Heatshrink Butt Connectors - Red, Blue & Yellow, Watertight

Heatshrink Butt Connectors — pre-insulated butt connectors with an integrated heatshrink sleeve, forming a watertight crimp splice once heat is applied. Ideal for automotive, machinery, marine, home improvement, DIY and general electrical use.

Materials
Brass, tin, polyethylene & copper

Voltage rating
600V

Operating temperature
-55°C to 125°C

Minimum shrink temperature
150°C

Heat shrink ratio
1:1

Wire gauge by colour
Red: 0.25-1mm² / 22-18 AWG
Blue: 1.1-2.6mm² / 14-16 AWG
Yellow: 2.5-6.5mm² / 12-10 AWG

Standard
Manufactured to BS4579 & BS4G178

Also known as heatshrink butt splices, waterproof butt connectors, or insulated heat shrink butts.