{"product_id":"50-amp-generator-cord-and-inlet-box-25ft-weatherproof-power","title":"50 Amp Generator Cord and Inlet Box 25FT - Weatherproof Power","description":"\u003cp\u003eIn this review the Marsflex 50 Amp generator cord and power inlet box is evaluated for homeowners and RV or backup power users who need a heavy-duty, weatherproof connection. The bottom line: this kit is for anyone who wants a reliable 125\/250V, 12500 watt hookup with improved conductivity and a durable exterior. The included inlet box with a flip-open cover and LED indicator plus a 25 ft, 100% copper cord make it a practical choice for seasonal power outages, generator hookups at a cabin, or connecting portable power to a home panel.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% copper conductors:\u003c\/strong\u003e provides better conductivity for stable delivery of up to 12500 watts, which reduces voltage drop over the 25 ft run.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeatherproof inlet box:\u003c\/strong\u003e the pre-drilled SS2-50P inlet box with a flip-open cover offers NEMA 3R level protection so the connection stays protected from wind and rain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwist-lock and ergonomic plugs:\u003c\/strong\u003e the NEMA SS2-50R twist locking female and NEMA 14-50P male plugs keep the connection secure while the ergonomic finger grip eases plugging and unplugging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable outer jacket:\u003c\/strong\u003e flame-retardant PVC wrapping makes the cord more wear-resistant and water-resistant for outdoor use and longer service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED power indicator:\u003c\/strong\u003e the green indicator on the inlet box cap lets you tell at a glance when power is present without opening the cover.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible mounting options:\u003c\/strong\u003e the inlet box arrives pre-drilled in four directions to allow connections from left, right, bottom, or rear for easier installs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis product is aimed at homeowners, RV owners, and small property managers who need a robust generator-to-panel connection capable of handling 125\/250V circuits up to 12500 watts. It suits people installing a dedicated inlet for backup power or frequent seasonal use where weather exposure is a concern.\u003c\/p\u003e\n\u003cp\u003eIt is less appropriate for users who need longer runs than 25 ft, require custom wiring beyond the provided STW 6\/3 + 8\/1 gauge, or who need an inlet without a twist-lock female configuration. Professional electricians should verify compatibility with local codes during installation.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eStrong conductivity from 100% copper wiring improves power stability for heavy loads.\u003c\/li\u003e\n\u003cli\u003eWeatherproof inlet box with LED indicator makes outdoor installation practical and easy to check.\u003c\/li\u003e\n\u003cli\u003eTwist-lock female plug and ergonomic male grip help secure and simplify connections.\u003c\/li\u003e\n\u003cli\u003ePre-drilled inlet box provides flexible wiring entry options for straightforward mounting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e25 ft length may be short for some setups that require a longer reach.\u003c\/li\u003e\n\u003cli\u003eThe kit uses the supplied wire gauge and connectors, so installers needing different configurations must modify or replace parts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e25 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e125V \/ 250V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum wattage\u003c\/td\u003e\n\u003ctd\u003e12500 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire gauge\u003c\/td\u003e\n\u003ctd\u003eSTW 6\/3 + 8\/1 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMale plug\u003c\/td\u003e\n\u003ctd\u003eNEMA 14-50P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFemale inlet\u003c\/td\u003e\n\u003ctd\u003eNEMA SS2-50R twist-lock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eETL Listed, NEMA 3R protection level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Marsflex 50 Amp generator cord and inlet box is a solid value for anyone installing a weatherproof, reliable 125\/250V generator connection without needing custom-length cable. Its 100% copper conductors, ETL listing, twist-lock inlet and LED indicator combine into a practical kit for backup power or RV use. Those who need longer runs or alternate connector types should plan accordingly, but for typical outdoor inlet installations this kit covers the essentials well.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this inlet box suitable for outdoor installation?\u003c\/strong\u003e\u003cbr\u003eYes. The inlet box is designed to NEMA 3R level protection with a flip-open cover and ETL listing for weather resistance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this cord handle a full 50 Amp load?\u003c\/strong\u003e\u003cbr\u003eYes. The cord is rated for 125\/250V up to 12500 watts and uses STW 6\/3 + 8\/1 AWG with 100% copper conductors for reliable performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the inlet show when power is available?\u003c\/strong\u003e\u003cbr\u003eYes. There is a green LED indicator on the inlet box cap that shows when power is present without opening the cover.\u003c\/p\u003e","brand":"Marsflex","offers":[{"title":"Default Title","offer_id":48247137272027,"sku":"B0CZ8X5NNY","price":138.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71ylamsBh4L._AC_SL1500.jpg?v=1776278384","url":"https:\/\/gearmusthave.com\/products\/50-amp-generator-cord-and-inlet-box-25ft-weatherproof-power","provider":"GearMustHave","version":"1.0","type":"link"}