--- title: "nema 6-50 receptacle — Niche Verdict: Skip it (44/100) | Amazon United States - Flapen" canonical_url: "https://flapen.com/amazon/research/us/appliances/nema-6-50-receptacle" last_updated: "2026-07-10T00:03:43.558Z" locale: en meta: description: "a small market ($61K/yr) — nema 6-50 receptacle doesn't clear our bar today." "og:description": "a small market ($61K/yr) — nema 6-50 receptacle doesn't clear our bar today." "og:title": "nema 6-50 receptacle — Niche Verdict: Skip it (44/100) | Amazon United States - Flapen" --- Back to Flapen home # **nema 6-50 receptacle** **Skip it****44/100 ** a small market ($61K/yr) — nema 6-50 receptacle doesn't clear our bar today. **Market/yr** **$61K** **Growth (1y)** **+132.3%** **Products** **28** **Brands** **19** was 14 a year ago **Sellers** **87** **Price range** **$9.65–$99.25** **Returns** **2.0%** **Rating** **4.6★** **Skip it** Scored 44/100 across market size, growth, competition, quality gap, and returns. Market sizeGrowthCompetitionQuality gapReturns Market size **3** ×0.30 Growth **69** ×0.30 Competition **56** ×0.20 Quality gap **28** ×0.10 Returns **84** ×0.10 ## **Demand** Weekly Amazon search volume, last 104 weeks — +132.3% year over year. 976488Spike '25Jul '24Nov '24Mar '25Jun '25Oct '25Feb '26 ## **Seasonality** Monthly demand index across the year — 1.00 is average. JFMAMJJASOND No pronounced peak months · busiest ÷ quietest = 1.4× ## **Competition** - micmi17% - Leviton15% - DEALTUS12% - STARELO11% - Suplevel8% - EDYCARX7% - Other (13 brands)29% The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them. 19 brands and 87 sellers compete here. **Brands** **19 **▲rising was 14 a year ago **Sellers** **87** **Top 5 brand share** **63%** #ProductBrandPriceRatingReviewsClick shareTrend 1 ![Leviton 50 Amp 250 Volt Flush Mounting Receptacle Straight Blade Industrial Grade Grounding 1-Pack 5374-S00 Black](https://m.media-amazon.com/images/I/41RU03bh90L.jpg) [**Leviton 50 Amp 250 Volt Flush Mounting Receptacle Straight Blade Industrial Grade Grounding 1-Pack 5374-S00 Black**](https://www.amazon.com/dp/B01N8SKDY4) Leviton$14.534.8★1,52215%▲rising 2 ![Micmi NEMA 6-50R Receptacle 2-Pole 3-Wire Surface Mount Power Receptacle 250V 50A UL Listed Black (NEMA 6-50R)](https://m.media-amazon.com/images/I/317SCW8KiuL.jpg) [**Micmi NEMA 6-50R Receptacle 2-Pole 3-Wire Surface Mount Power Receptacle 250V 50A UL Listed Black (NEMA 6-50R)**](https://www.amazon.com/dp/B0B23V2T8N) micmi$11.884.8★40513%▼falling 3 ![STARELO 50Amp Power Outlet Box NEMA 6-50R Receptacle 250Volt Heavy-Duty Outdoor dustproof and Weatherproof for Electric Vehicles generators Welding Machines etc.ETL Listed.(NEMA 6-50R Box)](https://m.media-amazon.com/images/I/41Ms-80LlzL.jpg) [**STARELO 50Amp Power Outlet Box NEMA 6-50R Receptacle 250Volt Heavy-Duty Outdoor dustproof and Weatherproof for Electric Vehicles generators Welding Machines etc.ETL Listed.