---
title: "L6-30p — $29K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/l6-30p"
last_updated: "2026-08-09T04:27:07.410Z"
locale: en
meta:
description: "Niche score 39/100 · $29K/yr market · 18K searches/yr · $15.38 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 39/100 · $29K/yr market · 18K searches/yr · $15.38 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "L6-30p — $29K/yr Amazon US Niche (2026) - Flapen"
---
# **l6-30p**
**Skip it**
A small market ($29K/yr) — this niche doesn't clear our bar today.
Market size 7Growth 22Conversion 88Competition 16Returns 77Price range 64Avg price 76Brand share 21Review moat 82Quality gap 21
**Conversion**
**Great****10.4%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Great****357.62**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Great****1.9%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$15.38**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$7.20–$28.98**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Bad****-5.9%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****92%**
top-5 brand share — brand-locked demand
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****80%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****$29K**
$29K/yr · 18K searches
According to Flapen's Amazon United States niche tracking, l6-30p is a $29K/yr Amazon United States market (18K searches/yr). The top 5 brands hold 92% of demand. Verdict: Skip it — 39/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **l6-30p market data**
- **Units sold / yr**
- **4K–5K**
- avg 250–500/product
- **Revenue / yr**
- **$62K–$77K**
- units × avg price
- **Conversion rate**
- **10.4%**
- **Avg BSR**
- **#1,194**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **85%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **64 months**
- **Avg seller age**
- **185 days**
## **Competition & brand share**
The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**9 **▼falling
**Sellers**
**50**
**Top-5 brand share**
**92%**
Top 20: 100%
**Top-5 click share**
**80%**
Top 20: 100%
**Open market**
**6%**
- ENERLITES34% - Leviton33% - ELEGRP17% - Pass & Seymour4% - HUARLPLUG3% - AIDA3% - Open — no brand owns it (3 brands, 6%)
## **Demand & seasonality**
Weekly Amazon search volume, last 88 weeks — -5.9% search growth over the last 90 days.
500300Spike '25Prime Day '25Spike '26 seasonDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/l6-30p/trend)
## **Top l6-30p search terms**
- **l6-30p**9K/yr-5.3%9.9% conv. - **l6-30**4K/yr-14.9%8.8% conv. - **nema l6-30p**3K/yr-0.6%8.4% conv. - **nema l6-30**2K/yr+0.7%6.9% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/l6-30p/search-terms)
## **Top l6-30p 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%10%$3K20%$6K30%$9K40%$12K1101001K10K 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**ENERLITES NEMA L6-30P Locking Plug Connector for Generator Twist Lock Male Plug 30 Amp 250 Volt 2 Pole 3 Wire Grounding Industrial Grade Heavy Duty UL Listed 66461-BK Black**ENERLITES**$8.64**4.6★220 rev](https://www.amazon.com/dp/B01E4D1LKG) [2**Leviton 30 Amp 250 Volt NEMA L6-30P 2P 3W Locking Plug Industrial Grade Grounding 2621 White**Leviton**$15.89**4.7★479 rev](https://www.amazon.com/dp/B00002NARX) [3**ELEGRP NEMA L6-30P & NEMA L6-30R Locking Plug and Connector Set Generator Twist Lock Plug Socket 30 Amp 250V 2 Pole 3 Wire Grounding Industrial Grade Heavy Duty UL Listed (1 Set Black/White)**ELEGRP**$19.64**4.7★161 rev](https://www.amazon.com/dp/B09MVHWLD3) [4**Leviton 2620 30 Amp 250 Volt Flush Mounting Locking Receptacle Industrial Grade Grounding V-0-MAX Black**Leviton**$15.50**4.8★1,277 rev](https://www.amazon.com/dp/B00002NAT9) [5**ELEGRP NEMA L6-30P Locking Plug Generator Twist Lock Adapter Plug 30 Amp 250V 2 Pole 3 Wire Grounding Industrial Grade Heavy Duty UL Listed (1 Pack Black/White)**ELEGRP**$9.30**4.6★285 rev](https://www.amazon.com/dp/B08CX7CRZK)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**ENERLITES NEMA L6-30P & L6-30R Locking Plug and Receptacle for Generator 30 Amp 250 Volt 2 Pole 3 Wire Grounding Industrial Grade Heavy Duty UL Listed Black(1 Set)**ENERLITES**$19.66**352 rev7mo ago](https://www.amazon.com/dp/B0GCYP8WMF) [**MECMO 30A/250V NEMA L6-30P & L6-30R Generator Locking Plug Connector Set 3 Prong Twist Lock