---
title: "Thhn Wire 12 Gauge — $81K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/thhn-wire-12-gauge"
last_updated: "2026-08-06T22:10:20.295Z"
locale: en
meta:
description: "Niche score 51/100 · $81K/yr market · 81K searches/yr · $55.90 avg price. Strong incumbent ratings (4.7★) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 51/100 · $81K/yr market · 81K searches/yr · $55.90 avg price. Strong incumbent ratings (4.7★) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Thhn Wire 12 Gauge — $81K/yr Amazon US Niche (2026) - Flapen"
---
# **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.
Market size 20Growth 48Conversion 22Competition 82Returns 72Price range 72Avg price 91Brand share 45Review moat 98Quality gap 19
**Review moat**
**Incredible****41.65**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Great****$55.90**
avg listing price — sweet spot $15–$100
**Competition**
**Great****33%**
top-5 click share — an open shelf
**Returns**
**Good****2.1%**
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**
**Okay****78%**
top-5 brand share — brands hold most of the demand
**Conversion**
**Bad****1.8%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****$81K**
$81K/yr · 81K searches
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**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, 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 ~~](https://flapen.com/research/methodology)
## **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**
**50**
**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.
2K1K seasonJunJulAugSepOctNovDecJanFebMarAprMayJunJul
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/thhn-wire-12-gauge/trend)
## **Top thhn wire 12 gauge search terms**
- **thhn wire 12 gauge**25K/yr+21.1%1.8% conv. - **thhn wire**13K/yr+20.8%0.4% conv. - **thwn 12 gauge wire**8K/yr+25.4%1.7% conv. - **thhn**6K/yr+13.3%0.6% conv. - **12 gauge thhn wire**5K/yr+31.1%1.4% conv. - **12 thhn stranded wire**5K/yr+29.1%2.5% conv. - **12 awg thhn wire**6K/yr-2.7%1.6% conv. - **thwn wire**4K/yr+3.3%0.5% conv. - **thhn wire 12 gauge solid**4K/yr+8.0%0.8% conv. - **12 awg thhn**3K/yr+13.2%1.8% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/thhn-wire-12-gauge/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.
0%3%$2K6%$5K9%$7K12%$10K1101001K 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**FIRMERST 12 AWG THHN/THWN Copper Wire 3-Color Pre-Twisted 50 FT**FIRMERST**$63.49**4.5★56 rev](https://www.amazon.com/dp/B0FK9B8LTD) [2**Southwire 25 ft. 12/3 Black/White/Green Solid CU THHN Tri-Wire**Southwire**$32.91**4.8★142 rev](https://www.amazon.com/dp/B0B6WLRW9W) [3**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**$65.22**4.5★15 rev](https://www.amazon.com/dp/B0FX2PH4LQ) [4**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**$34.88**4.6★52 rev](https://www.amazon.com/dp/B0FX2Q4C4C) [5**FIRMERST 12 AWG THHN/THWN Copper Wire 3-Color Pre-Twisted 100 FT**FIRMERST**$118.81**4.5★56 rev](https://www.amazon.com/dp/B0FK8VGBSW)
**~~View all top sellers →~~**
### **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**$25.79**33 rev3mo ago](https://www.amazon.com/dp/B0GX16YMDN) [**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**$65.41**33 rev3mo ago](https://www.amazon.com/dp/B0GWZY9TMM) [**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**$45.90**2 rev4mo ago](https://www.amazon.com/dp/B0GSVNHVVG) [**FIRMERST 12 AWG THHN/THWN Copper Wire 3-Color Pre-Twisted 75 FT**FIRMERST**$93.61**56 rev6mo ago](https://www.amazon.com/dp/B0GHTNY9ZH) [**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**$25.62**48 rev6mo ago](https://www.amazon.com/dp/B0GFKVGCK4)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**FIRMERST 12 AWG THHN/THWN Copper Wire 3-Color Pre-Twisted 75 FT**FIRMERST**$93.61**4.5★**▲ 184%**](https://www.amazon.com/dp/B0GHTNY9ZH) [**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**$25.79**4.6★**▲ 184%**](https://www.amazon.com/dp/B0GX16YMDN) [**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 (25 FT)**YDDECW**$35.38**4.7★**▲ 184%**](https://www.amazon.com/dp/B0GFL62GNP) [**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**$45.90**4.5★**▲ 182%**](https://www.amazon.com/dp/B0GSVNHVVG) [**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**$65.41**4.6★**▲ 181%**](https://www.amazon.com/dp/B0GWZY9TMM)
**~~View all trending →~~**
## **What buyers say about thhn wire 12 gauge**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**29%
*“it performed great”*
**Value For Money**21%
*“Great value”*
**Advertised Vs Actual Product**15%
*“Works as advertised”*
**Flexibility**6%
*“The wire is flexible enough to work with”*
**Ease Of Use**6%
*“Easy to use”*
**Color**3%
*“Bright colors”*
**Material Quality**3%
*“The insulation and nylon jacket feel durable and well made”*
**Size-Overall**3%
*“by all appearances it seems to be the proper size”*
**Functionality-Overall**2%
*“devices go in smoothly”*
**Compatibility-Overall**2%
*“It's working fine for my light's and cameras”*
### **What buyers complain about **
**Quality-Overall**19%
*“Very cheap product”*
**Ease Of Use**11%
*“That seems tedious”*
**Flexibility**11%
*“I will say it is not super flexible”*
**Size-Overall**9%
*“They just make the insulation bigger”*
**Advertised Vs Actual Product**7%
*“Not as advertised”*
**Color**7%
*“Substituting colors”*
**Material Quality**5%
*“The reason for that appears to be in the sheathing being a harder plastic”*
**Certifications**2%
*“Cannot comment on the THHN/W certification as I am relying upon the seller's representation”*
**Thickness**2%
*“thicker than normal”*
**Natural Resource Wastage**2%
*“Waste of time and money”*
### **Top return reasons **
**Advertised Vs Actual Product**22%
**Size-Overall**19%
**Value For Money**12%
**Material Quality**6%
**Certifications**6%
**Quality-Overall**5%
**Stiffness**4%
**Color**3%
**Functionality-Overall**3%
**Compatibility-Overall**3%
## **Common questions**
- **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.
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