(NEMA 6-50R Box)**](https://www.amazon.com/dp/B0B84Y2RSY) STARELO$25.664.7★39111%▲rising 4 ![Nema 6-50R 50Amp 250V Female Welder Receptacle 50A 250V Welder 3-Prong Female ETL Listed 50A Welder Socket](https://m.media-amazon.com/images/I/41IP6UC1DJL.jpg) [**Nema 6-50R 50Amp 250V Female Welder Receptacle 50A 250V Welder 3-Prong Female ETL Listed 50A Welder Socket**](https://www.amazon.com/dp/B0DPGXQ766) DEALTUS$15.224.7★1258%▲rising 5 ![EDYCARX Nema 6-50 Receptacle with Square Wall Plate 50 Amp 250 Volt Outlet Flush Mounting Receptacle for Plasma Cutter and Welder Outlet 2-Pole 3-Wire Nema 6-50r Receptacle with Plate](https://m.media-amazon.com/images/I/31eykytl17L.jpg) [**EDYCARX Nema 6-50 Receptacle with Square Wall Plate 50 Amp 250 Volt Outlet Flush Mounting Receptacle for Plasma Cutter and Welder Outlet 2-Pole 3-Wire Nema 6-50r Receptacle with Plate**](https://www.amazon.com/dp/B0CMJBBT9F) EDYCARX$12.924.6★2946%▼falling 6 ![Suplevel 50 Amp 6-50R Outlet Box 250 Volt Enclosed Lockable Weatherproof Outdoor Electrical NEMA 6-50R Receptacle Panel Heavy Duty Box Pre-Drilled For Welder EV RV Electric Car Generator ETL Listed](https://m.media-amazon.com/images/I/41rxDZPalvL.jpg) [**Suplevel 50 Amp 6-50R Outlet Box 250 Volt Enclosed Lockable Weatherproof Outdoor Electrical NEMA 6-50R Receptacle Panel Heavy Duty Box Pre-Drilled For Welder EV RV Electric Car Generator ETL Listed**](https://www.amazon.com/dp/B099QH8Z5J) Suplevel$39.504.7★1665%▲rising 7 ![50 Amp 250V NEMA 6-50R Power Outlet Heavy-Duty 50A Receptacle for Welders Plasma Cutters Electric Ranges Dryers and More UL Listed micmi (NEMA 6-50R w/Square wallplate)](https://m.media-amazon.com/images/I/31-kSXd3q7L.jpg) [**50 Amp 250V NEMA 6-50R Power Outlet Heavy-Duty 50A Receptacle for Welders Plasma Cutters Electric Ranges Dryers and More UL Listed micmi (NEMA 6-50R w/Square wallplate)**](https://www.amazon.com/dp/B0C5S2NPQJ) micmi$10.764.7★1094%▲rising 8 ![ThunderWay Flush Mounting Receptacle NEMA 6-50R 50A 250V 2 Pole 3 Wire Grounding Straight Blade Heavy Duty Industrial Grade Power Receptacle (6-50R)](https://m.media-amazon.com/images/I/31F5UEHR11L.jpg) [**ThunderWay Flush Mounting Receptacle NEMA 6-50R 50A 250V 2 Pole 3 Wire Grounding Straight Blade Heavy Duty Industrial Grade Power Receptacle (6-50R)**](https://www.amazon.com/dp/B0FHH2JZ9G) ThunderWay$9.654.8★594%▲rising 9 ![NEMA 6-50R Receptacle 50A 250V Female Outlet 50 Amp 250 Volts Heavy Duty Industrial Grade Grounded Flush Mount Range Power Outlet for Welder Plasma Cutter UL Listed](https://m.media-amazon.com/images/I/31fUhBe93oL.jpg) [**NEMA 6-50R Receptacle 50A 250V Female Outlet 50 Amp 250 Volts Heavy Duty Industrial Grade Grounded Flush Mount Range Power Outlet for Welder Plasma Cutter UL Listed**](https://www.amazon.com/dp/B07XDNRC61) AIDA$10.134.7★2834%▲rising 10 ![ENERLITES 50 Amp 250V NEMA 6-50R Power Outlet Heavy-Duty 50A Receptacle for Welders Plasma Cutters Electric Ranges Dryers and More 2-Pole 3 Wire 65500-BK Black](https://m.media-amazon.com/images/I/315CzyUZHnL.jpg) [**ENERLITES 50 Amp 250V NEMA 6-50R Power Outlet Heavy-Duty 50A Receptacle for Welders Plasma Cutters Electric Ranges Dryers and More 2-Pole 3 Wire 65500-BK Black**](https://www.amazon.com/dp/B09J22D7WC) ENERLITES$9.834.7★5033%▼falling 11 ![RVGUARD NEMA 6-50R Receptacle 250 Volt 50 Amp Female Plug 6-50R Welder Replacement Receptacle](https://m.media-amazon.com/images/I/31jKP0g-oXL.jpg) [**RVGUARD NEMA 6-50R Receptacle 250 Volt 50 Amp Female Plug 6-50R Welder Replacement Receptacle**](https://www.amazon.com/dp/B08CDVKYP4) RVGUARD$14.344.4★2863%—flat 12 ![Nema 6-50R Female Welder Receptacle 50A 3-Prong ETL Listed Socket](https://m.media-amazon.com/images/I/4143r9I9JtL.jpg) [**Nema 6-50R Female Welder Receptacle 50A 3-Prong ETL Listed