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. 534-288
BrandRS PRO
PHP6.934
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
PHP7.813
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. 239-3988
BrandRS PRO
PHP1,040.44
1 Box of 100
Box(es)
Butt - 26 → 19 AWG - - 2.08mm - Insulated - - Yellow - PP -
RS Stock No. 267-3997
BrandRS PRO
PHP9.107
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. 534-519
BrandRS PRO
PHP10.474
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. 531-352
BrandRS PRO
PHP2.968
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. 119-198
BrandRS PRO
PHP19.89
Each (In a Pack of 25)
units
Butt - 10 mm² 10mm² 23mm 4.5mm - Uninsulated - - - - - -
RS Stock No. 613-9766
BrandRS PRO
PHP14.614
Each (In a Pack of 100)
units
Butt 4mm² 12 → 10 AWG 6mm² 26mm 6.3mm 12AWG Insulated 10AWG - Yellow - Vinyl -
RS Stock No. 267-4007
BrandRS PRO
PHP30.355
Each (In a Pack of 100)
units
Butt 4mm² 12 → 10 AWG 6mm² 41mm 6.2mm 12AWG Insulated 10AWG - Yellow - Nylon -
RS Stock No. 510-4826
BrandRS PRO
PHP195.33
1 Bag of 50
Bag(s)
Tap 4mm² 12 → 10 AWG 6mm² 34.5mm 20.5mm 12AWG Insulated 10AWG - Yellow - PP -
RS Stock No. 510-4854
BrandRS PRO
PHP212.70
1 Bag of 50
Bag(s)
T-Tap - 12 AWG 4mm² 37mm 9.8mm - Insulated 12AWG - Yellow - Nylon -
RS Stock No. 613-9794
BrandRS PRO
PHP8.59
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. 239-4234
BrandRS PRO
PHP7.268
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. 534-913
BrandRS PRO
PHP10.394
Each (In a Pack of 100)
units
Closed End 2.5mm² 2.5 → 6 mm² 6mm² 24.1mm 10.5mm 10 AWG, 12 AWG Insulated - - Clear - Nylon -
RS Stock No. 510-4775
BrandRS PRO
PHP1,236.54
1 Bag of 100
Bag(s)
Butt - 26 → 22 AWG - 12.5mm 7.9mm 26AWG Insulated 22AWG 2 White, Yellow - - -
RS Stock No. 531-368
BrandRS PRO
PHP8.155
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
PHP407.74
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. 119-227
BrandRS PRO
PHP36.575
Each (In a Pack of 10)
units
Butt - 35 mm² 35mm² 35mm 8.6mm - Uninsulated - - - - - -
RS Stock No. 205-0710
BrandRS PRO
PHP8.786
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. 510-4810
BrandRS PRO
PHP128.40
1 Bag of 50
Bag(s)
Tap 0.5mm² 20 → 18 AWG 0.75mm² 27mm 20mm 22AWG Insulated 18AWG - Red - PP -
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