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Twin Sheath Cable - 4mm Auto Size (1.84mm²) 29Amp - V90 PVC Insulated
Twin Sheath Cable - 4mm Auto Size (1.84mm²) 29Amp - V90 PVC Insulated
SKU:cab-twin-4mm-1m
Out of stock
Twin Sheath Cable - 4mm Auto Size (1.84mm²) 29Amp - V90 PVC Insulated
✅ Same Day Dispatch – Cable Range
In stock and ready to roll from Campervan Builders.
We know you don’t want to wait — that’s why our cables are packed, and sent the same day when ordered before 3 PM AEST.
ℹ️ Cable Length Note
When you buy by the metre, we’ll send your cable in one continuous length. If you order 3 × 1m, you’ll get a single 3m cable — ready to run straight out of the box.
📝 Twin Sheath Cable – 4mm Auto Size (1.84mm²) 29A V90 PVC Insulated
Meet the Twin Sheath Cable – 4mm Auto Size (1.84mm²) 29A, your trusted solution for automotive and trailer wiring. Built to the highest standards, this twin-core cable uses 99.98% oxygen-free copper for exceptional conductivity and efficient power delivery. Encased in a durable V90 PVC sheath, it’s engineered for long-term reliability and flexibility across a wide range of 12v and 24v applications.
⭐ Essential Benefits
• High-quality construction – made from 99.98% oxygen-free copper for consistent, low-resistance current flow.
• Optimised performance – 1.84mm² conductor area ensures efficient power transmission with minimal loss.
• High current capacity – rated at 29 amps, ideal for medium-load automotive circuits.
• Durable insulation – double-insulated with V90 PVC, compliant with AS/NZS 3808 for safety and longevity.
• Flexible installation options – available in 1m, 30m, or 100m lengths to suit all project sizes.
• Easy identification – features red and black cores within a black outer sheath for quick polarity recognition.
⚙️ Functionality
This 4mm twin sheath cable provides an excellent balance of flexibility, conductivity, and mechanical strength, making it ideal for automotive and off-grid wiring setups. Whether used for lighting, charging circuits, or accessory installations, it ensures reliable and safe operation under load.
🔌 Compatibility
• Suitable for 12v and 24v DC systems
• Ideal for vehicles, caravans, trailers, and motorhomes
• Perfect for lighting, solar, and accessory wiring
🧰 Installation Difficulty
🟢 1/5 (Easy) – highly flexible and easy to install in confined automotive or trailer spaces.
🔍 Features
• Twin-core oxygen-free copper conductors
• Double-insulated with V90 PVC (RoHS compliant)
• Black outer sheath with red and black inner cores
• Rated for 29A continuous current
• Compliant with AS/NZS 3808 and AS/NZS 1125
• Available in 1m, 30m, and 100m rolls
📊 Specifications
| Specification | Detail |
|---|---|
| Industry Standard Size | 4mm |
| Nominal Conductor Area | 1.84mm² |
| Amp Rating | 29A |
| Resistance @ 20°C | 9.50 Ω/km |
| Conductor Material | 99.98% Oxygen-Free Copper |
| Insulation Material | V90 PVC (AS/NZS 3808) |
| Nominal OD | 4.0mm × 6.5mm |
| Core Colours | Red and Black |
| Length Options | 1m / 30m / 100m |
📦 What’s Included
• 1 × Twin Sheath 4mm (1.84mm²) 29A V90 PVC Insulated Cable (Sold by length option)
🇦🇺 Australian-Made Quality
Proudly Australian-made, these cables use premium copper for cleaner power delivery and lasting performance. Unlike low-grade imports, they’re built to handle real-world conditions and deliver dependable quality you can count on.

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Tested for Reliability
All products are tested in real Aussie off-grid conditions before we stock them.
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Fast Dispatch
Order before 3 PM AEST for same-day shipping from Geelong, VIC.
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Quality Over Price
We only stock products we’d use ourselves—even if they cost a bit more.
Our Commitment
At Campervan Builders, our commitment is simple: we only supply quality campervan, caravan, motorhome, and RV parts that we’ve personally tested in real off-grid conditions. From interior LED lighting to Starlink 12V conversion kits, every product is chosen for reliability, durability, and ease of installation. We back this with fast shipping Australia-wide, friendly support, and honest advice to help DIY builders and professionals alike. When you shop with us, you’re choosing proven gear that keeps you connected and comfortable on every adventure.


















