Is nema 6-20 profitable to sell on Amazon United States?

The niche generates $34K/yr across 13 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +14.5%. Flapen's verdict: Skip it (39/100).

How competitive is the nema 6-20 niche?

8 brands and 39 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 89% of demand.

What do buyers complain about in nema 6-20?

Top complaints mined from reviews: Connectivity-Overall, Quality-Overall, Functionality-Overall. The return rate is 2.1%.

What does it cost to enter the nema 6-20 niche?

Listings span $5.71–$21.10; the average listing price is $11.42 (sweet spot $15–$100). The average incumbent carries 428 reviews — the moat a new listing must climb.

nema 6-20

Skip it

A small market ($34K/yr) — this niche doesn't clear our bar today.

Review moat

Great427.77

avg incumbent reviews — the moat a new listing must climb

Returns

Good2.1%

return rate — above 5% kills the launch gate

Conversion

Good5.8%

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

Avg price

Okay$11.42

avg listing price — sweet spot $15–$100

Growth

Okay+14.5%

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

Price range

Okay$5.71–$21.10

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

Brand share

Okay89%

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Competition

Okay69%

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

Market size

Bad$34K

$34K/yr · 51K searches

According to Flapen's Amazon United States niche tracking, nema 6-20 is a $34K/yr Amazon United States market (51K searches/yr). The top 5 brands hold 89% of demand. Verdict: Skip it — 39/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

nema 6-20 market data

Units sold / yr: 4K–5K; avg 250–500/product
Revenue / yr: $46K–$57K; units × avg price
Conversion rate: 5.8%
Avg BSR: #210
Page quality: 0%
Prime: 100%
Sponsored: 69%
Out of stock: 0.0%
Avg brand age: 46 months
Avg seller age: 179 days

Competition & brand share

The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.

Brands

8 falling

Sellers

Top-5 brand share

89%

Top 20: 100%

Top-5 click share

69%

Top 20: 100%

Open market

Leviton56%
ENERLITES16%
HUARLPLUG7%
WINXUS5%
YeDrop5%
Maxxima5%
Open — no brand owns it (2 brands, 6%)

Demand

Weekly Amazon search volume, last 16 weeks — +14.5% search growth over the last 90 days.

Open Trend

Top nema 6-20 search terms

nema 6-20r7K/yr +40.0%4.5% conv.
nema 6-20p6K/yr +14.0%3.4% conv.
nema 6-20 outlet6K/yr +30.0%5.0% conv.
nema 6-206K/yr +4.1%2.4% conv.
6-20r receptacle4K/yr +12.6%5.9% conv.
nema 6-20 plug4K/yr +21.4%3.1% conv.
6-20r4K/yr +7.2%6.0% conv.
nema 6-20r receptacle3K/yr +9.3%6.5% conv.
6-20p3K/yr +5.7%2.6% conv.
nema 6-20 receptacle3K/yr +17.4%4.4% conv.

All search terms

Top nema 6-20 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 13 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Leviton Single Receptacle Outlet Commercial Specification Grade Smooth Face 20 Amp 250 Volt Side Wire NEMA 6-20R 2-Pole 3-Wire White 5821-W

Leviton$5.714.8★2,063 rev

ENERLITES NEMA 6-20P Straight Blade Replacement Plug Connector Male Extension Cord Ends 20 Amp 250 Volt 2 Pole 3 Wire Grounding Industrial Grade Heavy Duty UL Listed 66230-BK Black

ENERLITES$10.614.6★269 rev

Leviton 5822-W Straight Blade Single Receptacle 250 Vac 20 A 2 Pole 3 Wire White

Leviton$8.924.7★864 rev

Right Angle NEMA 6-20P 20A 250V Plug WINXUS T-Blade Industrial Plug Easy Assembly - 20 Amp 250 Volt 3-Prong Male Angled Adapter Rotatable Connector for USA Canada

WINXUS$7.774.4★56 rev

Leviton 20 Amp 250 Volt Industrial Heavy Duty Grade Single Receptacle Straight Blade Self Grounding 5461-R Red

Leviton$21.104.8★575 rev

Newest

by launch date

Nema 6-20P 20A 250V Plug T-Blade 250Volt Industrial 20A Plug Easy Assembly 20Amp 250 Volt USA Canada 3-Prong Male Straight Blade Connector ETL Certified (1 Black / White)

HUARLPLUG$8.1810 rev

8mo ago

Nema 6-15R/6-20R 15A/20A 250V Receptacle 15Amp 250 Volt USA Canada 3-Prong Female Straight Blade Connector 15A Industrial Grade Cord Replacement Socket ETL (1 Black/White)

HUARLPLUG$8.254 rev

8mo ago

Maxxima 20A Tamper Resistant Single Receptacle Wall Outlet NEMA 6-20 2 Pk

Maxxima$12.61109 rev

2y ago

Right Angle NEMA 6-20P 20A 250V Plug WINXUS T-Blade Industrial Plug Easy Assembly - 20 Amp 250 Volt 3-Prong Male Angled Adapter Rotatable Connector for USA Canada

WINXUS$7.7756 rev

2y ago

YeDrop Single Electrical Receptacle Outlet 20A 250V White 1 Pack

YeDrop$7.4970 rev

3y ago

What buyers say about nema 6-20

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

What buyers love

Quality-Overall25%

“Quality item - install for safety”

Socket/Port/Plug19%

“Good replacement plug”

Advertised Vs Actual Product15%

“Better than expected”

Charging6%

“Great for EV plug in charger”

Assembly/Installation6%

“Works perfect and was easy to install”

Strength6%

“Looks to be robust”

Value For Money5%

“Great price on a good plug”

Size-Overall4%

“Fits well”

Efficiency2%

“Works perfectly”

Durability1%

“it feels much more durable than other brands Ive tried”

What buyers complain about

Connectivity-Overall14%

“Not making contact”

Quality-Overall14%

“Unlike this piece of Junk”

Functionality-Overall7%

“but yea the tenant said that didnt work”

Value For Money7%

“It costs you more in the long run”

Durability7%

“They broke off very easy”

Size-Overall5%

“didnt fit into the back housing”

Socket/Port/Plug5%

“holes for the wires to go into the back of plug were kinda tight”

Assembly/Installation4%

“it has a design flaw that can be irritating during assembly”

Design-Overall4%

“it has a design flaw that can be irritating during assembly”

Top return reasons

Size-Overall35%

Compatibility-Overall19%

Advertised Vs Actual Product11%

Socket/Port/Plug9%

Functionality-Overall7%

Defective Material/Parts4%

Quality-Overall3%

Assembly/Installation2%

Value For Money2%

Color2%

Common questions

Is nema 6-20 profitable to sell on Amazon United States?: The niche generates $34K/yr across 13 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +14.5%. Flapen's verdict: Skip it (39/100).
How competitive is the nema 6-20 niche?: 8 brands and 39 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 89% of demand.
What do buyers complain about in nema 6-20?: Top complaints mined from reviews: Connectivity-Overall, Quality-Overall, Functionality-Overall. The return rate is 2.1%.
What does it cost to enter the nema 6-20 niche?: Listings span $5.71–$21.10; the average listing price is $11.42 (sweet spot $15–$100). The average incumbent carries 428 reviews — the moat a new listing must climb.