Socket**](https://www.amazon.com/dp/B0C7CGK4FN) DEALTUS$15.094.6★1372%▼falling 13 ![RVGUARD 50 Amp NEMA 6-50R Surface Mount Receptacle 125/250 Volt Power Outlet Yellow ETL Listed](https://m.media-amazon.com/images/I/31wIG6O34HL.jpg) [**RVGUARD 50 Amp NEMA 6-50R Surface Mount Receptacle 125/250 Volt Power Outlet Yellow ETL Listed**](https://www.amazon.com/dp/B08CDTZYL7) RVGUARD$9.904.5★1472%▲rising 14 ![Muelnmey 50Amp Power Outlet Box 250Volt NEMA 6-50R Receptacle Outdoor dustproof and Weatherproof for Electric Vehicles generators Welding Machines etc.ETL Listed](https://m.media-amazon.com/images/I/31eU2IC7caL.jpg) [**Muelnmey 50Amp Power Outlet Box 250Volt NEMA 6-50R Receptacle Outdoor dustproof and Weatherproof for Electric Vehicles generators Welding Machines etc.ETL Listed**](https://www.amazon.com/dp/B0BMTVK5T2) Muelnmey$25.174.7★2222%▲rising 15 ![Suplevel 50 Amp Power Outlet Box NEMA 6-50R 250 Volt EV Welder Receptacle Heavy Duty Outdoor Weatherproof with Waterproof Cable Glands 3 Pcs for Welding Machine EV Charger etc](https://m.media-amazon.com/images/I/41n6nyx+JzL.jpg) [**Suplevel 50 Amp Power Outlet Box NEMA 6-50R 250 Volt EV Welder Receptacle Heavy Duty Outdoor Weatherproof with Waterproof Cable Glands 3 Pcs for Welding Machine EV Charger etc**](https://www.amazon.com/dp/B0CYX4RW5G) Suplevel$27.804.8★702%—flat **~~Showing 15 of 28 — show all ~~** ## **Product shelf** All 28 tracked products in this niche. Top sellersNewestTrending [![Leviton 50 Amp 250 Volt Flush Mounting Receptacle Straight Blade Industrial Grade Grounding 1-Pack 5374-S00 Black](https://m.media-amazon.com/images/I/41RU03bh90L.jpg)**Leviton 50 Amp 250 Volt Flush Mounting Receptacle Straight Blade Industrial Grade Grounding 1-Pack 5374-S00 Black** Leviton**$14.53**4.8★1,522 reviews](https://www.amazon.com/dp/B01N8SKDY4) [![Micmi NEMA 6-50R Receptacle 2-Pole 3-Wire Surface Mount Power Receptacle 250V 50A UL Listed Black (NEMA 6-50R)](https://m.media-amazon.com/images/I/317SCW8KiuL.jpg)**Micmi NEMA 6-50R Receptacle 2-Pole 3-Wire Surface Mount Power Receptacle 250V 50A UL Listed Black (NEMA 6-50R)** micmi**$11.88**4.8★405 reviews](https://www.amazon.com/dp/B0B23V2T8N) [![STARELO 50Amp Power Outlet Box NEMA 6-50R Receptacle 250Volt Heavy-Duty Outdoor dustproof and Weatherproof for Electric Vehicles generators Welding Machines etc.ETL Listed.(NEMA 6-50R Box)](https://m.media-amazon.com/images/I/41Ms-80LlzL.jpg)**STARELO 50Amp Power Outlet Box NEMA 6-50R Receptacle 250Volt Heavy-Duty Outdoor dustproof and Weatherproof for Electric Vehicles generators Welding Machines etc.ETL Listed.(NEMA 6-50R Box)** STARELO**$25.66**4.7★391 reviews](https://www.amazon.com/dp/B0B84Y2RSY) [![Nema 6-50R 50Amp 250V Female Welder Receptacle 50A 250V Welder 3-Prong Female ETL Listed 50A Welder Socket](https://m.media-amazon.com/images/I/41IP6UC1DJL.jpg)**Nema 6-50R 50Amp 250V Female Welder Receptacle 50A 250V Welder 3-Prong Female ETL Listed 50A Welder Socket** DEALTUS**$15.22**4.7★125 reviews](https://www.amazon.com/dp/B0DPGXQ766) [![EDYCARX Nema 6-50 Receptacle with Square Wall Plate 50 Amp 250 Volt Outlet Flush Mounting Receptacle for Plasma Cutter and Welder Outlet 2-Pole 3-Wire Nema 6-50r Receptacle with Plate](https://m.media-amazon.com/images/I/31eykytl17L.jpg)**EDYCARX Nema 6-50 Receptacle with Square Wall Plate 50 Amp 250 Volt Outlet Flush Mounting Receptacle