---
title: "10/4 Wire — $95K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/10-4-wire"
last_updated: "2026-08-08T07:53:00.400Z"
locale: en
meta:
description: "Niche score 39/100 · $95K/yr market · 27K searches/yr · $73.88 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 39/100 · $95K/yr market · 27K searches/yr · $73.88 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "10/4 Wire — $95K/yr Amazon US Niche (2026) - Flapen"
---
# **10/4 wire**
**Skip it**
Soft demand (-33.3% this quarter) — this niche doesn't clear our bar today.
Market size 24Growth 8Conversion 56Competition 60Returns 42Price range 44Avg price 84Brand share 27Review moat 95Quality gap 14
**Review moat**
**Incredible****98.48**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Great****$73.88**
avg listing price — sweet spot $15–$100
**Competition**
**Good****49%**
top-5 click share — leaders hold, buyers still browse
**Conversion**
**Good****4.8%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Okay****$15.78–$205.39**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Okay****3.7%**
return rate — above 5% kills the launch gate
**Brand share**
**Okay****89%**
top-5 brand share — brands hold most of the demand
**Market size**
**Bad****$95K**
$95K/yr · 27K searches
**Quality gap**
**Bad****4.8★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-33.3%**
90-day search growth — must beat 0% to launch
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, 10/4 wire is a $95K/yr Amazon United States market (27K 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)
## **10/4 wire market data**
- **Units sold / yr**
- **1K–1K**
- avg 0–100/product
- **Revenue / yr**
- **$74K–$92K**
- units × avg price
- **Conversion rate**
- **4.8%**
- **Avg BSR**
- **#402**
- **Page quality**
- **0%**
- **Prime**
- **97%**
- **Sponsored**
- **90%**
- **Out of stock**
- **14.7%**
- **Avg brand age**
- **51 months**
- **Avg seller age**
- **202 days**
## **Competition & brand share**
The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**11 **▼falling
**Sellers**
**30**
**Top-5 brand share**
**89%**
Top 20: 100%
**Top-5 click share**
**49%**
Top 20: 88%
**Open market**
**8%**
- CLLOMAGY46% - YDDECW18% - Kimbluth15% - energeaster6% - FIRMERST4% - Southwire3% - Open — no brand owns it (5 brands, 8%)
## **Demand**
Weekly Amazon search volume, last 25 weeks — -33.3% search growth over the last 90 days.
1K600Spike '26Feb '26Mar '26Mar '26Apr '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/10-4-wire/trend)
## **Top 10/4 wire search terms**
- **10/4 wire**11K/yr-33.4%3.4% conv. - **10/4 soow cord**4K/yr-7.8%5.7% conv. - **10 gauge 4 conductor wire**3K/yr-12.6%2.2% conv. - **10/4 romex**4K/yr-45.9%1.9% conv. - **10-4 wire**3K/yr-47.3%1.8% conv. - **10/4 so cord**3K/yr-65.7%9.7% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/10-4-wire/search-terms)
## **Top 10/4 wire 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%5%$5K10%$10K15%$14K20%$19K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
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
[1**10/4 Wire 30amp 10 Gauge SJOOW Cable 10AWG 4 Conductor 300V SJOOW Portable Power Cord Cable for Welder Battery Charger RV Generator Machinery-10ft Extension Cord for Industrial Commercial Outdoor Use**CLLOMAGY**$26.02**4.7★74 rev](https://www.amazon.com/dp/B0DLNMZCSN) [2**25ft 10/4 10AWG SOOW Portable Power Cable 600V 10 Gauge SOOW Electrical Cable-4 Conductor Extension Cord for Welder Machine Generator Portable Light EV Car Charger Motor Lead Industrial Outdoor**CLLOMAGY**$54.09**4.6★101 rev](https://www.amazon.com/dp/B0DCJLHMK3) [3**10/4 SJTW Yellow Wire 20 Feet - 10 AWG 4 Conductor SJTW Cable with UV-Resistant Jacket for Motor Leads Battery Chargers and Machine - 20 ft Electrical Wire**YDDECW**$49.05**5.0★11 rev](https://www.amazon.com/dp/B0FGJ2YNXJ) [4**Kimbluth SJTW 10/4 Wire 20FT Heavy Duty Copper Wire 10 Gauge 4 Conductor Outdoor Extension Power Cable for Battery Automotive Motor Industrial**Kimbluth**$54.77**5.0★1 rev](https://www.amazon.com/dp/B0FJ1YBLNT) [5**50ft 10/4 Wire 10AWG SOOW Wire 10 Gauge 10/4 Portable Power Cable 10 Gauge 4 Conductor Electric Cable