Product family

Terminals & Connectors

Connections for electrical, automotive and industrial applications.

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Find the right connection component.

Standard package: 100 pieces for 22–18, 16–14 and 12–10 AWG terminals and connectors. Standard package: 25 pieces for larger 8 AWG through 4/0 AWG sizes.

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Terminal families (7)

Heat Shrink Terminals and ConnectorsEnvironmentally sealed connections that protect wire from moisture, salt, corrosion and abrasion.3M solderless terminals and connectorsDouble crimp, single crimp, bare brazed, NSC nylon single crimp, ML Multi-Lock, IDC, T-Taps and MRB moisture-resistant connectors.Perma-Seal terminalsSealed splice terminals for dependable moisture-resistant wire repairs.Molex connectorsMolex connector housings, terminals and sealed connector components.High-temperature terminalsHeat-resistant terminals for electrical connections exposed to elevated operating temperatures.E-suffix terminals and connectorsTerminal and connector components identified by an E suffix.ML Sealed Crimp & SolderCompact connectors for dependable wire terminations and repairs.

Splices & wire connections (6)

Terminal stripsMulti-position terminal strips for organizing service-panel, equipment and distribution wiring.Wire nuts and connectorsTwist-on connectors for fast, insulated splices in electrical wiring.Dead-end wire connectorsClosed-end connectors for capping and joining compatible stranded copper wires.Copper split-bolt connectorsCopper mechanical connectors for joining and tapping heavy electrical conductors.Solder pelletsSolder pellets for dependable wire joining and terminal repair work.Solder sleeve connectorsHeat-shrink solder sleeves for sealed wire splices in electrical and automotive repair.

Battery terminals & lugs (3)

BT terminalsBattery terminals for high-current battery and starter connections.CL copper and CLT tin-plated lugsCopper and tin-plated copper lugs for battery and power cable connections.BAL heavy-duty lugs and BAS splicesHeavy-duty lugs and splices for high-current cable connections.

Connector systems (3)

Deutsch DT connectorsRugged multi-pin connectors for protected wiring connections in vehicles and equipment.Sealed connector componentsSeals, plugs and connector pieces that help protect electrical connections from contamination.Weather Pack terminals, housings, plugs and sealsWeather Pack components for protected automotive and equipment wiring.

Need a wire-to-wire repair? See heat shrink butt connector options for protected wire splices.

Heat shrink terminal part list

Heat Shrink Terminals and Connectors

Choose a connection style, then select the HS-series terminal or connector needed for your order.

Heat shrink terminal subgroups

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3M terminal and connector families

3M solderless terminals and connectors

Choose double crimp, single crimp, bare brazed, NSC nylon single crimp, Multi-Lock or moisture-resistant products for your wiring job.

Choose 3M solderless products

3M Double Crimp Terminals and Connectors 3M Single Crimp Terminals and Connectors 3M Bare Brazed Terminals and Connectors 3M NSC nylon single crimp terminals ML Multi-Lock terminals, IDC connectors & T-Taps MRB moisture-resistant connectors

3M terminal part list

3M Double Crimp Terminals and Connectors

Choose a wire range, then narrow the terminal style to find the parts needed for your order.

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3M single crimp part list

3M Single Crimp Terminals and Connectors

Choose a wire range, then narrow the terminal style to find the parts needed for your order.

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3M bare brazed terminal part list

3M Bare Brazed Terminals and Connectors

Choose a wire size, then narrow the terminal style to find the bare brazed parts needed for your order.

Choose matching heat shrink tubing

Finish with matching heat shrink tubing

Bare brazed terminals and connectors can be paired with correctly sized heat shrink tubing to insulate the crimped barrel or butt splice. Cover the connection and overlap the wire insulation. Select tubing with an expanded inside diameter that fits over the area to be covered and a recovered inside diameter that grips the cable insulation. Keep ring and fork contact surfaces, bolt holes and mating contacts exposed.

Dual-wall heat shrink · Heavy-wall heat shrink · Thin-wall heat shrink

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3M nylon single crimp part list

3M NSC nylon single crimp terminals

Browse the 3M NSC terminal and connector range, then select the parts needed for your order.

NSC color-coded insulated butt connectors for 8–4 AWG wire

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3M terminals and connectors

Reliable electrical connections without soldering.

3M solderless terminals and connectors deliver quick, secure electrical connections for automotive, marine and industrial work.

3M insulated ring, spade, fork and butt terminals

Fast, clean installation

Make connections quickly with a crimping tool. Positive wire insertion helps prevent strand hang-ups.

Reliable under stress

Built to handle mechanical stress, vibration and tension while maintaining consistent electrical performance.

Ready for harsh conditions

Resists corrosion, temperature extremes and weather exposure in demanding work environments.

Flexible and serviceable

Disconnect and reconnect for repairs, upgrades and design changes, with terminal styles for different wiring needs.

Efficient for the job

Faster installation means less labor, with no heat, flux or soldering equipment needed.

Protection and consistency

Insulated options help protect against shorts, while proper crimping creates repeatable connections.

3M solderless connectors and terminals — Solderless connectors
Make dependable wire-to-wire connections without soldering.

