6/2 romex
Skip itBrand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.
Review moat
Incredible44.44avg incumbent reviews — the moat a new listing must climb
Avg price
Good$145.01avg listing price — sweet spot $15–$100
Market size
Good$380K$380K/yr · 81K searches
Returns
Okay3.6%return rate — above 5% kills the launch gate
Conversion
Okay3.3%search→purchase rate — share of searches ending in a sale
Growth
Okay+1.0%90-day search growth — must beat 0% to launch
Price range
Okay$40.56–$267.79cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Bad70%top-5 click share — a locked-up shelf
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Brand share
Bad97%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, 6/2 romex is a $380K/yr Amazon United States market (81K searches/yr). The top 5 brands hold 97% of demand. Verdict: Skip it — 36/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
6/2 romex market data
- Units sold / yr
- 3K–3K
- avg 100–250/product
- Revenue / yr
- $363K–$435K
- units × avg price
- Conversion rate
- 3.3%
- Avg BSR
- #546
- Page quality
- 0%
- Prime
- 89%
- Sponsored
- 89%
- Out of stock
- 6.9%
- Avg brand age
- 54 months
- Avg seller age
- 156 days
Competition & brand share
The top 5 products capture 70% of clicks — a locked-up shelf that new listings rarely crack.Brands
7 falling
Sellers
31
Top-5 brand share
97%
Top 20: 100%
Top-5 click share
70%
Top 20: 100%
Open market
1%
- Southwire46%
- XMK26%
- energeaster14%
- MOOKEERF8%
- Imperium Cable2%
- Stock Wire1%
- Open — no brand owns it (1 brand, 1%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +1.0% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.2×
Top 6/2 romex search terms
- 6/2 romex26K/yr
- 6/2 wire with ground17K/yr
- 6/2 wire12K/yr
- 6-2 romex5K/yr
- 6-2 wire with ground4K/yr
- 6/2 romex 50 ft3K/yr
- 6/2 romex 75 ft3K/yr
- 6-2 wire4K/yr
- 6/2 romex 125 ft3K/yr
- 6 2 romex3K/yr
Top 6/2 romex 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 18 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Southwire 28894422 6/2 NM-B Wire - Black (50FT.)
Southwire$142.434.9★82 rev

Southwire 28894402 Nonmetallic With Ground Sheathed Cable
Southwire$267.794.8★160 rev

Solid Indoor 6/2 Type NM-B Pure Copper Cable 50FT Black 6 AWG 2 Conductors with Ground Wire
energeaster$130.764.2★5 rev

NM-B 6/2 Wire with Ground 50FT 6/2 6 Gauge Wire Copper 6 AWG 2 Conductor Non-Metallic Sheathed 6/2 W/G NMB Cable Stranded Indoor Residential Electrical Wiring for Branch Circuit Switches&Outlets
XMK$147.854.8★53 rev

NM-B 6/2 Wire with Ground 25FT 6/2 6 AWG Copper Wire 6 Gauge 2 Conductor 6-2 Non-Metallic Sheathed 6/2 NM-B W/G Cable Stranded Residential Indoor Electrical Wiring for Branch Circuit Switches&Outlets
XMK$81.974.8★53 rev
Newest
by launch date
Imperium Cable 6/2 NM-B Electrical Wire 125ft Coil Copper Indoor Residential Cable with Ground Black Jacket 600V Rated
Imperium Cable$244.390 rev

NM-B 6/2 Wire with Ground 10FT 6/2 6 Gauge Wire Copper 6 AWG 2 Conductor Non-Metallic Sheathed 6/2 W/G NMB Cable Stranded Indoor Residential Electrical Wiring for Branch Circuit Switches&Outlets
XMK$40.5653 rev

NM-B 6/2 Wire with Ground 35FT 6/2 6 Gauge Wire Copper 6 AWG 2 Conductor Non-Metallic Sheathed 6/2 NM-B Cable with Ground Stranded Indoor Residential Electrical Wiring for Branch Circuit Switch&Outlet
XMK$110.6953 rev

NM-B 6/2 Wire with Ground 15FT 6 AWG Copper Wire 6 Gauge 2 Conductor Electrical 6/2 NM-B with Ground Non-Metallic Sheathed Cable Stranded Indoor Residential Wiring for Branch Circuit Switch&Outlet
XMK$55.6453 rev

Solid Indoor 6/2 Type NM-B Pure Copper Cable 50FT Black 6 AWG 2 Conductors with Ground Wire
energeaster$130.765 rev
Trending
90-day click momentum
Solid Indoor 6/2 Type NM-B Pure Copper Cable 50FT Black 6 AWG 2 Conductors with Ground Wire
energeaster$130.764.2★

Solid Indoor 6/2 Type NM-B Pure Copper Cable 75FT Black 6 AWG 2 Conductors with Ground Wire
energeaster$209.524.2★

NM-B 6/2 Wire with Ground 35FT 6/2 6 Gauge Wire Copper 6 AWG 2 Conductor Non-Metallic Sheathed 6/2 NM-B Cable with Ground Stranded Indoor Residential Electrical Wiring for Branch Circuit Switch&Outlet
XMK$110.694.8★

NM-B 6/2 Wire with Ground 10FT 6/2 6 Gauge Wire Copper 6 AWG 2 Conductor Non-Metallic Sheathed 6/2 W/G NMB Cable Stranded Indoor Residential Electrical Wiring for Branch Circuit Switches&Outlets
XMK$40.564.8★

Imperium Cable 6/2 NM-B Electrical Wire 125ft Coil Copper Indoor Residential Cable with Ground Black Jacket 600V Rated
Imperium Cable$244.390.0★
What buyers say about 6/2 romex
What buyers praise and complain about, mined from review topics.What buyers love
“Great value”
“just as advertised”
“Good quality”
“Works well for EV charger”
“More durable than earlier rubber cords”
“and it's pretty flexible for 6 gauge wire”
“product made in America”
“perfect size for job”
What buyers complain about
“Wire is a bit stiff”
“It would be nice if product description noted this”
“it seems like once romex gets this big it is usually stranded”
Top return reasons
Common questions
- Is 6/2 romex profitable to sell on Amazon United States?
- The niche generates $380K/yr across 18 tracked products. 4 of 6 products launched in the last 360 days are still selling. 90-day search growth is +1.0%. Flapen's verdict: Skip it (36/100).
- How competitive is the 6/2 romex niche?
- 7 brands and 31 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 97% of demand.
- What do buyers complain about in 6/2 romex?
- Top complaints mined from reviews: Stiffness, Advertised Vs Actual Product, Size-Overall. The return rate is 3.6%.
- When does demand for 6/2 romex peak?
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- What does it cost to enter the 6/2 romex niche?
- Listings span $40.56–$267.79; the average listing price is $145.01 (sweet spot $15–$100). The average incumbent carries 44 reviews — the moat a new listing must climb.