The Tycab Red/Black 4 B&S Twin Core Twin Sheath cable steps up when you are running serious 12V loads over a few hard-earned metres. With a current rating of 135 A, it suits big chargers, inverters and fridge setups that pull more than 50 A in the real world. The twin-core layout keeps positive and negative together, which makes routing along chassis rails and through utes less of a headache. Inside the sheath you get fine-strand copper conductors with 252 strands at 0.32 mm, so the cable stays flexible when you snake it around drawers or canopies. The 90 °C insulation rating handles hot Aussie days where temps around engines and caravans push well past 40 °C. The black outer jacket takes the knocks from stones and corrugations. Sold per metre, so you buy only what your setup needs and still keep some coin for the rest of the kit.

• Tycab red/black 4 B&S twin core twin sheath cable
• Sold per metre for custom length runs
• 135 amp current rating for high-load circuits
• 252 strands of 0.32 mm copper per core
• Fine-strand construction for high flexibility and tight bends
• Twin sheath keeps positive and negative in one cable
• 90 °C insulation rating for hotter environments
• Suited to 12V dual battery, inverter and charger wiring
• Black outer jacket for extra mechanical protection
• Ideal for 4x4, caravan and camping electrical setups

Q: What applications suit this 4 B&S twin core cable?

It suits high-current 12V runs like dual battery links, DC–DC chargers, inverters and larger fridge setups. The 135 A rating covers many touring and camping systems that sit between 40 A and 120 A. The twin core keeps your positive and negative together so you only have to route one sheath. That makes it handy for long chassis runs on utes, vans and caravans.

Q: Can this cable be used under the bonnet of a 4x4?

Yes, the insulation is rated to 90 °C, which covers typical under-bonnet temperatures. You should still route it away from exhausts and sharp edges for long life. Using proper grommets and conduit at bulkheads is worthwhile. Secure the cable every few hundred millimetres with clamps to stop vibration wear.

Q: How do I choose the right length when it is sold per metre?

Measure your planned cable path and then add a small allowance for bends and terminations. It is common practice to add 5–10 percent extra length for safety. Remember to account for vertical drops from roof racks or canopies. Buying per metre lets you keep waste down and saves storing leftover offcuts.

Q: What size lugs or connectors work with this cable?

You will need lugs and joiners suited to 4 B&S size cable. Matching the lug barrel to the conductor size gives a solid crimp and better current handling. Use quality hex or hydraulic crimpers rather than light-duty pliers. Finish exposed joins with adhesive heat shrink to support the cable and keep moisture out.