Is thhn wire 12 gauge profitable to sell on Amazon United States?

The niche generates $81K/yr across 49 tracked products. 11 of 34 products launched in the last 360 days are still selling. 90-day search growth is +18.4%. Flapen's verdict: Worth a look (51/100).

How competitive is the thhn wire 12 gauge niche?

14 brands and 50 sellers compete. The top 5 products take 33% of clicks and top 5 brands hold 78% of demand.

What do buyers complain about in thhn wire 12 gauge?

Top complaints mined from reviews: Quality-Overall, Ease Of Use, Flexibility. The return rate is 2.1%.

When does demand for thhn wire 12 gauge peak?

Demand is steady year-round — the busiest month runs 1.3× the quietest.

What does it cost to enter the thhn wire 12 gauge niche?

Listings span $16.18–$132.38; the average listing price is $55.90 (sweet spot $15–$100). The average incumbent carries 42 reviews — the moat a new listing must climb.

thhn wire 12 gauge

Worth a look

Shows a thin review moat (42 avg reviews), but strong incumbent ratings (4.7★) keeps it on the watch list.

Review moat

Incredible41.65

avg incumbent reviews — the moat a new listing must climb

Avg price

Great$55.90

avg listing price — sweet spot $15–$100

Competition

Great33%

top-5 click share — an open shelf

Returns

Good2.1%

return rate — above 5% kills the launch gate

Price range

Good$16.18–$132.38

cheapest to priciest tracked listing — scored on the share inside $15–$100

Growth

Okay+18.4%

90-day search growth — must beat 0% to launch

Brand share

Okay78%

top-5 brand share — brands hold most of the demand

Conversion

Bad1.8%

search→purchase rate — share of searches ending in a sale

Market size

Bad$81K

$81K/yr · 81K searches

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Signals Low Review Barrier High Price

According to Flapen's Amazon United States niche tracking, thhn wire 12 gauge is a $81K/yr Amazon United States market (81K searches/yr). The top 5 brands hold 78% of demand. Verdict: Worth a look — 51/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

thhn wire 12 gauge market data

Units sold / yr: 2K–2K; avg 0–100/product
Revenue / yr: $84K–$112K; units × avg price
Conversion rate: 1.8%
Avg BSR: #346
Page quality: 0%
Prime: 98%
Sponsored: 82%
Out of stock: 3.2%
Avg brand age: 59 months
Avg seller age: 171 days

Competition & brand share

Clicks spread well past the top 5 (33% combined) — an open shelf where new products get seen.

Brands

14 rising

Sellers

Top-5 brand share

78%

Top 20: 100%

Top-5 click share

33%

Top 20: 77%

Open market

12%

FIRMERST22%
XRDS -RF18%
Southwire15%
Kimbluth12%
MOOKEERF10%
YDDECW10%
Open — no brand owns it (8 brands, 12%)

Demand & seasonality

Weekly Amazon search volume, last 60 weeks — +18.4% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.3×

Open Trend

Top thhn wire 12 gauge search terms

thhn wire 12 gauge25K/yr +21.1%1.8% conv.
thhn wire13K/yr +20.8%0.4% conv.
thwn 12 gauge wire8K/yr +25.4%1.7% conv.
thhn6K/yr +13.3%0.6% conv.
12 gauge thhn wire5K/yr +31.1%1.4% conv.
12 thhn stranded wire5K/yr +29.1%2.5% conv.
12 awg thhn wire6K/yr -2.7%1.6% conv.
thwn wire4K/yr +3.3%0.5% conv.
thhn wire 12 gauge solid4K/yr +8.0%0.8% conv.
12 awg thhn3K/yr +13.2%1.8% conv.

All search terms

Top thhn wire 12 gauge 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.

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

FIRMERST 12 AWG THHN/THWN Copper Wire 3-Color Pre-Twisted 50 FT

FIRMERST$63.494.5★56 rev

Southwire 25 ft. 12/3 Black/White/Green Solid CU THHN Tri-Wire

Southwire$32.914.8★142 rev

12 AWG THHN Wire 50FT 3-Color Set (Black/White/Green) Stranded Copper Pre-Twisted Conductors THHN/THWN-2 Rated 600V Nylon Jacket for Conduit Residential & Commercial Wiring

XRDS -RF$65.224.5★15 rev

12 AWG THHN Wire 25FT 3-Color Set (Black/White/Green) Stranded Copper Pre-Twisted Conductors THHN/THWN-2 Rated 600V Nylon Jacket for Conduit Residential & Commercial Wiring

XRDS -RF$34.884.6★52 rev

FIRMERST 12 AWG THHN/THWN Copper Wire 3-Color Pre-Twisted 100 FT

FIRMERST$118.814.5★56 rev

Newest

by launch date

MOOKEERF THHN Wire 12 Gauge 3 Conductor (Black/White/Green) 15FT - OFC Stranded Copper 12 AWG Pre-Twisted Electrical Building Wire 600V with Nylon Jacket for Residential Industrial Ground CNC

MOOKEERF$25.7933 rev

3mo ago

MOOKEERF THHN Wire 12 Gauge 3 Conductor (Black/White/Green) 50FT - OFC Stranded Copper 12 AWG Pre-Twisted Electrical Building Wire 600V with Nylon Jacket for Residential Industrial Ground CNC

MOOKEERF$65.4133 rev

3mo ago

MOOKEERF THHN Wire 12 Gauge 100FT - OFC Solid Copper 10 AWG Electrical Building Wire 600V with Nylon Jacket and PVC Insulation for Residential Ground Industrial CNC Panel Wiring - Green

MOOKEERF$45.902 rev

4mo ago

FIRMERST 12 AWG THHN/THWN Copper Wire 3-Color Pre-Twisted 75 FT

FIRMERST$93.6156 rev

6mo ago

12 AWG THHN Wire 3-Conductor (Black/White/Green) Stranded Copper THHN/THWN-2 Rated 600V Nylon Jacket for Indoor/Outdoor Residential Commercial & Industrial Wiring (15 FT)

YDDECW$25.6248 rev

6mo ago

What buyers say about thhn wire 12 gauge

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall29%

“it performed great”

Value For Money21%

“Great value”

Advertised Vs Actual Product15%

“Works as advertised”

Flexibility6%

“The wire is flexible enough to work with”

Ease Of Use6%

“Easy to use”

Color3%

“Bright colors”

Material Quality3%

“The insulation and nylon jacket feel durable and well made”

Size-Overall3%

“by all appearances it seems to be the proper size”

Functionality-Overall2%

“devices go in smoothly”

Compatibility-Overall2%

“It's working fine for my light's and cameras”

What buyers complain about

Quality-Overall19%

“Very cheap product”

Ease Of Use11%

“That seems tedious”

Flexibility11%

“I will say it is not super flexible”

Size-Overall9%

“They just make the insulation bigger”

Advertised Vs Actual Product7%

“Not as advertised”

Color7%

“Substituting colors”

Material Quality5%

“The reason for that appears to be in the sheathing being a harder plastic”

Certifications2%

“Cannot comment on the THHN/W certification as I am relying upon the seller's representation”

Thickness2%

“thicker than normal”

Natural Resource Wastage2%

“Waste of time and money”

Top return reasons

Advertised Vs Actual Product22%

Size-Overall19%

Value For Money12%

Material Quality6%

Certifications6%

Quality-Overall5%

Stiffness4%