Splice Connectors

Crimp butt splice terminals are tube-shaped connectors with two crimps for joining wires in-line. They typically consist of a metal tube that's usually encased in an insulated covering. Crimp butt splice terminals can be used to either change, lengthen or repair conductors in an electrical circuit.

How do crimp butt splice terminals work?

Crimp butt splice terminals are attached by inserting the stripped ends of two stranded wires into both ends of the terminal. A crimping tool is them used to crimp both ends to ensure a tight connection between the wires.

Types and applications of crimp butt splice terminals

Crimp butt splice terminals are used for electrical connections in numerous industries, including in automotive, commercial, industrial and marine applications. They come in various sizes to suit different wire sizes and can be categorised into two main groups: insulated and non-insulated. Insulated crimp butt splice terminals are usually colour-coded to indicate the size of the wire with which they're compatible.


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Description Price Splice Type Minimum Wire Size mm² Wire Size Maximum Wire Size mm² Overall Length Diameter Minimum Wire Size AWG Insulation Maximum Wire Size AWG Number of Ways Colour Contact Dimensions Insulation Material Contact Length
RS Stock No. 239-3988
BrandRS PRO
$29.06
1 Box of 100
Box(es)
Butt - 26 → 19 AWG - - 2.08mm - Insulated - - Yellow - PP -
RS Stock No. 534-288
BrandRS PRO
$0.194
Each (In a Pack of 100)
units
Butt 0.5mm² 22 → 16 AWG 1.5mm² 24.5mm 4mm 22AWG Insulated 16AWG - Red - PVC -
RS Stock No. 534-648
BrandRS PRO
$0.218
Each (In a Pack of 100)
units
Butt 1.5mm² 16 → 14 AWG 2.5mm² 24.5mm 4.8mm 16AWG Insulated 14AWG - Blue - PVC -
RS Stock No. 809-2385
BrandRS PRO
$0.664
Each (In a Pack of 50)
units
Butt - 8 AWG 8mm² 21mm 7mm - Uninsulated 8AWG - - - - -
RS Stock No. 433-078
BrandRS PRO
$0.135
Each (In a Pack of 100)
units
Butt 0.5mm² 0.5 → 1.5 mm² 1.5mm² 15mm 1.8mm - Uninsulated - - - - - -
RS Stock No. 239-4234
BrandRS PRO
$0.203
Each (In a Pack of 100)
units
Butt 0.2mm² 26 → 22 AWG 0.5mm² 20mm 2mm 26AWG Insulated 22AWG - Yellow - Nylon -
RS Stock No. 267-3997
BrandRS PRO
$0.352
Each (In a Pack of 100)
units
Butt 0.5mm² 22 → 16 AWG 1.5mm² 31mm 4mm 22AWG Insulated 16AWG - Red - Nylon -
RS Stock No. 119-211
BrandRS PRO
$0.652
Each (In a Pack of 10)
units
Butt - 25 mm² 25mm² 31mm 6.7mm - Uninsulated - - - - - -
RS Stock No. 205-0710
BrandRS PRO
$0.245
Each (In a Pack of 100)
units
Closed End 1.5mm² 1 → 2.6 mm² 2.5mm² 21mm 7.4mm 16AWG Insulated 14AWG - Clear - Nylon -
RS Stock No. 534-519
BrandRS PRO
$0.293
Each (In a Pack of 100)
units
Butt 4mm² 12 → 10 AWG 6mm² 24.5mm 5.8mm 12AWG Insulated 10AWG - Yellow - PVC -
RS Stock No. 119-198
BrandRS PRO
$0.556
Each (In a Pack of 25)
units
Butt - 10 mm² 10mm² 23mm 4.5mm - Uninsulated - - - - - -
RS Stock No. 531-368
BrandRS PRO
$0.304
Each (In a Pack of 25)
units
T-Tap 0.75mm² 18 → 14 AWG 2.5mm² 37mm 9.8mm 18AWG Insulated 14AWG - Blue - Nylon -
RS Stock No. 510-5346
BrandRS PRO
$16.95
1 Bag of 50
Bag(s)
T-Tap 0.75mm² 18 → 14 AWG 2.5mm² 37mm 9.8mm 18AWG Insulated 14AWG - Blue - Nylon -
RS Stock No. 534-907
BrandRS PRO
$0.217
Each (In a Pack of 100)
units
Closed End 0.5mm² 0.5 → 1.5 mm² 1.5mm² 18.1mm 6.6mm 22AWG Insulated 16AWG - Clear - Nylon -
RS Stock No. 613-9794
BrandRS PRO
$0.249
Each (In a Pack of 100)
units
Butt 0.5mm² 22 → 16 AWG 1.5mm² 24.2mm 4mm 22AWG Insulated 16AWG - Red - Vinyl -
RS Stock No. 267-4007
BrandRS PRO
$0.868
Each (In a Pack of 100)
units
Butt 4mm² 12 → 10 AWG 6mm² 41mm 6.2mm 12AWG Insulated 10AWG - Yellow - Nylon -
RS Stock No. 267-4013
BrandRS PRO
$0.465
Each (In a Pack of 100)
units
Butt 1.5mm² 16 → 14 AWG 2.5mm² 31mm 4.6mm 16AWG Insulated 14AWG - Blue - Nylon -
RS Stock No. 510-4775
BrandRS PRO
$34.03
1 Bag of 100
Bag(s)
Butt - 26 → 22 AWG - 12.5mm 7.9mm 26AWG Insulated 22AWG 2 White, Yellow - - -
RS Stock No. 531-352
BrandRS PRO
$0.074
Each (In a Pack of 25)
units
Tap 0.75mm² 18 → 14 AWG 2.5mm² 27mm 20mm 18AWG Insulated 14AWG - Blue - PP -
RS Stock No. 119-227
BrandRS PRO
$1.022
Each (In a Pack of 10)
units
Butt - 35 mm² 35mm² 35mm 8.6mm - Uninsulated - - - - - -
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