6/4 50 amp wire
Skip itPrices mostly outside the sweet spot ($36.30–$595.38) — this niche doesn't clear our bar today.
Review moat
Great146.64avg incumbent reviews — the moat a new listing must climb
Competition
Good43%top-5 click share — leaders hold, buyers still browse
Avg price
Good$143.63avg listing price — sweet spot $15–$100
Brand share
Okay82%top-5 brand share — brands hold most of the demand
Returns
Okay4.4%return rate — above 5% kills the launch gate
Market size
Okay$119K$119K/yr · 76K searches
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Growth
Bad-11.6%90-day search growth — must beat 0% to launch
Conversion
Bad1.1%search→purchase rate — share of searches ending in a sale
Price range
Bad$36.30–$595.38cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, 6/4 50 amp wire is a $119K/yr Amazon United States market (76K searches/yr). The top 5 brands hold 82% of demand. Demand peaks in Oct. Verdict: Skip it — 37/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
6/4 50 amp wire market data
- Units sold / yr
- 750–1K
- avg 0–100/product
- Revenue / yr
- $108K–$144K
- units × avg price
- Conversion rate
- 1.1%
- Avg BSR
- #330
- Page quality
- 0%
- Prime
- 82%
- Sponsored
- 95%
- Out of stock
- 4.7%
- Avg brand age
- 58 months
- Avg seller age
- 154 days
Competition & brand share
The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.Brands
15 rising
Sellers
38
Top-5 brand share
82%
Top 20: 100%
Top-5 click share
43%
Top 20: 79%
Open market
14%
- CLLOMAGY34%
- Spartan Power24%
- XMK10%
- Bghdas8%
- Southwire5%
- GEARit4%
- Open — no brand owns it (9 brands, 14%)
Demand & seasonality
Weekly Amazon search volume, last 96 weeks — -11.6% search growth over the last 90 days.Peak months: Oct · busiest ÷ quietest = 2.0×
Top 6/4 50 amp wire search terms
- 6/4 wire14K/yr
- 50 amp wire15K/yr
- 6/4 soow cable8K/yr
- 6 gauge wire for ev charger4K/yr
- 6/4 romex6K/yr
- 50 amp wire 100 ft6K/yr
- 6 gauge 4 wire cable for 50 amp4K/yr
- 6/4 50 amp wire6K/yr
- 60 amp wire3K/yr
- 6 gauge wire for tesla charger3K/yr
Top 6/4 50 amp 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
10ft 6/4 SOOW Cable Portable Power Cable 6/4 Wire 50amp 600V Electrical Wire Total 4 Conductor 6 Gauge Wire Extension Cord for Welder Generator Industrial SOOW Bulk Cord with UL Outer Dia 27.2mm
CLLOMAGY$59.034.7★233 rev
6ft 6/4 Wire SOOW Cable 6 Gauge Wire 4 Conductor 600V Portable Power Cable 6/4 AWG 50amp Electric Wire Extension Cord for Welder Generator Industrial Outdoor SOOW Bulk Cord with UL Outer Dia 27.2mm
CLLOMAGY$38.204.7★233 rev
SOOW Multi-Conductor Wire 6/4 Portable Power Cable - 600V 50A Heavy-Duty Flexible Cord for Industrial & Residential Use 12 Feet
Spartan Power$81.894.4★16 rev
SOOW Multi-Conductor Wire 6/4 Portable Power Cable - 600V 50A Heavy-Duty Flexible Cord for Industrial & Residential Use 10 Feet
Spartan Power$71.294.4★16 rev
Southwire 63950002 125ft. 6 Gauge 3 Conductor Nonmetallic Sheathed Type NM-B Cable Black
Southwire$386.414.7★834 rev
Newest
by launch date
6/4 SOOW Wire 10FT 6 AWG 600V SOOW Bulk Cable 6 Gauge 4 Conductor Portable Power Cable Extension Cord for Welder Generator Portable Light Circuits EV Car Charger Motor Lead
Kimbluth$58.9724 rev
