---
title: "Nema 14-30 Extension Cord — $100K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/nema-14-30-extension-cord"
last_updated: "2026-08-08T23:00:02.546Z"
locale: en
meta:
description: "Niche score 46/100 · $100K/yr market · 39K searches/yr · $53.71 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 46/100 · $100K/yr market · 39K searches/yr · $53.71 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Nema 14-30 Extension Cord — $100K/yr Amazon US Niche (2026) - Flapen"
---
# **nema 14-30 extension cord**
**Skip it**
Strong incumbent ratings (4.7★) — this niche doesn't clear our bar today.
Market size 25Growth 28Conversion 57Competition 62Returns 17Price range 80Avg price 92Brand share 65Review moat 83Quality gap 16
**Avg price**
**Great****$53.71**
avg listing price — sweet spot $15–$100
**Review moat**
**Great****333.64**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Great****$19.41–$118.85**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Good****66%**
top-5 brand share — brands hold most of the demand
**Competition**
**Good****48%**
top-5 click share — leaders hold, buyers still browse
**Conversion**
**Good****4.8%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Okay****+2.5%**
90-day search growth — must beat 0% to launch
**Market size**
**Okay****$100K**
$100K/yr · 39K searches
**Returns**
**Bad****7.2%**
return rate — above 5% kills the launch gate
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, nema 14-30 extension cord is a $100K/yr Amazon United States market (39K searches/yr). The top 5 brands hold 66% of demand. Verdict: Skip it — 46/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **nema 14-30 extension cord market data**
- **Units sold / yr**
- **2K–2K**
- avg 0–100/product
- **Revenue / yr**
- **$81K–$107K**
- units × avg price
- **Conversion rate**
- **4.8%**
- **Avg BSR**
- **#496**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **91%**
- **Out of stock**
- **7.2%**
- **Avg brand age**
- **49 months**
- **Avg seller age**
- **196 days**
## **Competition & brand share**
The top 5 products take 48% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**14 **▼falling
**Sellers**
**20**
**Top-5 brand share**
**66%**
Top 20: 100%
**Top-5 click share**
**48%**
Top 20: 98%
**Open market**
**25%**
- Elecan16% - Deeklify15% - islewire13% - PlugSaf13% - RVMATE9% - Kanayu9%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +2.5% search growth over the last 90 days.
1K750Spike '24Holiday '24Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/nema-14-30-extension-cord/trend)
## **Top nema 14-30 extension cord search terms**
- **nema 14-30 extension cord**11K/yr+25.0%2.8% conv. - **dryer extension cord 4 prong**7K/yr-6.6%5.9% conv. - **4 prong dryer extension cord**7K/yr-8.9%8.8% conv. - **14-30 extension cord**7K/yr+6.0%3.9% conv. - **4 prong extension cord**6K/yr-13.3%2.8% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/nema-14-30-extension-cord/search-terms)
## **Top nema 14-30 extension cord 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%4%$4K8%$8K12%$12K16%$16K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 22 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Elecan Dryer EV Extension Cord 10 FT 4 Prong 30 Amp NEMA 14-30P to 14-30R Extension Cord Cable for Dryer Power Extension and Level 2 EV Charging Tesla Heavy Waterproof 10AWG 125/250V-ETL-Blue-10FT**Elecan**$35.89**4.8★99 rev](https://www.amazon.com/dp/B0DDKQ6QR3) [2**RVMATE 4 Prong Dryer Extension Cord 10 Feet 30 Amp NEMA 14-30P to 14-30R 125V/250V Waterproof PVC Jacket Perfect for Dryer Power Extension ETL Listed**RVMATE**$34.70**4.8★825 rev](https://www.amazon.com/dp/B08LK6KQRL) [3**Deeklify 25 FT 4 Prong Dryer Extension Cord Outdoor Black 30 AMP 10/4 Gauge Heavy Duty NEMA 14-30P to 14-30R Waterproof SRDT Jacket ETL Listed for 4 Prong Dryers**Deeklify**$58.60**4.9★136 rev](https://www.amazon.com/dp/B0FQBFQ3CC) [4**Kanayu 6.6 FT 4 Prong Dryer/EV Extension Cord 30 Amp NEMA 14-30P to 14-30R for Level 2 EV Charging and Dryer Power Flexible Cable STW 10 Gauge Cord with Grip Handle ETL Listed (Blue and Black)**Kanayu**$37.67**4.8★133 rev](https://www.amazon.com/dp/B0F1D5KBFF) [5**Rophor Dryer Extension Cord 4 Prong 30 Amp NEMA 14-30P to 14-30R Extension Cord for Dryer Power Extension and EV Charging 125V/250V 10 Feet**Rophor**$38.45**4.7★416 rev](https://www.amazon.com/dp/B08X1YFDVF)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Kanayu 6.6 FT 4 Prong Dryer/EV Extension Cord 30 Amp NEMA 14-30P to 14-30R for Level 2 EV Charging and Dryer Power Flexible Cable STW 10 Gauge Cord with Grip Handle ETL Listed (Black)**Kanayu**$39.34**133 rev9mo