Wire Splices For Solid Wire | McMaster-Carr

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Insulation Piercing

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American Wire Gauge (AWG)

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175° F to 199° F

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250° F to 499° F

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Electrical Connector Component

RoHS

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DFARS Specialty Metals

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175 Products

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Wire Splices, Connectors, and Taps

Butt Splice

Quick-Connect Clamp-On Butt Splices

Quick-Connect Clamp-On Butt Splices

Pop onto wire by hand instead of fussing with crimping tools

Underground Heat-Shrink Set Screw Butt Splices

Underground Heat-Shrink Set Screw Butt Splices

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

Tight-Hold Heat-Shrink Butt Splices

Tight-Hold Heat-Shrink Butt Splices

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

Quick-Connect Push-On Butt Splices

Quick-Connect Push-On Butt Splices

An economical alternative to quick-connect clamp-on splices

Watertight Insulation-Piercing Butt Splices

Watertight Insulation-Piercing Butt Splices

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

Heat-Shrink Crimp-On Butt Splices

Heat-Shrink Crimp-On Butt Splices

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

Tight-Hold Heat-Shrink Butt Splice Assortments

Tight-Hold Heat-Shrink Butt Splice Assortments

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

Crimp-On Butt Splices

Crimp-On Butt Splices

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

Tight-Hold Butt Splices

Tight-Hold Butt Splices

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

Reducing Crimp-On Butt Splices

Reducing Crimp-On Butt Splices

Connect two components with different wire sizes

Tight-Hold Heat-Shrink Reducing Butt Splices

Tight-Hold Heat-Shrink Reducing Butt Splices

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

Watertight Reducing Insulation-Piercing Butt Splices

Watertight Reducing Insulation-Piercing Butt Splices

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

Heat-Shrink Reducing Crimp-On Butt Splices

Heat-Shrink Reducing Crimp-On Butt Splices

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

Wire Connector

Quick-Connect Clamp-On Wire Connectors

Quick-Connect Clamp-On Wire Connectors

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

Crimp-On Wire Connectors

Crimp-On Wire Connectors

Squeeze onto wires for a stronger grip than standard connectors

Quick-Connect Push-On Wire Connectors

Quick-Connect Push-On Wire Connectors

Push wire into place to save time over crimping or twisting

Moisture-Resistant Insulation-Piercing Wire Connectors

Moisture-Resistant Insulation-Piercing Wire Connectors

Filled with gel to repel moisture and prevent corrosion

Quick-Connect Clamp-On Wire Connector Assortments

Quick-Connect Clamp-On Wire Connector Assortments

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

Insulation-Piercing Wire Connectors

Insulation-Piercing Wire Connectors

Bite through insulation to connect wires without stripping them first

Twist-On Wire Connectors

Twist-On Wire Connectors

Twist onto wires without crimping for fast and easy installation

Underground Twist-On Wire Connectors

Underground Twist-On Wire Connectors

Protect underground connections from moisture, corrosion, and stress

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

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

Set Screw Wire Connectors

Set Screw Wire Connectors

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

Moisture-Resistant Twist-On Wire Connectors

Moisture-Resistant Twist-On Wire Connectors

Filled with silicone to repel moisture and prevent corrosion

Quick-Connect Push-On Wire Connector Assortments

Quick-Connect Push-On Wire Connector Assortments

Join two to eight wires without stopping to crimp connectors

Heat-Shrink Crimp-On Wire Connectors

Heat-Shrink Crimp-On Wire Connectors

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

Twist-On Wire Connector Assortments

Twist-On Wire Connector Assortments

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

Wire Tap

Insulation-Piercing Wire Taps

Insulation-Piercing Wire Taps

Bite into an installed wire to power additional lines

Moisture-Resistant Insulation-Piercing Wire Taps

Moisture-Resistant Insulation-Piercing Wire Taps

Filled with gel to repel moisture and prevent corrosion

Easy-Insert Lay-In Wire Taps

Easy-Insert Lay-In Wire Taps

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

Insulation-Piercing Wire Taps for Snap-Plug Terminals

Insulation-Piercing Wire Taps for Snap-Plug Terminals

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

Split-Bolt Splice

Split-Bolt Splices

Split-Bolt Splices

Tighten a hex nut for a strong hold on large wires

Multi-Direction Splice

Multi-Direction Crimp-On Splices

Multi-Direction Crimp-On Splices

Streamline wiring from multiple components into a single circuit

Other Products

Ballast Connectors

Ballast Connectors

Avoid exposure to live wires when replacing fluorescent ballasts

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)