---
title: "Nema 6-20 — $34K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/nema-6-20"
last_updated: "2026-08-08T22:55:32.198Z"
locale: en
meta:
description: "Niche score 39/100 · $34K/yr market · 51K searches/yr · $11.42 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 39/100 · $34K/yr market · 51K searches/yr · $11.42 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Nema 6-20 — $34K/yr Amazon US Niche (2026) - Flapen"
---
# **nema 6-20**
**Skip it**
A small market ($34K/yr) — this niche doesn't clear our bar today.
Market size 8Growth 43Conversion 65Competition 26Returns 73Price range 40Avg price 45Brand share 27Review moat 79Quality gap 27
**Review moat**
**Great****427.77**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Good****2.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Good****5.8%**
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**
**Okay****89%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****69%**
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 ~~](https://flapen.com/research/methodology)
## **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**
**39**
**Top-5 brand share**
**89%**
Top 20: 100%
**Top-5 click share**
**69%**
Top 20: 100%
**Open market**
**6%**
- 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.
1K750Apr '26Apr '26May '26May '26May '26Jun '26Jun '26Jul '26
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/nema-6-20/trend)
## **Top nema 6-20 search terms**
- **nema 6-20r**7K/yr+40.0%4.5% conv. - **nema 6-20p**6K/yr+14.0%3.4% conv. - **nema 6-20 outlet**6K/yr+30.0%5.0% conv. - **nema 6-20**6K/yr+4.1%2.4% conv. - **6-20r receptacle**4K/yr+12.6%5.9% conv. - **nema 6-20 plug**4K/yr+21.4%3.1% conv. - **6-20r**4K/yr+7.2%6.0% conv. - **nema 6-20r receptacle**3K/yr+9.3%6.5% conv. - **6-20p**3K/yr+5.7%2.6% conv. - **nema 6-20 receptacle**3K/yr+17.4%4.4% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/nema-6-20/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.
0%15%$5K30%$10K45%$15K60%$20K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
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
[1**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**$5.71**4.8★2,063 rev](https://www.amazon.com/dp/B000FPDKOI) [2**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**$10.61**4.6★269 rev](https://www.amazon.com/dp/B0100SWXQ0) [3**Leviton 5822-W Straight Blade Single Receptacle 250 Vac 20 A 2 Pole 3 Wire White**Leviton**$8.92**4.7★864 rev](https://www.amazon.com/dp/B000U3I1S0) [4**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**$7.77**4.4★56 rev](https://www.amazon.com/dp/B0CFXGN25M) [5**Leviton 20 Amp 250 Volt Industrial Heavy Duty Grade Single Receptacle Straight Blade Self Grounding 5461-R Red**Leviton**$21.10**4.8★575 rev](https://www.amazon.com/dp/B003GIS46K)
**~~View all top sellers →~~**
### **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**$8.18**10 rev8mo ago](https://www.amazon.com/dp/B0FZLH2YHR) [**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**$8.25**4 rev8mo ago](https://www.amazon.com/dp/B0FZJLNZ5C) [**Maxxima 20A Tamper Resistant Single Receptacle Wall Outlet NEMA 6-20 2 Pk**Maxxima**$12.61**109 rev2y ago](https://www.amazon.com/dp/B0D6NMWVDL) [**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**$7.77**56 rev2y ago](https://www.amazon.com/dp/B0CFXGN25M) [**YeDrop Single Electrical Receptacle Outlet 20A 250V White 1 Pack**YeDrop**$7.49**70 rev3y ago](https://www.amazon.com/dp/B0BWDQQ5L1)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**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**$8.18**4.6★**▲ 111%**](https://www.amazon.com/dp/B0FZLH2YHR) [**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**$8.25**3.9★**▲ 95%**](https://www.amazon.com/dp/B0FZJLNZ5C) [**ENERLITES NEMA 6-20R Straight Blade Connector Female Plug Replacement Cord Outlet 20 Amp 250 Volt 2 Pole 3 Wire Grounding Industrial Grade Heavy Duty UL Listed 66231-BK Black**ENERLITES**$10.79**4.6★**▲ 26%**](https://www.amazon.com/dp/B0100TC3ZK) [**Leviton 20 Amp 250 Volt Industrial Heavy Duty Grade Single Receptacle Straight Blade Self Grounding 5461-R Red**Leviton**$21.10**4.8★**▲ 26%**](https://www.amazon.com/dp/B003GIS46K) [**RVGUARD Electrical Replacement Male Plug Connector NEMA 6-20P ETL Listed**RVGUARD**$6.78**4.7★**▲ 18%**](https://www.amazon.com/dp/B08CDT63Y2)
**~~View all trending →~~**
## **What buyers say about nema 6-20**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**25%
*“Quality item - install for safety”*
**Socket/Port/Plug**19%
*“Good replacement plug”*
**Advertised Vs Actual Product**15%
*“Better than expected”*
**Charging**6%
*“Great for EV plug in charger”*
**Assembly/Installation**6%
*“Works perfect and was easy to install”*
**Strength**6%
*“Looks to be robust”*
**Value For Money**5%
*“Great price on a good plug”*
**Size-Overall**4%
*“Fits well”*
**Efficiency**2%
*“Works perfectly”*
**Durability**1%
*“it feels much more durable than other brands Ive tried”*
### **What buyers complain about **
**Connectivity-Overall**14%
*“Not making contact”*
**Quality-Overall**14%
*“Unlike this piece of Junk”*
**Functionality-Overall**7%
*“but yea the tenant said that didnt work”*
**Value For Money**7%
*“It costs you more in the long run”*
**Durability**7%
*“They broke off very easy”*
**Size-Overall**5%
*“didnt fit into the back housing”*
**Socket/Port/Plug**5%
*“holes for the wires to go into the back of plug were kinda tight”*
**Assembly/Installation**4%
*“it has a design flaw that can be irritating during assembly”*
**Design-Overall**4%
*“it has a design flaw that can be irritating during assembly”*
### **Top return reasons **
**Size-Overall**35%
**Compatibility-Overall**19%
**Advertised Vs Actual Product**11%
**Socket/Port/Plug**9%
**Functionality-Overall**7%
**Defective Material/Parts**4%
**Quality-Overall**3%
**Assembly/Installation**2%
**Value For Money**2%
**Color**2%
## **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.
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