

Conveyor Belt Lacing Clips

Hold belt lacing in place during installation

4 products