Crimp Butt Splice Terminals

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 Colour Insulation Material Series Shrouded/Unshrouded Contact Material
RS Stock No. 534-288A
BrandRS PRO
£0.043
Each (In a Pack of 1000)
Units
Butt 0.5mm² 22 → 16 AWG 1.5mm² 24.5mm 4mm 22AWG Insulated 16AWG Red PVC - Shrouded Copper
RS Stock No. 534-288
BrandRS PRO
£8.91
1 Pack of 100
Pack(s)
Butt 0.5mm² 22 → 16 AWG 1.5mm² 24.5mm 4mm 22AWG Insulated 16AWG Red PVC - Shrouded Copper
RS Stock No. 613-9794
BrandRS PRO
£11.47
1 Pack of 100
Pack(s)
Butt 0.5mm² 22 → 16 AWG 1.5mm² 24.2mm 4mm 22AWG Insulated 16AWG Red Vinyl - Shrouded Copper
RS Stock No. 239-3988
BrandRS PRO
£13.37
1 Box of 100
Box(es)
Butt - 26 → 19 AWG - - 2.08mm - Insulated - Yellow PP UY2 - -
RS Stock No. 613-9788
BrandRS PRO
£0.15
Each (In a Pack of 100)
Units
Butt 1.5mm² 16 → 14 AWG 2.5mm² 24.2mm 4.5mm 16AWG Insulated 14AWG Blue Vinyl - Shrouded Copper
RS Stock No. 433-078
BrandRS PRO
£0.062
Each (In a Pack of 100)
Units
Butt 0.5mm² 0.5 → 1.5 mm² 1.5mm² 15mm 1.8mm - Uninsulated - - - - Unshrouded Copper
RS Stock No. 613-9766
BrandRS PRO
£0.188
Each (In a Pack of 100)
Units
Butt 4mm² 12 → 10 AWG 6mm² 26mm 6.3mm 12AWG Insulated 10AWG Yellow Vinyl - Shrouded Copper
RS Stock No. 510-4775
BrandRS PRO
£15.89
1 Bag of 100
Bag(s)
Butt - 26 → 22 AWG - 12.5mm 7.9mm 26AWG Insulated 22AWG White, Yellow - - Shrouded -
RS Stock No. 458-0702
BrandRS PRO
£6.00
1 Bag of 10
Bag(s)
- - - - - - - - - - - - - -
RS Stock No. 531-352
BrandRS PRO
£0.034
Each (In a Pack of 25)
Units
Tap 0.75mm² 18 → 14 AWG 2.5mm² 27mm 20mm 18AWG Insulated 14AWG Blue PP - Shrouded Brass
RS Stock No. 534-519
BrandRS PRO
£13.46
1 Pack of 100
Pack(s)
Butt 4mm² 12 → 10 AWG 6mm² 24.5mm 5.8mm 12AWG Insulated 10AWG Yellow PVC - Shrouded Copper
RS Stock No. 239-4234
BrandRS PRO
£9.34
1 Pack of 100
Pack(s)
Butt 0.2mm² 26 → 22 AWG 0.5mm² 20mm 2mm 26AWG Insulated 22AWG Yellow Nylon - Shrouded Copper
RS Stock No. 119-211
BrandRS PRO
£0.30
Each (In a Pack of 10)
Units
Butt - 25 mm² 25mm² 31mm 6.7mm - Uninsulated - - - - Unshrouded Copper
RS Stock No. 267-3997
BrandRS PRO
£0.122
Each (In a Pack of 100)
Units
Butt 0.5mm² 22 → 16 AWG 1.5mm² 31mm 4mm 22AWG Insulated 16AWG Red Nylon - Shrouded Copper
RS Stock No. 510-4804
BrandRS PRO
£17.71
1 Bag of 100
Bag(s)
Butt - 26 → 19 AWG - 19.5mm 8.4mm 26AWG Insulated 19AWG Red, White - - Shrouded -
RS Stock No. 531-368
BrandRS PRO
£0.14
Each (In a Pack of 25)
Units
T-Tap 0.75mm² 18 → 14 AWG 2.5mm² 37mm 9.8mm 18AWG Insulated 14AWG Blue Nylon - Shrouded Phosphor Bronze
RS Stock No. 510-5346
BrandRS PRO
£6.34
1 Bag of 50
Bag(s)
T-Tap 0.75mm² 18 → 14 AWG 2.5mm² 37mm 9.8mm 18AWG Insulated 14AWG Blue Nylon - Shrouded Phosphor Bronze
RS Stock No. 458-0718
BrandRS PRO
£6.00
1 Bag of 10
Bag(s)
- - - - - - - - - - - - - -
RS Stock No. 208-2688
BrandRS PRO
£0.054
Each (In a Pack of 100)
Units
Butt 1mm² 1 → 2.5 mm² 2.5mm² - - - Uninsulated - - - - Unshrouded Copper
RS Stock No. 119-198
BrandRS PRO
£6.39
1 Pack of 25
Pack(s)
Butt - 10 mm² 10mm² 23mm 4.5mm - Uninsulated - - - - Unshrouded Copper