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Heat Shrink Butt Splices and End Caps

Heat Shrink End Caps
From $0.70
These adhesive-lined end caps seal off wire ends and splice terminations to insulate and protect against moisture, chemicals, abrasion and corrosion.

Heat Shrink Breakout Boots
From $4.37
Designed to form watertight seals around single-to-multiple cable transition points, these breakout boots are made of durable polyolefin and lined with a heat-activated adhesive.

Gardner Bender Heat Shrink Butt Splice Kits
From $7.64
Ideal for above ground and direct burial applications, these copper cable butt splices are overlaid with adhesive heat shrink tubing for a permanent waterproof, dustproof seal.

Krimpa-Seal Heat Shrink Butt Splices
From $13.89
Translucent polyolefin material lets you visually check the quality of your connections before permanently shrinking on these adhesive-lined connectors.

Elektralink™ Sealed Solder Butt Splices
From $20.27
These connectors do double duty by splicing wires with just the right amount of solder, then covering the splice with a secure and waterproof heat shrink seal.

Step Down Butt Splices
From $26.28 / 50 pack
Reliably connect 2 different wire gauges in one simple connector with our step-down butt splices, which are equipped with wire stops to prevent over-insertion.

Perma-Seal™ Step-Down Butt Splice Connectors
From $78.41
Able to shrink 40% faster than standard heat shrink, these butt splices allow you to join 2 different gauge wires into one, and are able to stand up to harsh conditions.

Panduit Wire Maintenance Kits
From $439.96 / 50 pack
This comprehensive kit of butt splices, terminals, cramp tools, cable ties, installation tools and ID equipment has everything you need for electrical installations.
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