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 Insulation Material Series Shrouded/Unshrouded
RS stock no. 161-3999
Mfr. Part No.321198
R 5,388.02
1 Box of 1000
Box(es)
Strap Butt - 26 → 22 AWG - 9.78mm 2.08mm - Uninsulated - - - - SOLISTRAND -
RS stock no. 669-1908
Mfr. Part No.321198
R 6.306
Each (In a Pack of 100)
units
Strap Butt - 26 → 22 AWG - 9.78mm 2.08mm - Uninsulated - - - - SOLISTRAND -
RS stock no. 239-3988
BrandRS PRO
R 292.94
1 Box of 100
Box(es)
Butt - 26 → 19 AWG - - 2.08mm - Insulated - - Yellow PP UY2 -
RS stock no. 531-368
BrandRS PRO
R 3.481
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
RS stock no. 510-5346
BrandRS PRO
R 142.64
1 Bag of 50
Bag(s)
T-Tap 0.75mm² 18 → 14 AWG 2.5mm² 37mm 9.8mm 18AWG Insulated 14AWG - Blue Nylon - Shrouded
RS stock no. 161-0197
Mfr. Part No.SCOTCHLOK 314
Brand3M
R 24.032
Each (In a Pack of 50)
units
- - - - - 3.8mm - - - - Blue - Scotchlok -
RS stock no. 170-9442
Mfr. Part No.320559
R 8.764
Each (In a Bag of 50)
units
Butt - 22 → 16 AWG - 32.13mm 3.18mm - Insulated - - Red Nylon PIDG Shrouded
RS stock no. 528-9264
Mfr. Part No.320559
R 8.374
Each (In a Pack of 100)
units
Butt - 22 → 16 AWG - 32.13mm 3.18mm - Insulated - - Red Nylon PIDG Shrouded
RS stock no. 533-673
Mfr. Part No.DS-18-22-RS
R 6.919
Each (In a Pack of 50)
units
Butt - 22 → 18 AWG - 36mm 3.7mm - Insulated - - Red - DuraSeal -
RS stock no. 533-667
Mfr. Part No.DS-14-16-RS
R 6.778
Each (In a Pack of 50)
units
Butt - 16 → 14 AWG - 36mm 4.6mm - Insulated - - Blue - DuraSeal -
RS stock no. 444-5659
Mfr. Part No.D-436-36
R 27.271
Each (In a Pack of 25)
units
Butt - 0.15 → 0.75 mm² - 12.95mm 2.03mm - Insulated - - Red - MiniSeal -
RS stock no. 170-9443
Mfr. Part No.320562
R 12.135
Each (In a Bag of 50)
units
Butt - 16 → 14 AWG - 32.13mm 3.81mm - Insulated - - Blue Nylon PIDG -
RS stock no. 528-9286
Mfr. Part No.320562
R 10.462
Each (In a Pack of 100)
units
Butt - 16 → 14 AWG - 32.13mm 3.81mm - Insulated - - Blue Nylon PIDG -
RS stock no. 534-288
BrandRS PRO
R 2.047
Each (In a Pack of 100)
units
Butt 0.5mm² 22 → 16 AWG 1.5mm² 24.5mm 4mm 22AWG Insulated 16AWG - Red PVC - Shrouded
RS stock no. 119-198
BrandRS PRO
R 6.03
Each (In a Pack of 25)
units
Butt - 10 mm² 10mm² 23mm 4.5mm - Uninsulated - - - - - Unshrouded
RS stock no. 510-4854
BrandRS PRO
R 68.80
1 Bag of 50
Bag(s)
T-Tap - 12 AWG 4mm² 37mm 9.8mm - Insulated 12AWG - Yellow Nylon - Shrouded
RS stock no. 239-4234
BrandRS PRO
R 2.026
Each (In a Pack of 100)
units
Butt 0.2mm² 26 → 22 AWG 0.5mm² 20mm 2mm 26AWG Insulated 22AWG - Yellow Nylon - Shrouded
RS stock no. 173-4040
Mfr. Part No.D-436-37-COLD
R 123.322
Each (In a Bag of 100)
units
Butt - 18 → 16 AWG - 38.7mm - - Insulated - - Blue - - -
RS stock no. 782-4768
Mfr. Part No.D-436-37-COLD
R 139.57
Each
units
Butt - 18 → 16 AWG - 38.7mm - - Insulated - - Blue - - -
RS stock no. 782-4985
Mfr. Part No.53440-1
R 18.282
Each (In a Pack of 5)
units
Tap - 18 → 14 AWG - - - - - - - - - ELECTRO-TAP -