{"product_id":"rvguard-4-prong-30a-generator-extension-cord-40ft-10-awg-sjtw-twist-lock-l14-30-weather-resistant","title":"RVGUARD 4-Prong 30A Generator Extension Cord 40ft - 10 AWG SJTW, Twist-Lock L14-30, Weather-Resistant","description":"\u003cp\u003e\u003cstrong\u003eRVGUARD 40-foot 4-prong 30A generator extension cord is a heavy-duty, weather-resistant SJTW 10 gauge cable with twist-lock connectors designed to deliver 125\/250V power safely between a generator and your RV or power device.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhether you need extra reach to position your generator at a safe distance, or you want a durable cable that withstands temperature extremes, this RVGUARD extension cord gives you long run capability with a locking connection. It’s ETL listed and built for outdoor use, combining a big-gauge copper conductor with a flexible all-weather jacket and a storage solution for easy transport.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this extension cord keep my generator connection secure?\u003c\/h3\u003e\n\u003cp\u003eThe cord uses NEMA L14-30P to L14-30R twist-lock connectors so plugs stay engaged under tension and vibration. A reinforced strain-relief design at both ends reduces pull-out risk during setup and operation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTwist-lock L14-30 connectors prevent accidental disconnection.\u003c\/li\u003e\n  \u003cli\u003eStrain relief at plug exits minimizes cable stress.\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty molded ends resist cracking and wear.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this cable suitable for extreme weather and long outdoor runs?\u003c\/h3\u003e\n\u003cp\u003eThe SJTW thermoplastic jacket is formulated for wide temperature ranges, remaining flexible from -40°F up to 221°F so it resists cracking, hardening, and surface damage. The 10 AWG copper conductors provide lower voltage drop than thinner cables on long runs, reducing heat buildup during extended use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWeather-resistant jacket for cold and hot climates.\u003c\/li\u003e\n  \u003cli\u003e10 gauge pure copper for reliable current capacity and thermal performance.\u003c\/li\u003e\n  \u003cli\u003e40-foot length allows safe generator placement away from structures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat safety and usability features does the RVGUARD cord include?\u003c\/h3\u003e\n\u003cp\u003eThis cord is ETL listed to indicate independent testing for electrical safety. Practical touches—like a color-coded storage bag and included organizer—make setup, transport, and storage easier for RVers, contractors, and homeowners alike.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eETL listing for verified safety standards compliance.\u003c\/li\u003e\n  \u003cli\u003eCompact storage bag with handle keeps cord tangle-free.\u003c\/li\u003e\n  \u003cli\u003eBright jacket color improves visibility and trip-hazard awareness.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow will this cord fit into my camping or backup power setup?\u003c\/h3\u003e\n\u003cp\u003eThe 40-foot length provides extra reach so you can park a generator at a safe distance from living areas while still powering an RV, transfer switch, or heavy-duty loads. The twist-lock ends make it suitable for many common 30A generator outlets and transfer panels.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits standard L14-30 generator and transfer-panel receptacles.\u003c\/li\u003e\n  \u003cli\u003eLong enough to place generator away from fumes and noise.\u003c\/li\u003e\n  \u003cli\u003eDurable construction for repeated seasonal use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: RVGUARD’s 4-prong 30A 40-foot extension cord is aimed at RV owners, contractors, campers, and homeowners who need a reliable, long-reach power link from portable generators or transfer switches. Choose this cable if you prioritize a locking connection, weather-resistant flexibility, and easy storage for regular outdoor use.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can this cord handle continuous running from a generator?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The 10 AWG copper conductors reduce heat buildup and are rated for continuous 30A loads when used within intended limits.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this extension cord safe for cold-weather use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The SJTW jacket stays flexible down to -40°F, resisting cracking and maintaining performance in cold conditions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"RVGUARD","offers":[{"title":"Default Title","offer_id":56843649089876,"sku":"B085HMJFDQ","price":165.73,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/rvguard-twist-lock-front-connector.jpg?v=1787081363","url":"https:\/\/gardenluxe.co.uk\/products\/rvguard-4-prong-30a-generator-extension-cord-40ft-10-awg-sjtw-twist-lock-l14-30-weather-resistant","provider":"Gardenluxe Uk","version":"1.0","type":"link"}