6/4 SOOW Wire 5FT 6 AWG 600V SOOW Bulk Cable 6 Gauge 4 Conductor Portable Power Cable Extension Cord for Welder Generator Portable Light Circuits EV Car Charger Motor Lead
Kimbluth$36.7924 rev
SOOW Multi-Conductor Wire 6/4 Portable Power Cable - 600V 50A Heavy-Duty Flexible Cord for Industrial & Residential Use 12 Feet
Spartan Power$81.8916 rev
SOOW Multi-Conductor Wire 6/4 Portable Power Cable - 600V 50A Heavy-Duty Flexible Cord for Industrial & Residential Use 10 Feet
Spartan Power$71.2916 rev
SOOW Multi-Conductor Wire 6/4 Portable Power Cable - 600V 50A Heavy-Duty Flexible Cord for Industrial & Residential Use 15 Feet
Spartan Power$106.9516 rev
Trending
90-day click momentumSOOW Multi-Conductor Wire 6/4 Portable Power Cable - 600V 50A Heavy-Duty Flexible Cord for Industrial & Residential Use 12 Feet
Spartan Power$81.894.4★
6/3 NM-B Wire with Ground 10ft 6 Gauge Wire 3 Conductor Nonmetallic Sheathed Type NM-B Cable Copper 6 AWG Wires Electrical Stranded Cable for Residential Indoor Outlets Switches EV Charging Wiring
XMK$55.584.8★
SOOW Multi-Conductor Wire 6/4 Portable Power Cable - 600V 50A Heavy-Duty Flexible Cord for Industrial & Residential Use 8 Feet
Spartan Power$57.864.4★
NM-B 6/3 Wire with Ground 25ft 6/3 NM-B Wire Copper 6 AWG 3 Conductor with Ground Nonmetallic Sheathed NMB Cable 6-3 Residential Indoor Electrical Wiring for Branch Circuit Switche Outlet Other Load
XMK$107.854.8★
SOOW Multi-Conductor Wire 6/4 Portable Power Cable - 600V 50A Heavy-Duty Flexible Cord for Industrial & Residential Use 15 Feet
Spartan Power$106.954.4★
What buyers say about 6/4 50 amp wire
What buyers praise and complain about, mined from review topics.What buyers love
“The price was fair”
“Excellent product”
“As advertised”
“Very heavy duty”
“Works great”
“it made the job easy”
“I was easy to bend which made instillation a breeze”
“Perfect for my EV charging project”
“Solid and sturdy”
“the wires are correctly size at 6 guage”
What buyers complain about
“Wire is a bit stiff”
“All pictures show solid wire / I received stranded wire”
“youre gonna be shipping it back because I dont need it now its too high priced”
“Its not the most flexible of cables”
“This cable is massive”
“very heavy”
“it is a MAJOR PAIN to work with because of the thickness”
“the insulation plastic seemed super cheap on both the outer wire sheathing”
“tough to work with”
“white wires were severely tarnished”
Top return reasons
Common questions
- Is 6/4 50 amp wire profitable to sell on Amazon United States?
- The niche generates $119K/yr across 44 tracked products. 90-day search growth is -11.6%. Flapen's verdict: Skip it (37/100).
- How competitive is the 6/4 50 amp wire niche?
- 15 brands and 38 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 82% of demand.
- What do buyers complain about in 6/4 50 amp wire?
- Top complaints mined from reviews: Stiffness, Advertised Vs Actual Product, Value For Money. The return rate is 4.4%.
- When does demand for 6/4 50 amp wire peak?
- Demand peaks in Oct; the busiest month runs 2.0× the quietest.
- What does it cost to enter the 6/4 50 amp wire niche?
- Listings span $36.30–$595.38; the average listing price is $143.63 (sweet spot $15–$100). The average incumbent carries 147 reviews — the moat a new listing must climb.