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. 534-648
BrandRS PRO
SGD0.20
Each (In a Pack of 100)
units
Butt 1.5mm² 16 → 14 AWG 2.5mm² 24.5mm 4.8mm 16AWG Insulated 14AWG - Blue PVC - Shrouded
RS Stock No. 534-288
BrandRS PRO
SGD0.178
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. 205-0710
BrandRS PRO
SGD0.225
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 - Shrouded
RS Stock No. 842-107
Mfr. Part No.34071
SGD0.297
Each (In a Pack of 100)
units
Butt - 16 → 14 AWG - 27.05mm 4.32mm - Insulated - - Blue - PLASTI-GRIP -
RS Stock No. 170-9400
Mfr. Part No.34071
SGD235.62
1 Box of 1000
Box(es)
Butt - 16 → 14 AWG - 27.05mm 4.32mm - Insulated - - Blue - PLASTI-GRIP -
RS Stock No. 613-9794
BrandRS PRO
SGD0.229
Each (In a Pack of 100)
units
Butt 0.5mm² 22 → 16 AWG 1.5mm² 24.2mm 4mm 22AWG Insulated 16AWG - Red Vinyl - Shrouded
RS Stock No. 239-3988
BrandRS PRO
SGD26.79
1 Box of 100
Box(es)
Butt - 26 → 19 AWG - - 2.08mm - Insulated - - Yellow PP UY2 -
RS Stock No. 534-907
BrandRS PRO
SGD0.20
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 - Shrouded
RS Stock No. 170-9442
Mfr. Part No.320559
SGD1.051
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
SGD0.911
Each (In a Pack of 100)
units
Butt - 22 → 16 AWG - 32.13mm 3.18mm - Insulated - - Red Nylon PIDG Shrouded
RS Stock No. 533-667
Mfr. Part No.DS-14-16-RS
SGD0.622
Each (In a Pack of 50)
units
Butt - 16 → 14 AWG - 36mm 4.6mm - Insulated - - Blue - DuraSeal -
RS Stock No. 842-012
Mfr. Part No.34070
SGD0.168
Each (In a Pack of 100)
units
Butt - 22 → 16 AWG - 27.33mm 3.56mm - Insulated - - Red - PLASTI-GRIP -
RS Stock No. 170-9398
Mfr. Part No.34070
SGD145.86
1 Box of 1000
Box(es)
Butt - 22 → 16 AWG - 27.33mm 3.56mm - Insulated - - Red - PLASTI-GRIP -
RS Stock No. 119-211
BrandRS PRO
SGD0.601
Each (In a Pack of 10)
units
Butt - 25 mm² 25mm² 31mm 6.7mm - Uninsulated - - - - - Unshrouded
RS Stock No. 278-9250
Mfr. Part No.34132
SGD0.705
Each (In a Pack of 100)
units
Parallel - 22 → 16 AWG - 19.3mm 3.56mm - Insulated - - Red - - -
RS Stock No. 164-1636
Mfr. Part No.34132
SGD551.82
1 Box of 1000
Box(es)
Parallel - 22 → 16 AWG - 19.3mm 3.56mm - Insulated - - Red - - -
RS Stock No. 531-368
BrandRS PRO
SGD0.268
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
SGD12.28
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. 528-9286
Mfr. Part No.320562
SGD0.754
Each (In a Pack of 100)
units
Butt - 16 → 14 AWG - 32.13mm 3.81mm - Insulated - - Blue Nylon PIDG -
RS Stock No. 533-673
Mfr. Part No.DS-18-22-RS
SGD0.643
Each (In a Pack of 50)
units
Butt - 22 → 18 AWG - 36mm 3.7mm - Insulated - - Red - DuraSeal -