Male and Female Adapter Plug Socket 30 Amp 125 Volt 2P 3W Grounding Industrial Grade Heavy Duty**MECMO**$17.26**30 rev8mo ago](https://www.amazon.com/dp/B0G33TT5M9) [**2Pack NEMA L6-30P Locking Plug 30A 250V ETL Certified**HUARLPLUG**$14.23**9 rev8mo ago](https://www.amazon.com/dp/B0FZT9TRVR) [**Yomiuwo 5 Pack NEMA L6-30P Locking Plug 30 Amp 250V Twist Lock Male Plug 2 Pole 3 Wire Grounding Industrial Grade Heavy Duty Generator Adapter UL Listed**Yomiuwo**$28.98**9 rev1y ago](https://www.amazon.com/dp/B0F8Q4452W) [**AIDA NEMA L6-30P & NEMA L6-30R Locking Plug and Connector Twist Generator Male and Female Adapter 30 Amp 250Volt 2-Pole 3-Wire Grounding Industrial-Strength Heavy Duty UL Listed**AIDA**$19.35**29 rev2y ago](https://www.amazon.com/dp/B0CRKX8GH6)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**ENERLITES NEMA L6-30P & L6-30R Locking Plug and Receptacle for Generator 30 Amp 250 Volt 2 Pole 3 Wire Grounding Industrial Grade Heavy Duty UL Listed Black(1 Set)**ENERLITES**$19.66**4.7★**▲ 268%**](https://www.amazon.com/dp/B0GCYP8WMF) [**2Pack NEMA L6-30P Locking Plug 30A 250V ETL Certified**HUARLPLUG**$14.23**4.7★**▲ 222%**](https://www.amazon.com/dp/B0FZT9TRVR) [**MECMO 30A/250V NEMA L6-30P & L6-30R Generator Locking Plug Connector Set 3 Prong Twist Lock Male and Female Adapter Plug Socket 30 Amp 125 Volt 2P 3W Grounding Industrial Grade Heavy Duty**MECMO**$17.26**4.7★**▲ 179%**](https://www.amazon.com/dp/B0G33TT5M9) [**Yomiuwo 5 Pack NEMA L6-30P Locking Plug 30 Amp 250V Twist Lock Male Plug 2 Pole 3 Wire Grounding Industrial Grade Heavy Duty Generator Adapter UL Listed**Yomiuwo**$28.98**4.1★**▲ 130%**](https://www.amazon.com/dp/B0F8Q4452W) [**Leviton 30 Amp 250 Volt NEMA L6-30P 2P 3W Locking Plug Industrial Grade Grounding 2621 White**Leviton**$15.89**4.7★**▲ 23%**](https://www.amazon.com/dp/B00002NARX)
**~~View all trending →~~**
## **What buyers say about l6-30p**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**13%
*“Great value”*
**Socket/Port/Plug**13%
*“Very good plug for the money”*
**Quality-Overall**12%
*“Great quality”*
**Advertised Vs Actual Product**11%
*“As advertised”*
**Assembly/Installation**9%
*“configuration, exactly what I needed for my generator setup”*
**Strength**7%
*“Sturdy Connector That's Easy to Setup”*
**Size-Overall**6%
*“Good fit”*
**Efficiency**5%
*“Worked well”*
**Ease Of Use**4%
*“It is easy to use”*
**Durability**4%
*“Good quality, works well, seems durable”*
### **What buyers complain about **
**Quality-Overall**25%
*“Junk”*
**Locking Mechanism**14%
*“Twist lock not so good”*
**Product Condition**14%
*“Maybe used, possibly returned, definitely not useable”*
**Heating**7%
*“No, it was not heat from the kilns”*
**Connectivity-Overall**6%
*“the difficulty connecting the set together”*
**Material Quality**4%
*“The plastic is thin and brittle and not thick nylon like all many of the well-known and trusted manufacturers”*
**Thickness**4%
*“The plastic is thin and brittle and not thick nylon like all many of the well-known and trusted manufacturers”*
**Assembly/Installation**3%
*“the difficulty connecting the set together”*
**Water Resistance**3%
*“I wouldnt say its very water resistant”*
### **Top return reasons **
**Size-Overall**59%
**Compatibility-Overall**15%
**Socket/Port/Plug**8%
**Defective Material/Parts**4%
**Functionality-Overall**4%
**Value For Money**3%
**Connectivity-Overall**2%
**Quality-Overall**2%
**Advertised Vs Actual Product**2%
**Certifications**1%
## **Common questions**
- **Is l6-30p profitable to sell on Amazon United States?**
- The niche generates $29K/yr across 13 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -5.9%. Flapen's verdict: Skip it (39/100).
- **How competitive is the l6-30p niche?**
- 9 brands and 50 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 92% of demand.
- **What do buyers complain about in l6-30p?**
- Top complaints mined from reviews: Quality-Overall, Locking Mechanism, Product Condition. The return rate is 1.9%.
- **When does demand for l6-30p peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the l6-30p niche?**
- Listings span $7.20–$28.98; the average listing price is $15.38 (sweet spot $15–$100). The average incumbent carries 358 reviews — the moat a new listing must climb.
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