ago](https://www.amazon.com/dp/B0FXZRVPY6) [**Deeklify 25 FT 4 Prong Dryer Extension Cord Outdoor Black 30 AMP 10/4 Gauge Heavy Duty NEMA 14-30P to 14-30R Waterproof SRDT Jacket ETL Listed for 4 Prong Dryers**Deeklify**$58.60**136 rev10mo ago](https://www.amazon.com/dp/B0FQBFQ3CC) [**Deeklify 10 FT 4 Prong Dryer Extension Cord Outdoor Black 30 AMP 10/4 Gauge Heavy Duty NEMA 14-30P to 14-30R Waterproof SRDT Jacket ETL Listed for 4 Prong Dryers**Deeklify**$33.55**136 rev10mo ago](https://www.amazon.com/dp/B0FQBGP31H) [**VEVOR 50 FT 30 Amp Dryer Extension Cord 4-Prong NEMA 14-30P to 14-30R 10AWG STW Pure Copper 125/250V 7500W Heavy Duty Power Cable for EV Charging Laundry Room Home Garage with Storage Bag**VEVOR**$86.32**21 rev1y ago](https://www.amazon.com/dp/B0F7XKKKHT) [**Kanayu 6.6 FT 4 Prong Dryer/EV Extension Cord 30 Amp NEMA 14-30P to 14-30R for Level 2 EV Charging and Dryer Power Flexible Cable STW 10 Gauge Cord with Grip Handle ETL Listed (Blue and Black)**Kanayu**$37.67**133 rev1y ago](https://www.amazon.com/dp/B0F1D5KBFF)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Deeklify 25 FT 4 Prong Dryer Extension Cord Outdoor Black 30 AMP 10/4 Gauge Heavy Duty NEMA 14-30P to 14-30R Waterproof SRDT Jacket ETL Listed for 4 Prong Dryers**Deeklify**$58.60**4.9★**▲ 181%**](https://www.amazon.com/dp/B0FQBFQ3CC) [**Deeklify 10 FT 4 Prong Dryer Extension Cord Outdoor Black 30 AMP 10/4 Gauge Heavy Duty NEMA 14-30P to 14-30R Waterproof SRDT Jacket ETL Listed for 4 Prong Dryers**Deeklify**$33.55**4.9★**▲ 146%**](https://www.amazon.com/dp/B0FQBGP31H) [**ELEGRP 1.5FT Dryer Adapter Cord NEMA 14-30P to 10-30R 4 Prong New House to 3 Prong Old Dryer 30 Amp/250V/7500W Heavy Duty 10-AWG STW 180 Rotating Plug UL Standard Compliant**ELEGRP**$19.41**4.8★**▲ 69%**](https://www.amazon.com/dp/B0DNT15FDK) [**GEARit 30 Amp Dryer Extension Cord NEMA 14-30 Extension Cord 4 Prong NEMA 14-30P to 14-30R 125/250V Heavy Duty 10/4 STW 10 AWG Electric Dryer/Tesla EV Level 2 Charger Cable 25 Feet**GEARit**$70.07**4.6★**▲ 58%**](https://www.amazon.com/dp/B09ND2J9DV) [**Elecan Dryer EV Extension Cord 10 FT 4 Prong 30 Amp NEMA 14-30P to 14-30R Extension Cord Cable for Dryer Power Extension and Level 2 EV Charging Tesla Heavy Waterproof 10AWG 125/250V-ETL-Blue-10FT**Elecan**$35.89**4.8★**▲ 56%**](https://www.amazon.com/dp/B0DDKQ6QR3)
**~~View all trending →~~**
## **What buyers say about nema 14-30 extension cord**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**25%
*“Excellent quality”*
**Advertised Vs Actual Product**21%
*“As advertised”*
**Value For Money**6%
*“Good value”*
**Size-Overall**5%
*“Perfect fit”*
**Socket/Port/Plug**5%
*“The flat plug is a nice feature”*
**Ease Of Use**4%
*“Easy to use”*
**Strength**4%
*“Great build”*
**Weight Heavy**4%
*“This is heavy duty”*
**Charging**3%
*“the charging speed is fine”*
**Connectivity-Overall**3%
*“it plugs in easily”*
### **What buyers complain about **
**Functionality-Overall**21%
*“Didnt work”*
**Durability**15%
*“Stop working within the first month of use”*
**Quality-Overall**10%
*“NOT well made”*
**Size-Overall**6%
*“Too short”*
**Advertised Vs Actual Product**6%
*“False advertisement”*
**Charging**4%
*“Also note you will not be able to charge”*
**Ease Of Use**3%
*“I did not get to use it”*
**Thickness**3%
*“The cord is thick”*
**Flammable**2%
*“This is a fire hazard”*
**Defective Material/Parts**2%
*“Defective Item”*
### **Top return reasons **
**Size-Overall**22%
**Compatibility-Overall**22%
**Socket/Port/Plug**10%
**Add-Ons/Attachments**8%
**Advertised Vs Actual Product**6%
**Functionality-Overall**6%
**Value For Money**5%
**Connectivity-Overall**4%
**Charging**3%
**Defective Material/Parts**2%
## **Common questions**
- **Is nema 14-30 extension cord profitable to sell on Amazon United States?**
- The niche generates $100K/yr across 22 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is +2.5%. Flapen's verdict: Skip it (46/100).
- **How competitive is the nema 14-30 extension cord niche?**
- 14 brands and 20 sellers compete. The top 5 products take 48% of clicks and top 5 brands hold 66% of demand.
- **What do buyers complain about in nema 14-30 extension cord?**
- Top complaints mined from reviews: Functionality-Overall, Durability, Quality-Overall. The return rate is 7.2% — above our launch gate.
- **When does demand for nema 14-30 extension cord peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the nema 14-30 extension cord niche?**
- Listings span $19.41–$118.85; the average listing price is $53.71 (sweet spot $15–$100). The average incumbent carries 334 reviews — the moat a new listing must climb.
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