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. 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. 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 -
RS stock no. 136-4676
Mfr. Part No.D-436-38
R 63.07
Each (In a Pack of 10)
units
- 1.19mm² 16 → 12 AWG 3.37mm² 27.94mm 4.32mm 16AWG Insulated 12AWG - - PVDF D-436 -
RS stock no. 444-5687
Mfr. Part No.D-436-38
R 48.591
Each (In a Pack of 25)
units
Butt - 12 → 16 AWG - 14.35mm 3.89mm - Insulated - - Yellow - MiniSeal -
RS stock no. 136-2104
Mfr. Part No.D-436-38
R 1,391.17
1 Box of 25
Box(es)
- 1.19mm² 16 → 12 AWG 3.37mm² 27.94mm 4.32mm 16AWG Insulated 12AWG - - PVDF D-436 -
RS stock no. 136-1901
Mfr. Part No.650075-000
R 33.232
Each (In a Bag of 100)
units
Butt - 20 → 16 AWG - - - - Insulated - - Blue PVDF MiniSeal -
RS stock no. 680-3082
Mfr. Part No.650075-000
R 45.083
Each (In a Pack of 10)
units
Butt - 20 → 16 AWG - - - - Insulated - - Blue PVDF MiniSeal -
RS stock no. 533-651
Mfr. Part No.DS-10-12-RS
R 13.242
Each (In a Pack of 50)
units
Butt - 12 → 10 AWG - 43mm 6.5mm - Insulated - - Yellow - DuraSeal -
RS stock no. 170-9441
Mfr. Part No.320570
R 15.106
Each (In a Bag of 50)
units
Butt - 12 → 10 AWG - 42.06mm 5.59mm - Insulated - - Yellow Nylon PIDG -
RS stock no. 528-9236
Mfr. Part No.320570
R 13.82
Each (In a Pack of 100)
units
Butt - 12 → 10 AWG - 42.06mm 5.59mm - Insulated - - Yellow Nylon PIDG -