Heat Shrink Butt Splices (22-10 AWG) with Water Resistant Adhesive

$4.450 - $441.430
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Product Description


Terminal Type Butt Splice
Wire Gauge 22-18 AWG (Red) / 18-14 AWG (Blue) / 14-10 AWG (Yellow)
Max. Wire Insulation O.D. 0.19" (Red) / 0.21" (Blue) / 0.28" (Yellow)
Base Material Tinned Copper
Voltage Rating 600-V


  • Shrink ratio: Apprx. 3-1 at 135 °C
  • Operating Temp: -55 °C -  125 °C
  • Vol. Resistivity: 1015 Ohm-cm3
  • Dielectric Strength: 900-V/mil
  • Voltage Rating: 600-V


  • UL
  • CSA
  • RoHS

Terminals are a necessary element in any electrical systems. These heat shrink butt splices provide a durable, rugged, environmentally sealed connection. They are designed for use with wires between 22 AWG - 10 AWG.

How do you use heat shrink butt splices? Well, you start by prepping your wires. This includes cutting and striping the wires to the correct length. Each butt splice has an indentation inside of it in the center where your wires should meet. So now, you insert the wire into the butt splice until the tip touches the indentation. Using the proper tool, you will crimp the side of the butt splice creating a solid connection. Repeat this process on the other side. Now, perform a tug test to make sure that the wires do not pull out. Once you are satisfied, use the proper heat gun or torch to correctly heat the outer heat shrink. If you see bubbles or discoloration in the wire insulation or the heat shrink you are using too much heat. That or your tool is too close.

Why use heat shrink butt splices? Heat shrink butt splices offer the highest level of environmental protection available. By utilizing these types of splices you are creating a moisture proof barrier that will last. Heat shrink butt splices protect connections from physical abuse and abrasion. They also protect from water, salt and other corrosive compounds.


  • Protects terminations from water, condensation, salt spray and corrosion
  • Added vibration protection in rugged environments
  • Provides strain relief
  • Cost effective

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