SOOW Extension Cord for NEMA 14-30amp Generator Welder Portable Light EV Car Charger Motor Lead**CLLOMAGY**$107.08**4.6★101 rev](https://www.amazon.com/dp/B0DCJXTF3K)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Kimbluth SJTW 10/4 Wire 20FT Heavy Duty Copper Wire 10 Gauge 4 Conductor Outdoor Extension Power Cable for Battery Automotive Motor Industrial**Kimbluth**$54.77**1 rev1y ago](https://www.amazon.com/dp/B0FJ1YBLNT) [**Kimbluth SJTW 10/4 Wire 100FT Heavy Duty Copper Wire 10 Gauge 4 Conductor Outdoor Extension Power Cable for Battery Automotive Motor Industrial**Kimbluth**$197.82**1 rev1y ago](https://www.amazon.com/dp/B0FJ1H45JR) [**10/4 SJTW Yellow Wire 20 Feet - 10 AWG 4 Conductor SJTW Cable with UV-Resistant Jacket for Motor Leads Battery Chargers and Machine - 20 ft Electrical Wire**YDDECW**$49.05**11 rev1y ago](https://www.amazon.com/dp/B0FGJ2YNXJ) [**10/4 SJTW Yellow Wire 10 Feet - 10 AWG 4 Conductor SJTW Cable with UV-Resistant Jacket for Motor Leads Battery Chargers and Machine - 10 ft Electrical Wire**YDDECW**$29.14**11 rev1y ago](https://www.amazon.com/dp/B0FGJ2P35R) [**10/4 SOOW Wire 50FT 10 AWG 600V SOOW Bulk Cable 10 Gauge 4 Conductor Portable Power Cable Extension Cord for Welder Generator Portable Light Circuits EV Car Charger Motor Lead**Kimbluth**$104.29**17 rev1y ago](https://www.amazon.com/dp/B0FFM2S6SM)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Kimbluth SJTW 10/4 Wire 20FT Heavy Duty Copper Wire 10 Gauge 4 Conductor Outdoor Extension Power Cable for Battery Automotive Motor Industrial**Kimbluth**$54.77**5.0★**▲ 255%**](https://www.amazon.com/dp/B0FJ1YBLNT) [**NEMA L14-30 Generator Extension Cord - 30A 125/250V 10/4 SOOW - UL Listed - Iron Box Part # IBX-5805 (8 ft)**Iron Box**$51.19**5.0★**▲ 196%**](https://www.amazon.com/dp/B083JJMBX7) [**Kimbluth SJTW 10/4 Wire 100FT Heavy Duty Copper Wire 10 Gauge 4 Conductor Outdoor Extension Power Cable for Battery Automotive Motor Industrial**Kimbluth**$197.82**5.0★**▲ 192%**](https://www.amazon.com/dp/B0FJ1H45JR) [**10/4 SOOW Wire 50FT 10 AWG 600V SOOW Bulk Cable 10 Gauge 4 Conductor Portable Power Cable Extension Cord for Welder Generator Portable Light Circuits EV Car Charger Motor Lead**Kimbluth**$104.29**4.9★**▲ 155%**](https://www.amazon.com/dp/B0FFM2S6SM) [**YDDECW 20ft 10/4 10 AWG SJTW 300V Wire (4 Conductor) - 10 Gauge SJTW Cable with UV-Resistant Jacket for Motor Leads Battery Chargers and Machine - 4 Conductor - 20 Feet Electrical Wire**YDDECW**$47.29**4.8★**▲ 139%**](https://www.amazon.com/dp/B0DWS9YPM8)
**~~View all trending →~~**
## **What buyers say about 10/4 wire**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**36%
*“Great value”*
**Advertised Vs Actual Product**21%
*“Worked perfectly what I needed”*
**Quality-Overall**18%
*“high quality cable at a very reasonable price”*
**Efficiency**11%
*“It works just fine”*
**Flexibility**7%
*“finely stranded wire which is very flexible”*
**Connectivity-Overall**7%
*“Perfect for what I needed to hook up generator to house”*
### **What buyers complain about **
**Advertised Vs Actual Product**100%
*“Info about product incorrect”*
### **Top return reasons **
**Size-Overall**33%
**Advertised Vs Actual Product**20%
**Value For Money**16%
**Thickness**4%
**Weight Heavy**4%
**Thin**4%
**Functionality-Overall**4%
**Compatibility-Overall**2%
**Quality-Overall**2%
**Assembly/Installation**2%
## **Common questions**
- **Is 10/4 wire profitable to sell on Amazon United States?**
- The niche generates $95K/yr across 29 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -33.3%. Flapen's verdict: Skip it (39/100).
- **How competitive is the 10/4 wire niche?**
- 11 brands and 30 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 89% of demand.
- **What do buyers complain about in 10/4 wire?**
- Top complaints mined from reviews: Advertised Vs Actual Product. The return rate is 3.7%.
- **What does it cost to enter the 10/4 wire niche?**
- Listings span $15.78–$205.39; the average listing price is $73.88 (sweet spot $15–$100). The average incumbent carries 98 reviews — the moat a new listing must climb.
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