Top 8 NEMA 6-50 Receptacle Box – Electrical Outlet Boxes

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1. Suplevel


Suplevel 50 Amp 6-50R Outlet Box 250 Volt, Enclosed Lockable Weatherproof Outdoor Electrical NEMA 6-50R Receptacle Panel Heavy Duty Power Box, for Welder EV RV Electric Car Generator, ETL Listed

Suplevel #ad - 6-50r outlet box50 amp 250 volt, nema 6-50 receptacle, heavy duty enclosed lockable weatherproof outdoor welder outlet box compatible with 50A welder/EV/RV cord. Best space designthere is plenty of room to close and lock the door when connected with the large handle 50A plug and heavy duty extension cord.

Easy to install & wireit is recommended that you wire through the top and operate by simply unscrewing the screws on the top cover. What you get50 amp nema 6-50 power outlet box, our friendly customer support and 18 month warranty. There are three knockouts on the bottom and the side, which need to be removed by using knockout punch set.

Lockable & weatherproofhigh quality box perfectly protects the power outlet, electric car, lockable swing cover when you are using electricity to ensure the safety of electricity, easy to connect and charge, generator, can be used for your RV, can be installed outdoors and indoors, welder, tesla, etc. Note: please do not use non-professional tools to knock it out vigorously to avoid deformation of the box.
BrandSuplevel #ad
ManufacturerSuplevel #ad
Part NumberNEMA650RB

2. Miady


Enclosed Lockable Weatherproof Outdoor Electrical NEMA 6-50R Receptacle Panel, Miady 50 Amp 6-50R Power Outlet Box 250 Volt, For Welder EV RV Electric Car Generator.

Miady #ad - What you get: 50 amp 6-50r power outlet with heavy duty box - We provide 24*7 friendly customer support and 18 months warranty. Please feel free to contact us. Lockable & weatherproof: high-quality box perfectly protects the power outlet, generator, which can be installed outdoors and indoors, electric car, Tesla, for easy hook up and charge and used in your motorhome, welder ect.

Heavy duty box easy to install & wire: it is recommended that you go through the top wiring and just unscrew the screw easily. There are plenty of good solid construction konckouts on the bottom and sides, if you choose to knock it out, you may need to spend some time with tools like knockout punch set or a hammer & a screwdriver.

Best space design: there is enough space to close and lock the door when connected with a big handle 50A rv plug and heavy duty very stiff rated wire. Etl listed: 50amp power outlet, nema 6-50r receptacle 250v with type 3R enclosure rainproof which compatible with 50A NEMA 6-50R welder/EV/RV cord.
BrandMiady #ad
ManufacturerMiady #ad



Straight Blade Welder Outlet, UL Listed, Heavy Duty, 2 Pole 3 Wire, ELEGRP 50 Amps 250V Flush Mounting Power Outlet, NEMA 6-50R Receptacle, 1 Pack, Grounding

ELEGRP #ad - Receptacles will accept copper or aluminum wire. Flammability rating is v-2 per ul94, neMA 6-50R, Industrial Grade and Heavy Duty, Grounding. Large and brass contacts produce superior contact pressure that results in outstanding conductivity.

Fits in both single and 2-Gang box styles. Easy installation terminals marked for easy identification and fast wiring. Flush receptacles are completely ready-to-wire, shorten installation time significantly. Specifications 50 amps 250v, 2 pole 3 wire, straight blade, ul listed. Toughened nylon housing + brass contacts Durable nylon construction provides high impact resistance.

Wide application widely use for heavy electrical dryers, ranges, EV Electric Vehicles, welders, outdoor electrical generators and other heavy duty and high power appliance. Terminal accepts #10, #8 to #4 AWG. Flush mount power outlet flush mount receptacle feature a heavy gauge galvanized steel mounting strap for corrosion resistance. Fits all wall plates with 2. 15" diameter center hole.
BrandELEGRP #ad
ManufacturerELEGRP #ad
Part Number2102S



Enclosed Lockable Weatherproof Outdoor Electrical, 50 Amp 250 Volt 6-50R Welding Power Outlet Box

CAMPER MATTERS #ad - Lid can be positioned to stay up while working with the box. Knockout hole by using knockout punch kit, multiple punching locations for you to choose. Wide use: perfect for application of high amperage industrial and commercial power connectivity.

