Hellermann Tyton
Secure your wiring with professional-grade Hellermann Tyton heat shrink, ring terminals, and copper links.
Professional-Grade Hellermann Tyton Cable Accessories
When building a reliable 12V or 24V power system for your caravan, motorhome, 4WD canopy, marine vessel, or off-grid tiny home, the quality of your electrical connections is paramount. Hellermann Tyton is renowned for manufacturing high-quality electrical components designed to withstand vibration, moisture, and extreme temperatures. Our curated range ensures your wiring remains secure, insulated, and protected from harsh Australian conditions. Whether you are navigating corrugated outback tracks or outfitting a marine battery bank, these robust accessories provide exceptional longevity.
High-Quality Cable Insulation and Connection
A robust electrical system relies on more than just high-capacity batteries and high-efficiency solar panels. Every crimp, link, and junction must be protected to prevent voltage drop, corrosion, and dangerous short circuits. Our selection of precision-engineered products includes:
- Glue-Lined Heat Shrink: Available in versatile 3:1 shrink ratios, this dual-wall tubing provides exceptional environmental sealing. As the tubing shrinks, the internal adhesive melts to create a completely waterproof barrier around the cable joint, making it ideal for marine applications and under-bonnet 4WD setups. Available in red and black across multiple diameters, it simplifies polarity identification. Learn more in our Technical Guide to Dual Wall Adhesive-Lined Heat Shrink Tubing.
- Pre-Insulated Ring Terminals: Designed for quick and secure terminations, these lugs utilise industry-standard colour coding (red, blue, and yellow) to indicate wire gauge compatibility. They feature precise M4, M5, M6, M8, and M10 hole diameters, making them essential for safely landing wires on bus bars, battery terminals, and circuit protection devices.
- Copper Links and Butt Splices: Achieve highly conductive inline connections with heavy-duty copper links ranging from 10mm² up to 70mm². Paired with the appropriate crimping tools, these connectors ensure maximum structural integrity across your heavy-gauge cable runs.
Installation Considerations for 12V/24V Wiring
Proper installation technique is critical when using Hellermann Tyton connectors and heat shrink in mobile and off-grid environments. Keep these practices in mind during your build:
- Correct Crimping: Always use a properly sized ratcheting or hydraulic crimper for bare copper links and pre-insulated terminals. An under-crimped joint creates electrical resistance, leading to heat build-up and potential system failure under heavy loads.
- Sizing Heat Shrink: Select a 3:1 shrink ratio tubing that easily slips over your completed connector but will shrink down tightly around the cable jacket. The adhesive should visibly extrude slightly at the edges upon heating to confirm a proper waterproof seal.
- Terminal Selection: Match the ring terminal hole size exactly to the stud you are connecting to (for example, an M8 lug for an M8 stud). Using an oversized ring reduces the contact area and increases resistance, while an undersized ring simply will not fit correctly.
As an Australian family business with a decade of experience, we pride ourselves on delivering high quality products and offering extensive before and after support. Enjoy fast dispatch on your complete wiring order, and equip your system with the best insulation and terminals on the market. Shop our range of Hellermann Tyton components today and secure your off-grid power setup with absolute confidence.


