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
MYR0.677
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. 842-012
Mfr. Part No.34070
MYR0.86
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
MYR734.69
1 Box of 1000
Box(es)
Butt - 22 → 16 AWG - 27.33mm 3.56mm - Insulated - - Red - PLASTI-GRIP -
RS Stock No. 534-288
BrandRS PRO
MYR0.601
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. 528-9264
Mfr. Part No.320559
MYR2.417
Each (In a Pack of 100)
units
Butt - 22 → 16 AWG - 32.13mm 3.18mm - Insulated - - Red Nylon PIDG Shrouded
RS Stock No. 170-9442
Mfr. Part No.320559
MYR2.774
Each (In a Bag of 50)
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
MYR2.228
Each (In a Pack of 50)
units
Butt - 22 → 18 AWG - 36mm 3.7mm - Insulated - - Red - DuraSeal -
RS Stock No. 239-3988
BrandRS PRO
MYR89.18
1 Box of 100
Box(es)
Butt - 26 → 19 AWG - - 2.08mm - Insulated - - Yellow PP UY2 -
RS Stock No. 534-519
BrandRS PRO
MYR0.907
Each (In a Pack of 100)
units
Butt 4mm² 12 → 10 AWG 6mm² 24.5mm 5.8mm 12AWG Insulated 10AWG - Yellow PVC - Shrouded
RS Stock No. 164-8674
Mfr. Part No.735410-0
MYR1.816
Each (In a Bag of 100)
units
Tap - 20 → 18.5 AWG - 17.5mm 12.5mm - Insulated - - Red Glass Filled Nylon - Shrouded
RS Stock No. 528-9286
Mfr. Part No.320562
MYR1.999
Each (In a Pack of 100)
units
Butt - 16 → 14 AWG - 32.13mm 3.81mm - Insulated - - Blue Nylon PIDG -
RS Stock No. 528-9236
Mfr. Part No.320570
MYR3.56
Each (In a Pack of 100)
units
Butt - 12 → 10 AWG - 42.06mm 5.59mm - Insulated - - Yellow Nylon PIDG -
RS Stock No. 170-9443
Mfr. Part No.320562
MYR2.305
Each (In a Bag of 50)
units
Butt - 16 → 14 AWG - 32.13mm 3.81mm - Insulated - - Blue Nylon PIDG -
RS Stock No. 118-5691
Mfr. Part No.735410-0
MYR2.15
Each (In a Pack of 10)
units
Tap - 20 → 18.5 AWG - 17.5mm 12.5mm - Insulated - - Red Glass Filled Nylon - Shrouded
RS Stock No. 170-9441
Mfr. Part No.320570
MYR3.51
Each (In a Bag of 50)
units
Butt - 12 → 10 AWG - 42.06mm 5.59mm - Insulated - - Yellow Nylon PIDG -
RS Stock No. 510-5346
BrandRS PRO
MYR19.38
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. 531-368
BrandRS PRO
MYR0.944
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. 164-1637
Mfr. Part No.34134
MYR1,948.20
1 Box of 1000
Box(es)
Parallel - 16 → 14 AWG - 19.3mm 4.32mm - Insulated - - Blue - - -
RS Stock No. 278-9266
Mfr. Part No.34134
MYR2.488
Each (In a Pack of 100)
units
Parallel - 16 → 14 AWG - 19.3mm 4.32mm - Insulated - - Blue - - -
RS Stock No. 267-3997
BrandRS PRO
MYR0.82
Each (In a Pack of 100)
units
Butt 0.5mm² 22 → 16 AWG 1.5mm² 31mm 4mm 22AWG Insulated 16AWG - Red Nylon - Shrouded