for Plasma Cutter and Welder Outlet 2-Pole 3-Wire Nema 6-50r Receptacle with Plate** EDYCARX**$12.92**4.6★294 reviews](https://www.amazon.com/dp/B0CMJBBT9F) [![Suplevel 50 Amp 6-50R Outlet Box 250 Volt Enclosed Lockable Weatherproof Outdoor Electrical NEMA 6-50R Receptacle Panel Heavy Duty Box Pre-Drilled For Welder EV RV Electric Car Generator ETL Listed](https://m.media-amazon.com/images/I/41rxDZPalvL.jpg)**Suplevel 50 Amp 6-50R Outlet Box 250 Volt Enclosed Lockable Weatherproof Outdoor Electrical NEMA 6-50R Receptacle Panel Heavy Duty Box Pre-Drilled For Welder EV RV Electric Car Generator ETL Listed** Suplevel**$39.50**4.7★166 reviews](https://www.amazon.com/dp/B099QH8Z5J) [![50 Amp 250V NEMA 6-50R Power Outlet Heavy-Duty 50A Receptacle for Welders Plasma Cutters Electric Ranges Dryers and More UL Listed micmi (NEMA 6-50R w/Square wallplate)](https://m.media-amazon.com/images/I/31-kSXd3q7L.jpg)**50 Amp 250V NEMA 6-50R Power Outlet Heavy-Duty 50A Receptacle for Welders Plasma Cutters Electric Ranges Dryers and More UL Listed micmi (NEMA 6-50R w/Square wallplate)** micmi**$10.76**4.7★109 reviews](https://www.amazon.com/dp/B0C5S2NPQJ) [![ThunderWay Flush Mounting Receptacle NEMA 6-50R 50A 250V 2 Pole 3 Wire Grounding Straight Blade Heavy Duty Industrial Grade Power Receptacle (6-50R)](https://m.media-amazon.com/images/I/31F5UEHR11L.jpg)**ThunderWay Flush Mounting Receptacle NEMA 6-50R 50A 250V 2 Pole 3 Wire Grounding Straight Blade Heavy Duty Industrial Grade Power Receptacle (6-50R)** ThunderWay**$9.65**4.8★59 reviews](https://www.amazon.com/dp/B0FHH2JZ9G) ## **Reviews** What buyers praise and complain about, mined from review topics. ### **What buyers love ** **Quality-Overall**30% *“This is a great quality outlet”* **Assembly/Installation**9% *“Easy to hook up”* **Advertised Vs Actual Product**8% *“Worked well, as advertised”* **Strength**6% *“Sturdy, reliable, and easy to install”* **Value For Money**6% *“Well worth the price”* **Socket/Port/Plug**5% *“Looks like a nice heavy duty plug”* **Ease Of Use**5% *“Easy to use”* **Efficiency**4% *“Worked good for making up a extension cord for qelder”* **Durability**3% *“The build quality feels strong and durable, easily handling heavy-duty use”* **Charging**3% *“about half to one hour worth of charge”* ### **What buyers complain about ** **Size-Overall**11% *“What I didn't like was the size of the interior”* **Quality-Overall**6% *“Cheap slotted set screws”* **Water Resistance**5% *“Because of the design it would not be a good plug in wet environments”* **Rusts/Corrodes**5% *“I was concerned about corrosion”* **Functionality-Overall**3% *“Faceplate issues”* **Advertised Vs Actual Product**3% *“One star for intentionally deceptive marketing”* **Thickness**3% *“Copper is used where it should and it too is thick and stout, as it should be”* **Material Quality**3% *“they are made cheaply”* **Certifications**2% *“I'd be really surprised if an OSHA, building, or EE inspector would sign off on this”* **Grip**2% *“I think the female socket doesn't grip against pull-out as much as I'd like”* #### **Top return reasons**- Size-Overall26% - Compatibility-Overall16% - Advertised Vs Actual Product14% - Defective Material/Parts7% - Socket/Port/Plug7% - Functionality-Overall5% - Value For Money4% - Connectivity-Overall4% - Quality-Overall3% - Assembly/Installation3%