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WIRE CONNECTORS

Wire Connectors

Choose wire connectors by connection type, wire gauge, insulation and sealing method. This collection brings together heat-shrink butt connectors, solder-seal connectors, ring and spade terminals, ferrules, cable lugs and mixed connector kits for automotive, marine, household and workshop wiring.

Compare Wire Connector Types

Connector Type	Wire Gauge	Insulation / Sealing	Best For	Installation Method
Heat-Shrink Butt Connectors	AWG 26-10 on selected kits	Heat-shrink sleeve; adhesive lining by product	Permanent inline wire splices	Crimp, then heat evenly
Solder-Seal Connectors	AWG 26-10 on selected assortments	Heat-shrink sleeve with solder ring	Low-profile sealed wire joining	Insert stripped wires, then heat
Ring Terminals	Product-specific AWG and stud size	Heat-shrink or non-insulated	Battery, grounding and stud connections	Crimp; heat when applicable
Spade, Fork & Bullet Terminals	Product-specific AWG	Heat-shrink or fully insulated	Serviceable stud or disconnect connections	Match terminal and wire, then crimp
Wire Ferrules	Product-specific conductor range	Non-insulated metal barrel	Stranded wire in terminal blocks	Crimp with the matching ferrule profile
Cable Lugs	AWG 8-2 and larger options by product	Bare or tinned copper; heat shrink as listed	Battery and high-current cable connections	Heavy-duty crimp and seal as required

Applications

Use these connectors for vehicle wiring, marine electrical repairs, battery cables, control panels, appliances and general wire-harness maintenance. Select a connector rated for the conductor size, current, environment and connection style.

How to Choose

Identify the connection: inline splice, stud, quick disconnect or terminal block.
Match the connector's stated AWG range to the conductor.
Choose heat-shrink or solder-seal construction for moisture-prone locations.
Confirm stud, tab or terminal dimensions before ordering.

How to Use

Disconnect power and strip only the recommended insulation length.
Insert the conductor fully and make the specified crimp or solder-seal connection.
For heat-shrink products, apply controlled heat while rotating the connection.
Allow it to cool, then inspect and pull-test the finished joint.

Wire Connector FAQ

How do I choose the correct wire connector size?

Match the connector's listed AWG range to the conductor size. Do not rely on color alone; verify the product specification and the actual wire gauge.

When should I use heat-shrink or solder-seal connectors?

Use sealed connectors where wiring may face moisture, vibration or corrosion. Heat-shrink crimp connectors require a proper crimp before heating; solder-seal connectors join and seal with controlled heat.

Can one crimping tool work with every connector?

No. The die profile and crimp range must match the terminal type and wire gauge. Use the product specification to select the correct crimping tool and cavity.

How can I check whether the connection is secure?

After cooling, inspect for full conductor insertion, an even seal and no burned sleeve. Perform a firm pull test before restoring power.