--- product_id: 656183105 title: "4 Gauge Marine Wire,4 AWG 20ft Duplex Marine Grade Wire Tinned Copper Heavy Duty Sheathed Cable for Boat/Automotive/RV/Camper/Trailer" brand: "novino" price: "¥39833" currency: JPY in_stock: true reviews_count: 9 category: "Novino" url: https://www.desertcart.jp/products/656183105-4-gauge-marine-wire-4-awg-20ft-duplex-marine-grade store_origin: JP region: Japan --- # 4 AWG heavy gauge power 105°C dry / 75°C wet rated Tinned copper anti-corrosion 4 Gauge Marine Wire,4 AWG 20ft Duplex Marine Grade Wire Tinned Copper Heavy Duty Sheathed Cable for Boat/Automotive/RV/Camper/Trailer **Brand:** novino **Price:** ¥39833 **Availability:** ✅ In Stock ## Summary > ⚓ Power your adventures with wire that’s as tough as you are! ## Quick Answers - **What is this?** 4 Gauge Marine Wire,4 AWG 20ft Duplex Marine Grade Wire Tinned Copper Heavy Duty Sheathed Cable for Boat/Automotive/RV/Camper/Trailer by novino - **How much does it cost?** ¥39833 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/656183105-4-gauge-marine-wire-4-awg-20ft-duplex-marine-grade) ## Best For - novino enthusiasts ## Why This Product - Trusted novino brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Marine-Grade Durability:** Tinned copper strands resist corrosion & oxidation for long-lasting reliability in harsh saltwater environments. - • **Extreme Environment Ready:** PVC insulation rated for 105°C dry and 75°C wet conditions withstands heat, abrasion, and temperature fluctuations. - • **Heavy-Duty Power Capacity:** True 4 AWG gauge supports up to 600V, perfect for high-demand marine, automotive, and RV electrical systems. - • **Versatile Multi-Use Wiring:** Ideal for everything from underwater lights and bilge pumps to solar inverters and electric brakes—one wire, endless possibilities. - • **Certified Safety & Compliance:** Meets UL 1426, SAE, and ABYC standards, ensuring professional-grade quality and peace of mind on every project. ## Overview The NOVINO 4 Gauge Marine Wire is a 20ft duplex cable crafted from tinned copper for superior conductivity and corrosion resistance. Rated for 600 volts and temperatures up to 105°C dry/75°C wet, its thick PVC insulation ensures durability in extreme marine and outdoor conditions. Certified to UL 1426, SAE, and ABYC standards, this heavy-duty wire is engineered for versatile use across boats, RVs, trailers, and solar setups, delivering reliable, long-lasting performance where it matters most. ## Description Product description 4 Gauge Duplex Marine Wire Tinned Copper Boat Cable for Automotive Boat Outdoors Extreme Environments(Marine, Rivers, Lakes, Solar Applications) Our marine wire is made of real copper strands and tinned to make sure conduct well,resist corrosion, high durability,flexibility,stability for a long-lasting performance The heavy gauge electrical duplex marine wire is designed with a thick protective outer insulation coating makes it perfect for heavy-duty marine and other harsh external outdoor wiring projects Marine wire specifications Insulation Material: PVC Application: Marine and brake Conductor Material: Tinned copper Temperature: 105°C Dry/75°C Wet Gauge: 4AWG Max Voltage: 600V An excellent choice for wiring marine,automotive outdoor applications The 4 gauge marine wire red and black use in pontoon boat/bass boat/boat trailer/ fish finder/truck/RV/Van/ATV trailer electrical system For wiring light (spotlight,underwater light,flood light, navigation lights,headlight), solar inverters, shore power,bilge pump,extend new bank charger leads, speaker wire,electric brake wires, radio stereo, alarm etc Up to standard of UL 1426 ,SAE, ABYC etc ,our marine electrical copper boat cable with special PVC insulations can prevent Anti-corrosion,salt waterproof corrosion,extreme temperature fluctution,heat-shock, resist abrasion,wire oxidation ## Features - High Quality:Our marine electrical wire is made of tinned copper to make sure good conductivity,Anti-corrosion, high durability,flexibility,stability for a long-lasting performance - The marine grade duplex tinned copper wire is designed with a thick protective outer insulation coating makes it perfect for heavy-duty marine and other harsh external outdoor wiring projects - Multi Use: the 4 gauge marine wire tinned use in pontoon boat/bass boat/boat trailer/ fish finder/truck/RV/Van/ATV trailer electrical system:wiring light (spotlight,underwater light,flood light, navigation lights,headlight), solar inverters, shore power,bilge pump,extend new bank charger leads, speaker wire,electric brake wires, radio stereo, alarm etc - Up to standard of UL 1426 ,SAE, ABYC etc ,our heavy gauge marine wirecan perform the marine and other harsh environments of corrosion,open flame,extreme temperature fluctution,heat-shock,deformation, resist abrasion - Marine grade wire Spec:white PVC jacket, red&black conductor sheaths, tinned & stranded true 4 AWG 4/2 flat copper wire,4 awg wire is insulation rated to 600v, 105 degrees C dry, and 75 degrees C wet ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CYSYHSDT | | Best Sellers Rank | #360 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #1 in Boat Electric Wire | | Brand | NOVINO | | Brand Name | NOVINO | | Color | white, black | | Customer Reviews | 4.7 out of 5 stars 1,956 Reviews | | Included Components | Boating Wire | | Manufacturer | NOVINO | | Material | Copper | | Material Type | Copper | | Model | BC-068 | | No. of wires | 2 | | Number Of Wires | 2 | | Number of Cable Strands | 2 | | Part Number | BC-068 | | Strands | 2 | | Unit Count | 20.0 Feet | | Voltage | 600 Volts | ## Product Details - **Color:** white, black - **Brand:** NOVINO - **Material:** Copper - **Number of Cable Strands:** 2 - **Voltage:** 600 Volts ## Images ![4 Gauge Marine Wire,4 AWG 20ft Duplex Marine Grade Wire Tinned Copper Heavy Duty Sheathed Cable for Boat/Automotive/RV/Camper/Trailer - Image 1](https://m.media-amazon.com/images/I/61+r5nilObL.jpg) ## Available Options This product comes in different **Size, Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by G***. on March 20, 2026* ### ⭐⭐⭐⭐⭐ Review *by W***R on May 3, 2026* ### ⭐⭐⭐⭐⭐ Review *by B***B on March 10, 2026* --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/656183105-4-gauge-marine-wire-4-awg-20ft-duplex-marine-grade](https://www.desertcart.jp/products/656183105-4-gauge-marine-wire-4-awg-20ft-duplex-marine-grade) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-07-16*