Is nema 6-50 receptacle profitable to sell on Amazon United States?

The niche generates $86K/yr across 31 tracked products. 2 of 6 products launched in the last 360 days are still selling. 90-day search growth is -6.8%. Flapen's verdict: Worth a look (53/100).

How competitive is the nema 6-50 receptacle niche?

21 brands and 88 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 62% of demand.

What do buyers complain about in nema 6-50 receptacle?

Top complaints mined from reviews: Quality-Overall, Size-Overall, Water Resistance. The return rate is 2.0%.

When does demand for nema 6-50 receptacle peak?

Demand is steady year-round — the busiest month runs 1.4× the quietest.

What does it cost to enter the nema 6-50 receptacle niche?

Listings span $9.61–$99.40; the average listing price is $21.80 (sweet spot $15–$100). The average incumbent carries 225 reviews — the moat a new listing must climb.

nema 6-50 receptacle

Worth a look

Shows a sweet-spot price point ($21.80 avg), but a small market ($86K/yr) keeps it on the watch list.

Avg price

Great$21.80

avg listing price — sweet spot $15–$100

Price range

Great$9.61–$99.40

cheapest to priciest tracked listing — scored on the share inside $15–$100

Review moat

Great225.35

avg incumbent reviews — the moat a new listing must climb

Conversion

Great10.0%

search→purchase rate — share of searches ending in a sale

Returns

Good2.0%

return rate — above 5% kills the launch gate

Brand share

Good62%

top-5 brand share — brands hold most of the demand

Competition

Good54%

top-5 click share — leaders hold, buyers still browse

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Market size

Bad$86K

$86K/yr · 40K searches

Growth

Bad-6.8%

90-day search growth — must beat 0% to launch

Signals No Dominant Brand

According to Flapen's Amazon United States niche tracking, nema 6-50 receptacle is a $86K/yr Amazon United States market (40K searches/yr). The top 5 brands hold 62% of demand. Verdict: Worth a look — 53/100.

Data updated Jul 6, 2026 · scored weekly · How we score niches

nema 6-50 receptacle market data

Units sold / yr: 4K–5K; avg 100–250/product
Revenue / yr: $87K–$109K; units × avg price
Conversion rate: 10.0%
Avg BSR: #202
Page quality: 0%
Prime: 100%
Sponsored: 90%
Out of stock: 4.6%
Avg brand age: 54 months
Avg seller age: 172 days

Competition & brand share

The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.

Brands

21 rising

Sellers

Top-5 brand share

62%

Top 20: 99%

Top-5 click share

54%

Top 20: 91%

Open market

30%

micmi14%
Leviton14%
STARELO12%
DEALTUS11%
ENERLITES11%
Suplevel7%

Demand & seasonality

Weekly Amazon search volume, last 109 weeks — -6.8% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top nema 6-50 receptacle search terms

nema 6-50r14K/yr +10.4%6.2% conv.
6-50r8K/yr -12.4%5.4% conv.
6-50r receptacle6K/yr -14.1%7.6% conv.
nema 6-50r receptacle5K/yr -30.0%7.0% conv.
nema 6-50 outlet3K/yr +7.7%5.2% conv.
nema 6-50 receptacle3K/yr -26.3%6.5% conv.

All search terms

Top nema 6-50 receptacle products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Leviton 50 Amp 250 Volt Flush Mounting Receptacle Straight Blade Industrial Grade Grounding 1-Pack 5374-S00 Black

Leviton$14.354.8★1,523 rev

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$25.724.7★395 rev

ENERLITES 50A Power Outlet NEMA 6-50R 250V Black

ENERLITES$9.764.7★512 rev

Micmi NEMA 6-50R Receptacle 2-Pole 3-Wire Surface Mount Power Receptacle 250V 50A UL Listed Black (NEMA 6-50R)

micmi$11.964.8★411 rev

NEMA 6-50R 50A 250V ETL Listed Welder 3-Prong Female Receptacle

DEALTUS$15.364.6★134 rev

Newest

by launch date

FLRBAGSTO NEMA 6-50 Outlet 2 Pole 3 Wire 250 Volt 50 Amp Surface Mount Receptacle for Welders and Plasma Cutters Industrial Grade UL Listed Black

FLRBAGSTO$13.0131 rev

2mo ago

NEMA 6-50R Receptacle 50AMP 250Volt 2-Pole 3-Wire Connector 50A AC Industrial Grade Cord End Female Socket DIY Heavy Duty Industrial Grade Outlet for Dryer Stove RV & Generator ETL Listed (Black)

HUARLPLUG$15.2511 rev

6mo ago

Suplevel NEMA 6-50 Welder Plug & Connector Set 50 Amp 3-Prong 250 Volt

Suplevel$29.7825 rev

8mo ago

NEMA 6-50R 220V Outlet Box Installation Kit ETL 50A 3-Prong Dryer Receptacle UL 4 2-Gang Metal Electrical Box Plaster Ring Surface Flush Mount Exposed Work Cover Faceplate Clamp Connector

HYDUUU$24.8131 rev

8mo ago

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$9.6171 rev

11mo ago

What buyers say about nema 6-50 receptacle

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall31%

“This is a great quality outlet”

Assembly/Installation9%

“easy to mount”

Advertised Vs Actual Product8%

“Worked well, as advertised”

Strength7%

“Sturdy, reliable, and easy to install”

Value For Money6%

“Good product for the price”

Ease Of Use5%

“Easy to use”

Socket/Port/Plug5%

“Looks like a nice heavy duty plug”

Efficiency3%

“Worked good for making up a extension cord for qelder”

Size-Overall3%

“Perfect fit”

Durability3%

“The build quality feels strong and durable, easily handling heavy-duty use”

What buyers complain about

Quality-Overall8%

“Cheap slotted set screws”

Size-Overall8%

“ground wire is cut shorter than the other two”

Water Resistance5%

“Because of the design it would not be a good plug in wet environments”

Rusts/Corrodes5%

“I was concerned about corrosion”

Certifications4%

“I'd be really surprised if an OSHA, building, or EE inspector would sign off on this”

Functionality-Overall3%

“Faceplate issues”

Design-Overall3%

“it is cheap flimsy construction”

Grip2%

“I think the female socket doesn't grip against pull-out as much as I'd like”

Suitable For Outdoor2%

“DEFINITELY do not use this plug outdoors or in a carport”

Defective Material/Parts2%

“Electrical parts”

Top return reasons

Size-Overall27%

Compatibility-Overall16%

Advertised Vs Actual Product11%

Socket/Port/Plug8%

Defective Material/Parts7%

Functionality-Overall6%

Quality-Overall4%

Value For Money4%

Connectivity-Overall3%

Assembly/Installation3%

Common questions

Is nema 6-50 receptacle profitable to sell on Amazon United States?: The niche generates $86K/yr across 31 tracked products. 2 of 6 products launched in the last 360 days are still selling. 90-day search growth is -6.8%. Flapen's verdict: Worth a look (53/100).
How competitive is the nema 6-50 receptacle niche?: 21 brands and 88 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 62% of demand.
What do buyers complain about in nema 6-50 receptacle?: Top complaints mined from reviews: Quality-Overall, Size-Overall, Water Resistance. The return rate is 2.0%.
When does demand for nema 6-50 receptacle peak?: Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the nema 6-50 receptacle niche?: Listings span $9.61–$99.40; the average listing price is $21.80 (sweet spot $15–$100). The average incumbent carries 225 reviews — the moat a new listing must climb.