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 $6.93
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 $14.31
Translucent polyolefin material lets you visually check the quality of your connections before permanently shrinking on these adhesive-lined connectors.

HydraLink Sealed Multiple Wire Closed End and In-Line Butt Connectors
From $20.01
Lined with an active adhesive that works to join up to 4 wires, these clear connectors allow you to inspect your work before permanently shrinking them on.

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 $29.43 / 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.

Multilink™ Crimp and Solder Sealed Butt Splices & Ring Terminal Kits
From $34.75
Using a unique 3-step process, these butt splices and terminals allow you to crimp, solder and heat-shrink with just one product, for durable and secure connections.

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 $438.12 / 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.

Heat Shrink End Caps with Valves
From $4.49
Featuring a unique design that's equipped with pressure-releasing stem valves, these adhesive-lined heat shrink end caps are perfect for automotive work, sealing hose or pipe ends, and general stem valve repairs or replacement.

OptiSeal Heat Shrink Butt Splices
From $15.30
Designed to allow a full visual inspection of butt splices prior to crimping, these crystal-clear heat shrink splices are lined with adhesive for a watertight seal, and are color-coded to indicate wire gauge size.