Twin Core Cable

AUTOMOTIVE TWIN CORE CABLE

Designed for clean, streamlined 12V and 24V wiring runs, our Australian Made Automotive Twin Core Cables feature two V90 PVC insulated conductors enclosed within a protective outer sheath. Supplied by Tycab, Key Tubing, and Elcon, this cable range is ideal for fridge feeds, DC-DC chargers, auxiliary lighting, and dual-battery distribution.

Note on Twin Core Ratings: Because twin core sheath construction places two conductors in close proximity, standard Australian twin core catalog ratings already incorporate the 2-core proximity de-rating baseline. Apply ambient temperature multipliers (e.g., 0.76 factor at 50°C) to these baseline figures when routing through hot canopies or enclosures.

Australian Twin Core Cable Ratings (@ 30°C Sheathed)

Cable Size Nominal Area (mm²) Sheathed Catalog Rating (@ 30°C Ambient)* 50°C Canopy Ambient (0.76 Factor) 60°C Engine Bay/Enclosure (0.60 Factor)
3mm Twin Sheath 2x 1.13mm² 16A 12.1A 9.6A
4mm Twin Sheath 2x 1.84mm² 22A 16.7A 13.2A
5mm Twin Sheath 2x 2.90mm² 29A 22.0A 17.4A
6mm Twin Sheath 2x 4.59mm² 38A 28.8A 22.8A
8 B&S Twin Sheath 2x 7.92mm² 59A 44.8A 35.4A
6 B&S Twin Sheath 2x 13.57mm² 82A 62.3A 49.2A
4 B&S Twin Sheath 2x 20.29mm² 108A 82.0A 64.8A

Use the free Victron Toolkit App to calculate voltage drop, and review our detailed Automotive & Marine Cable Selection Guide for full technical de-rating charts and fuse sizing guidelines.

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