{"product_id":"southwire-10-4-50-ft-stw-30a-generator-cord-heavy-duty-twist-lock","title":"Southwire 10\/4 50 ft STW 30A Generator Cord - Heavy Duty Twist Lock","description":"\u003cp\u003eOur review of the Southwire 10\/4 50 ft STW 30A generator cord finds it best suited for RV owners, campers and anyone needing a reliable extension between a generator and an L14-30 inlet. The single biggest reason to buy is simple: the 50 ft length paired with a heavy gauge 10\/4 conductor provides a durable, low-loss connection for 30A generator feeds, and the twist locking NEMA L14-30 plug and receptacle help keep the connection secure while in use. This review focuses on build, weather resistance and everyday campsite practicality.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 ft length:\u003c\/strong\u003e Provides ample reach to position a generator away from an RV or campsite while maintaining a proper connection without stretching or tension.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 gauge 4-conductor:\u003c\/strong\u003e Thick wiring reduces voltage drop for 30A service, which helps keep appliances and air conditioners running more reliably.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSTW\/SJTW jacket:\u003c\/strong\u003e The heavy duty cord jacket resists moisture, chemicals and abrasions so it holds up to typical outdoor use around campgrounds and work sites.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNEMA L14-30 twist lock:\u003c\/strong\u003e The locking plug and receptacle lock tightly to prevent accidental unplugging when cords snag or vibration occurs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolded connectors:\u003c\/strong\u003e Tough molded ends increase durability at the stress points where cords are most likely to suffer damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeather resistant:\u003c\/strong\u003e Designed to withstand common elements encountered during RVing and outdoor power use, extending service life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis cord is ideal for RV and motorhome owners, campers and portable power users who need a dependable 30A extension that holds up to outdoor conditions. The 50 ft reach is convenient for parking flexibility and placing a generator at a safe distance from living areas.\u003c\/p\u003e\n\n\u003cp\u003eUsers who require longer runs, higher amperage, or hardwired permanent transfer solutions should look elsewhere; this product is a portable, flexible cord designed for temporary generator hookups rather than permanent electrical installations.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDurable 10\/4 construction minimizes voltage drop for 30A generator use.\u003c\/li\u003e\n\u003cli\u003eTwist locking L14-30 plug and receptacle keep the connection secure under movement.\u003c\/li\u003e\n\u003cli\u003eHeavy duty jacket and molded ends resist weather, moisture and abrasion.\u003c\/li\u003e\n\u003cli\u003e50 ft length gives practical reach for most RV and campsite setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAt 50 ft and 10 gauge, the cord is somewhat heavy to handle and store compared with shorter cables.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSouthwire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e50 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire Size\u003c\/td\u003e\n\u003ctd\u003e10\/4 (10 gauge, 4 conductor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRating\u003c\/td\u003e\n\u003ctd\u003e30A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlug\/Receptacle\u003c\/td\u003e\n\u003ctd\u003eNEMA L14-30 twist lock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJacket Type\u003c\/td\u003e\n\u003ctd\u003eSJTW \/ STW heavy duty weather resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLimited lifetime\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Southwire 10\/4 50 ft STW 30A generator cord is a solid choice for RV owners and portable power users who need a dependable, weather resistant twist lock extension. It strikes a practical balance between durability and reach, making it good value for seasonal use where secure connections and reduced voltage drop matter.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this cord suitable for RV air conditioners?\u003c\/strong\u003e\u003cbr\u003eThe 10\/4 30A construction is appropriate for common RV air conditioners on a 30A service, and the heavy gauge helps reduce voltage drop on a 50 ft run.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill the twist lock keep the cord from unplugging?\u003c\/strong\u003e\u003cbr\u003eYes, the NEMA L14-30 twist lock plug and receptacle lock tightly to resist accidental disconnection from movement or vibration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this be used outdoors in bad weather?\u003c\/strong\u003e\u003cbr\u003eThe heavy duty SJTW\/STW jacket and molded connectors are weather resistant to moisture, chemicals and abrasions for typical outdoor conditions.\u003c\/p\u003e","brand":"Southwire","offers":[{"title":"Default Title","offer_id":48745410101467,"sku":"B0812J2D8L","price":121.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81e_SquE4qL._AC_SL1500.jpg?v=1778961038","url":"https:\/\/gearmusthave.com\/products\/southwire-10-4-50-ft-stw-30a-generator-cord-heavy-duty-twist-lock","provider":"GearMustHave","version":"1.0","type":"link"}