Great design: there is enough space for close the lid while plugging the cord even with a big handle. The welding power Outlet box is ETL certificated, built to last. Lockable: camper matters power outlet box elevated cover with padlock prevents unauthorized use. Specification: nema 6-50r receptacle, accepts cord size up to 4AWG, 50amp 250v, designed for welding. Anti-theft lock enclosure. Convenience: heavy duty box, it can be installed indoors and outdoors for the convenience of your welding work. The box prevent the outlet from dust, water and other elements.
ManufacturerCAMPER MATTERS #ad
Part NumberCMWCP50

5. Leviton


Surface Mounting Receptacle, Straight Blade, Industrial Grade, Black, 250 Volt, Leviton 5378 50 Amp, Grounding

Leviton #ad - All mounting Hardware Included. 4 awg conductors. Heavy-gauge, double-Wipe Copper Alloy Contacts. Terminals marked for Easy Identification and Fast Wiring. Surface-mount devices are comercial grade and have concentric Knockouts for 3/4-Inch and 1-Inch Conduit And Adjustable Cord Clamp for Back and Bottom Entrance of Cable. Easy-to-wire terminals Accept up to No.
BrandLeviton #ad
ManufacturerLeviton #ad
Height12.75 Inches
Length12.75 Inches
Weight0.5 Pounds
Width12.25 Inches
Part NumberB01-05378-000
Warranty10 Year Limited

6. Southwire


125/250 Volt, 12,000 Watt, Portable Power Distributor Box for 50 amp, Southwire 019703R02 19703R02 Distribution Featuring 6 Straight Blade 1 Twist-Lock 30 Receptacle A Stackable, Yellow

Southwire #ad - Heavy duty 16 gauge steel stands up to rugged job sites with a corROSION RESISTANT powder coat finish, rated to NEMA-3 with rainproof weather-strip.

Inlet/input: powered by 1 50a, 000 watts locking california style cS-63, 125/250v, 12, compatible with 19180008 and 19190008 cords sold separately. X-treme box: cul us safety listed temporary power box provides safe and rugged work-site power distribution. Pass-through: 1 50a 125/250v 12, 000 watts locking California style CS-63, for running boxes in series. Outlets: 6 nema 5-20 2500-5000 watts, straight blade receptacles with independent GFCI modules & circuit breakers, weatherproof, twist-lock receptacle, 1 nema l6-30 7, 500 watts, weatherproof, with circuit breaker.
BrandSouthwire #ad
ManufacturerColeman Cable #ad
Height12.2 Inches
Length21.75 Inches
Weight1 Pounds
Width16.5 Inches
Part Number19703R02
Warranty1 year.

7. W Wallbox


By Wallbox, WiFi, Bluetooth, Pulsar Plus Level 2 Electric Vehicle Smart Charger, Indoor/Outdoor, 40 Amp NEMA Ultra Compact, Alexa and Google Home, UL Certified, 25 Foot Cable

W Wallbox #ad - Bluetooth & wifi connectivity and app adjustable power via the myWallbox app. 240-volt level 2 ev charging. Compact design, powerful performance, outdoor-ready, and NEMA 14-50 plug included.

Type 4 rated watertight. Power sharing: connect two or more chargers to a single circuit to charge multiple EVs at one time. Power boost: pair pulsar plus with our smart meter to enable maximum charging power even in homes with limited capacity. Charges 7x faster than the standard Level 1 120V charging cables. Eco-smart: use exclusively green energy from your solar panels or a mix of green + grid energy to charge your car.
BrandW Wallbox #ad
ManufacturerWallbox Chargers SL #ad
Height7.9 Inches
Length4 Inches
Width7.8 Inches
Part NumberPUP1-U-1-5-N-002-A

8. Cooper


Cooper 1252 Surface Mount 250V 50A NEMA 6-50R Receptacle

Cooper #ad - Use with copper or aluminum wires. Rating: 50 amps, 250 volts. Configuration: 2-pole, 3-wire, grounding. Nema 6-50r. Commercial and industrial grade.
BrandCooper #ad
ManufacturerCooper #ad
Height2.1 Inches
Length5 Inches
Width2.5 Inches
Part NumberOKI1252