{"product_id":"100m-roll-of-key-4b-s-20-29mm-twin-core-automotive-cable","title":"100m Roll of KEY 4B\u0026S (20.29mm²) Twin Core Automotive Cable","description":"\u003ch2\u003e100m Roll of KEY 4B\u0026amp;S (20.29mm²) Twin Core Automotive Cable\u003c\/h2\u003e\n\n\u003ch3\u003eHeavy-Duty Twin Core Automotive Cable for Reliable Power and Earth Connections\u003c\/h3\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e100m Roll of KEY 4B\u0026amp;S (20.29mm²) Twin Core Automotive Cable\u003c\/strong\u003e is designed for high-performance DC power applications where reliability, efficiency, and durability are essential. Featuring two insulated conductors within a single outer sheath, this premium twin core cable simplifies installation while providing a neat, professional wiring solution for automotive, marine, caravan, off-grid, and industrial electrical systems. Manufactured using \u003cstrong\u003eOxygen Free High Conductivity (OFHC) copper\u003c\/strong\u003e, it delivers superior current flow, reduced voltage drop, and dependable long-term performance.\u003c\/p\u003e\n\n\u003ch3\u003eAbout KEY Tubing \u0026amp; Electrical\u003c\/h3\u003e\n\u003cp\u003eKEY Tubing \u0026amp; Electrical (KTE) is an Australian-owned manufacturer with over 60 years of industry experience supplying electrical, cable, tubing, and custom-engineered solutions to industries across Australia and around the world. Based in South Australia, KEY is known for its commitment to quality manufacturing, rigorous quality standards, and reliable products designed for demanding automotive, electrical, industrial, and resource sector applications. KEY continues to support Australian industry with a strong focus on performance, durability, and dependable engineering.\u003c\/p\u003e\n\n\u003ch3\u003ePremium OFHC Copper for Maximum Conductivity\u003c\/h3\u003e\n\n\u003cp\u003eAt the heart of this \u003cstrong\u003e4B\u0026amp;S twin core automotive cable\u003c\/strong\u003e is high-purity OFHC copper, which provides lower electrical resistance compared to standard copper conductors. This results in improved efficiency, reduced heat generation, and better voltage retention across longer cable runs. Whether powering battery systems, inverters, chargers, or auxiliary equipment, the cable helps ensure stable and consistent power delivery.\u003c\/p\u003e\n\n\u003cp\u003eThe flexible multi-strand conductor design also improves durability in environments subject to vibration, movement, and temperature fluctuations. This makes it ideal for installations in vehicles, boats, caravans, heavy machinery, and renewable energy systems where long-term reliability is critical.\u003c\/p\u003e\n\n\u003ch3\u003eIdeal for 12V, 24V and 48V Electrical Systems\u003c\/h3\u003e\n\n\u003cp\u003eWith a conductor size of \u003cstrong\u003e20.29mm² per core (4B\u0026amp;S)\u003c\/strong\u003e, this cable is commonly used for medium to high-current applications requiring both positive and negative conductors within a single cable assembly. The twin core design reduces installation time while providing additional protection against abrasion and environmental exposure. It is suitable for modern 12V automotive systems, 24V commercial vehicle installations, and 48V lithium battery applications.\u003c\/p\u003e\n\n\u003ch4\u003eCommon Applications Include:\u003c\/h4\u003e\n\n\u003cul\u003e\n\u003cli\u003eDual battery systems in 4WDs and touring vehicles\u003c\/li\u003e\n\u003cli\u003eCaravan and camper trailer battery installations\u003c\/li\u003e\n\u003cli\u003eMarine battery banks and onboard electrical systems\u003c\/li\u003e\n\u003cli\u003eDC-DC charger and battery charger wiring\u003c\/li\u003e\n\u003cli\u003eSolar battery storage and off-grid power systems\u003c\/li\u003e\n\u003cli\u003eInverter installations and auxiliary power distribution\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBuilt for Harsh Australian Conditions\u003c\/h3\u003e\n\n\u003cp\u003eManufactured to comply with \u003cstrong\u003eAS\/NZS 1125\u003c\/strong\u003e conductor standards and \u003cstrong\u003eAS\/NZS 3808:2000\u003c\/strong\u003e insulation requirements, this cable is designed to handle the challenges of demanding automotive and industrial environments. The V90 insulation offers excellent resistance to heat, abrasion, oils, fuels, and common automotive chemicals while maintaining flexibility for easier installation.\u003c\/p\u003e\n\n\u003cp\u003eThe twin core construction keeps positive and negative conductors neatly contained within a durable outer sheath, helping to reduce cable clutter and improve protection. This makes it particularly popular for long cable runs between batteries, chargers, solar systems, and auxiliary equipment.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features \u0026amp; Specifications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eConductor Size: 20.29mm² per core (4B\u0026amp;S)\u003c\/li\u003e\n\u003cli\u003eTwin core design for positive and negative wiring circuits\u003c\/li\u003e\n\u003cli\u003ePremium Oxygen Free High Conductivity (OFHC) copper conductors\u003c\/li\u003e\n\u003cli\u003eSuitable for 12V, 24V and 48V electrical systems\u003c\/li\u003e\n\u003cli\u003eLow voltage drop for efficient power transfer over long distances\u003c\/li\u003e\n\u003cli\u003eFlexible multi-strand construction for easier installation\u003c\/li\u003e\n\u003cli\u003eV90 insulation for superior durability and heat resistance\u003c\/li\u003e\n\u003cli\u003eManufactured to AS\/NZS 1125 and AS\/NZS 3808:2000 standards\u003c\/li\u003e\n\u003cli\u003e100m roll ideal for workshops, fleet maintenance and large-scale projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect for Caravan, Marine, Off-Grid and Industrial Applications\u003c\/h3\u003e\n\n\u003cp\u003eWhether you're installing a \u003cstrong\u003e4WD dual battery system\u003c\/strong\u003e, wiring a \u003cstrong\u003ecaravan lithium battery setup\u003c\/strong\u003e, connecting a \u003cstrong\u003emarine battery bank\u003c\/strong\u003e, building an \u003cstrong\u003eoff-grid solar power system\u003c\/strong\u003e, or completing a commercial electrical installation, the KEY 4B\u0026amp;S (20.29mm²) Twin Core Automotive Cable provides the strength, conductivity, and reliability required for professional-grade results. Suitable for caravan, RV, marine, off-grid, industrial, commercial vehicle, solar, and battery storage applications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eUpgrade your power system today with KEY 4B\u0026amp;S Twin Core Automotive Cable and enjoy efficient, dependable power delivery across every installation.\u003c\/strong\u003e\u003c\/p\u003e\n","brand":"Key","offers":[{"title":"Default Title","offer_id":47482833535125,"sku":"Key-KABC2TW2873BK-100","price":1999.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/8974\/5557\/files\/4b_s1.webp?v=1782443298","url":"https:\/\/www.exotronic.com.au\/products\/100m-roll-of-key-4b-s-20-29mm-twin-core-automotive-cable","provider":"Exotronic","version":"1.0","type":"link"}