3M terminal crimping tool — Crimping tools
Create consistent, secure connections with the right crimping tool.

3M ring, spade and fork terminals — Terminal styles
Choose ring, spade, hook and quick-disconnect styles for the connection at hand.

3M Multi-Lock part list

ML Multi-Lock terminals, IDC connectors and T-Taps

Choose the ML terminal, IDC connector or T-Tap quick splice needed for your electrical connection or wire repair.

Red, blue and yellow quick-splice connector assortment

T-Tap quick-splice connectors

Choose the T-Tap that matches the wire gauge in your circuit.

SC2218 T-TAPQUICK SPLICE CONNECTOR, 22-18 AWG

SC1614 T-TAPQUICK SPLICE CONNECTOR, 16-14 AWG

SC1210 T-TAPQUICK SPLICE CONNECTOR, 12-10 AWG

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3M MRB connector part list

MRB moisture-resistant connectors

Choose the 3M MRB connector needed for a moisture-resistant wire connection.

MRB Sealam-filled moisture-resistant connector cross section

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Yellow ML110-10 sealed crimp and solder ring terminal

Connector series

ML Sealed Crimp & Solder

Choose a compact connector for dependable wire terminations and repairs.

ML110-10Sealed crimp & solder connector

ML110-12Sealed crimp & solder connector

ML110-14Sealed crimp & solder connector

ML110-38Sealed crimp & solder connector

ML110-56Sealed crimp & solder connector

ML114-08Sealed crimp & solder connector

ML114-10Sealed crimp & solder connector

ML114-14Sealed crimp & solder connector

ML114-38Sealed crimp & solder connector

ML114-56Sealed crimp & solder connector

ML116-06Sealed crimp & solder connector

ML116-08Sealed crimp & solder connector

ML116-10Sealed crimp & solder connector

ML5-10Sealed crimp & solder connector

ML5-14Sealed crimp & solder connector

ML5-16Sealed crimp & solder connector

ML5-20Sealed crimp & solder connector

ML6-10-250FSealed crimp & solder connector

ML6-10-250MSealed crimp & solder connector

ML6-14-250FFSealed crimp & solder connector

ML6-14-250MSealed crimp & solder connector

Choose matching heat shrink tubing

Finish with matching heat shrink tubing

BT crimp battery terminals and battery lugs can be paired with correctly sized heat shrink tubing to insulate the cable-entry area. Select tubing with an expanded inside diameter that fits over the area to be covered and a recovered inside diameter that grips the cable insulation. Keep battery-post clamps, contact surfaces and bolt holes exposed.

Dual-wall heat shrink · Heavy-wall heat shrink · Thin-wall heat shrink

BT battery terminal part list

BT terminals

Identify BT terminal styles

Browse BT crimp terminals, temporary bolt-on terminals, military and marine terminals, side-mount terminals and charging posts.

Choose matching battery cable and terminals

Choose battery cable

Match the terminal to the cable gauge, battery-post type and polarity.

BC battery cable · SGX battery cable · BCT tinned battery cable

Choose matching heat shrink tubing

Finish with matching heat shrink tubing

Dual-wall heat shrink · Heavy-wall heat shrink · Thin-wall heat shrink

Crimp terminal shapesOne-piece cast copper terminals are available in straight, right-angle and elbow configurations. Cable size, polarity and tool die markings are shown on the terminal.

Temporary and side-mount optionsTemporary bolt-on terminals cover 6 AWG through 4/0 cable.

Military and marine optionsMilitary-standard terminals are solid lead. Marine terminals are lead-plated brass with 5/16 or 3/8 in. studs.

Charging posts and accessoriesBTMP-N, BTMP-P and BTFP-U charging posts use 3/8-16 threading. Battery bolts, post shims and felt protectors are also available.

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Terminal and lug part list

CL copper and CLT tin-plated lugs

Choose a wire size, then select a part number for your order. Parts are arranged from small to large.

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Terminal and lug part list

BAL heavy-duty lugs and BAS splices

Choose a wire size, then select a part number for your order. Parts are arranged from small to large.

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High-temperature terminal part list

High-temperature terminals

Choose the high-temperature terminal needed for your electrical connection.

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Terminal strip part list

Terminal strips

Organize multiple wire connections with terminal strips for service panels, equipment wiring and electrical distribution. Choose the circuit count, wire size and mounting layout that fit the job.

Black multi-position terminal strip with screw terminals

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Wire nuts and connectors

Fast, insulated connections for electrical splices.

Twist-on wire nuts are a practical choice for joining compatible conductors in common electrical work. Select the connector size and style for the wire combination and application at hand.

Color-coded options help distinguish wire-range choices.
Twist-on styles provide a familiar solution for dry-location copper splices.
Choose specialty connectors when the installation calls for a different connection method.

Select ID30-341

Wire nut positive-grip design and connector features

Wire nut part list

Wire nuts and wire-nut connectors

Choose the connector by wire combination, conductor type and the needs of the electrical splice. The catalog includes standard wire nuts, twist-on splices, set-screw styles and ceramic wire nuts.