CONEPY 4 AWG Marine Wire, 4.6 m Duplex Cable — Tinned Copper, Thick PVC Jacket, IP68

This 4 AWG duplex marine-grade cable is designed for demanding environments where corrosion resistance, flexibility, and steady current capacity matter. CONEPY combines 299 strands of 0.3 mm tinned copper per conductor with heavy-duty PVC insulation to meet UL 1426, SAE, and ABYC performance benchmarks. The assembly supports systems from low-voltage 5V setups up to 600V ratings, with IP68 waterproofing and VW-1 flame retardant properties for long-term, safe use.

How does this wire resist saltwater and outdoor wear?

The cable uses tinned, oxygen-free copper strands that limit corrosion and signal degradation in wet or salty conditions. A robust, thick PVC jacket shields the conductors from UV exposure, abrasion, and extreme temperatures while keeping the cable flexible for installations in tight spaces.

• Tinned copper reduces oxidation for longer life in marine atmospheres
• Thick PVC jacket blocks UV and salt spray damage
• IP68 rating prevents water ingress during immersion or splash exposure

What electrical performance can I expect from 4 AWG duplex cable?

Each conductor has a cross-sectional area of 21.1 mm² with 299 strands to deliver consistent current flow and low resistance. The construction yields slightly higher current-carrying capacity than comparable aluminum wire, making it suitable for battery feeds, inverters, and motors while meeting established safety standards.

• Rated for up to 600V systems and compatible with 5V, 12V, 24V circuits
• Improved conductivity vs. aluminum for efficient power transfer
• VW-1 flame retardant rating and wide operating temperature range (-40°F to 221°F)

Which applications are best suited for this 15-foot 4/2 marine cable?

CONEPY’s 4 AWG duplex cable fits many power and grounding needs across marine, RV, automotive, and off-grid solar systems. Use it for battery-to-inverter runs, trolling motors, LED power feeds, speaker power, and other moderate- to high-current circuits where durability and low loss are required.

• Battery connections, inverter and charger leads
• Trolling motors, starter feeds, and lighting circuits
• RV and van electrical upgrades, solar array and inverter wiring

How easy is the cable to install and terminate?

The multi‑strand tinned copper core keeps the cable flexible for routing through bilges, conduits, and tight panels. Standard 4 AWG sizing accepts common lugs and terminals, and the PVC jacket can be neatly stripped for soldering, crimping, or using heat-shrink insulated connectors.

• Flexible 299-strand conductors simplify bends and routing
• Compatible with common 4 AWG lugs and crimping tools
• PVC jacket strips cleanly for reliable terminations

Who is this for: CONEPY 4 Gauge Marine Wire is intended for boat owners, RV and camper converters, van builders, solar DIYers, and technicians who need a short run of robust, corrosion-resistant power cable. Choose this 15-foot duplex 4 AWG when you want a balance of high conductivity, marine-grade protection, and easy handling for battery, motor, and inverter connections.