Scotch Locks | McMaster-Carr

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Insulation Piercing

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129 Products

Wire Splices, Connectors, and Taps

Wire Connector

Moisture-Resistant Insulation-Piercing Wire Connectors

Moisture-Resistant Insulation-Piercing Wire Connectors

Filled with gel to repel moisture and prevent corrosion

Insulation-Piercing Wire Connectors

Insulation-Piercing Wire Connectors

Bite through insulation to connect wires without stripping them first

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

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

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

Twist-On Insulation-Piercing Wire Taps

Twist-On Insulation-Piercing Wire Taps

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

Insulation-Piercing Wire Taps for Quick-Disconnect Terminals

Insulation-Piercing Wire Taps for Quick-Disconnect Terminals

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

Twist-On Insulation-Piercing Wire Tap Assortments

Twist-On Insulation-Piercing Wire Tap Assortments

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

Butt Splice

Watertight Insulation-Piercing Butt Splices

Watertight Insulation-Piercing Butt Splices

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

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

Other Products

Circuit Breakers

Circuit Breakers

Reusable way to interrupt circuits when they overload or short

Electrical Plugs

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

Electrical Sockets

Electrical Sockets

Pair with plugs or receptacles to transmit power or data

Light Switches

Manually turn lights on and off

Electrical Adapters

Electrical Adapters

Change electrical connectors to another type, size, or gender

Electrical Receptacles

Electrical Receptacles

Install in a wall or panel to transmit power or data to plugs or sockets

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