gfci extension cord
Worth a lookShows a sweet-spot price point ($29.47 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Avg price
Incredible$29.47avg listing price — sweet spot $15–$100
Price range
Great$10.73–$61.29cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Great1.4%return rate — above 5% kills the launch gate
Competition
Great39%top-5 click share — an open shelf
Brand share
Good66%top-5 brand share — brands hold most of the demand
Growth
Good+37.7%90-day search growth — must beat 0% to launch
Conversion
Good4.4%search→purchase rate — share of searches ending in a sale
Review moat
Okay1,590.73avg incumbent reviews — the moat a new listing must climb
Market size
Okay$155K$155K/yr · 120K searches
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, gfci extension cord is a $155K/yr Amazon United States market (120K searches/yr). The top 5 brands hold 66% of demand. Demand peaks in Jun. Verdict: Worth a look — 60/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
gfci extension cord market data
- Units sold / yr
- 8K–10K
- avg 100–250/product
- Revenue / yr
- $236K–$295K
- units × avg price
- Conversion rate
- 4.4%
- Avg BSR
- #615
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 92%
- Out of stock
- 3.6%
- Avg brand age
- 55 months
- Avg seller age
- 183 days
Competition & brand share
Clicks spread well past the top 5 (39% combined) — an open shelf where new products get seen.Brands
22 rising
Sellers
50
Top-5 brand share
66%
Top 20: 98%
Top-5 click share
39%
Top 20: 78%
Open market
30%
- DEWENWILS43%
- Watt's Wire10%
- EP4%
- JIOODICH.4%
- ELEGRP4%
- Tower4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +37.7% search growth over the last 90 days.Peak months: Jun · busiest ÷ quietest = 1.7×
Top gfci extension cord search terms
- gfci extension cord84K/yr
- gfci extension cord outdoor8K/yr
- gfci extension cord for pool pump4K/yr
- gfci cord11K/yr
- gfci extension5K/yr
- gfci power cord3K/yr
- extension cord gfci3K/yr
- gfci outdoor extension cords3K/yr
Top gfci extension cord 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
DEWENWILS 3 FT Automatic GFCI Extension Cord Outdoor 12/3 Gauge Extension Cord for Multiple Appliances Heavy Duty Power Cable with LED Lighted 3 Prong Plug Yellow UL Listed
DEWENWILS$26.274.7★1,216 rev
DEWENWILS 3Ft Automatic GFCI Extension Cord Outdoor 12/3 SJTW Heavy Duty Extension Cord Power Cord with LED Lighted 3 Prong Plug 15A/125V/1875W Yellow UL Listed
DEWENWILS$25.224.6★129 rev
DEWENWILS 3Ft Automatic GFCI Extension Cord Outdoor 12/3 SJTW Heavy Duty Extension Cord Power Cord with LED Lighted 3 Prong Plug 15A/125V/1875W Black UL Listed
DEWENWILS$25.154.6★129 rev
10 ft GFCI Extension Cord - Outdoor Extension Cord Waterproof - Heavy Duty Outdoor Extension Cords 10 ft with Multiple Outlets - Watts Wire - 10 Grounded - GFI Cord
Watt's Wire$53.154.7★649 rev
CCCEI GFCI Outdoor Power Strip Weatherproof with 8 AC Waterproof Extension Cord with Multiple Outlets Wall Mount Surge Protector Flat Plug Christmas Exterior Garden Yard 15FT Yellow.
CCCEI$39.864.5★133 rev
Newest
by launch date
JIOODICH. 3 FT Auto GFCI Extension Cord Outdoor with 3 Outlets 12/3 SJTW
JIOODICH.$23.5046 rev
GFCI Power Strip with 10ft Heavy Duty Extension Cord 3 Outlet (1875W/15A) with 30mA RCBO Circuit Breaker for Home Factory Workshop Garage Covered Outdoor
BEVA$38.9410 rev
CCCEI GFCI Outdoor Power Strip Weatherproof with 8 AC Waterproof Extension Cord with Multiple Outlets Wall Mount Surge Protector Flat Plug Christmas Exterior Garden Yard 15FT Yellow.
CCCEI$39.86133 rev
DEWENWILS 6FT Automatic GFCI Extension Cord Outdoor Heavy Duty 12/3 SJTW Cord with LED Lighted Plug for Leaf Blower Lawnmower Weed Whacker 15A 125V Yellow UL Listed
DEWENWILS$33.081,216 rev
2 Prong GFCI Power Strip VINTAR 2 Prong to 3 Prong GFCI Plug Adapter 6ft Extension Cord with 6 Outlets & 4 USB(2 USB-C) 1050J Surge Protector Polarized Plug Wall Mount for Non-Grounded Outlet
VINTAR$39.7468 rev
Trending
90-day click momentum
6 ft Outdoor Extension Cord Waterproof - GFCI Extension Cord 6 ft - Heavy Duty Outdoor Extension Cords - WeatherWire - GFI Cord
WeatherWire$33.275.0★
DEWENWILS 3Ft Automatic GFCI Extension Cord Outdoor 12/3 SJTW Heavy Duty Extension Cord Power Cord with LED Lighted 3 Prong Plug 15A/125V/1875W Yellow UL Listed
DEWENWILS$25.224.6★
10 ft GFCI Extension Cord - Outdoor Extension Cord Waterproof - Heavy Duty Outdoor Extension Cords 10 ft with Multiple Outlets - Watts Wire - 10 Grounded - GFI Cord
Watt's Wire$53.154.7★
DEWENWILS 3 FT Automatic GFCI Extension Cord Outdoor 12/3 Gauge Extension Cord for Multiple Appliances Heavy Duty Power Cable with LED Lighted 3 Prong Plug Black UL Listed
DEWENWILS$26.034.7★
DEWENWILS 3Ft Outdoor GFCI Extension Cord Manual 12/3 SJTW Heavy Duty Extension Cord Power Cord with LED Lighted 3 Prong Plug 15A/125V/1875W Black UL Listed
DEWENWILS$24.094.4★
What buyers say about gfci extension cord
What buyers praise and complain about, mined from review topics.What buyers love
“Functional good quality”
“As described”
“also has a bunch of USB ports”
“Easy Peasy”
“charges fast and is easy to mount”
“Great Value”
“Fit as advertised”
“Strong material”
“Very useful for traveling”
“Very well built”
What buyers complain about
“Broke”
“The usb ports don't work”
“It does not seem to function”
“The USB ports are not fast charging”
“Poor quality control”
“Flimsy”
“A bit heavy and bulky”
“Caught Fire”
“did not work in ANY OUTLET”
“couldn't be easier to use”
Top return reasons
Common questions
- Is gfci extension cord profitable to sell on Amazon United States?
- The niche generates $155K/yr across 37 tracked products. 2 of 5 products launched in the last 360 days are still selling. 90-day search growth is +37.7%. Flapen's verdict: Worth a look (60/100).
- How competitive is the gfci extension cord niche?
- 22 brands and 50 sellers compete. The top 5 products take 39% of clicks and top 5 brands hold 66% of demand.
- What do buyers complain about in gfci extension cord?
- Top complaints mined from reviews: Durability, Socket/Port/Plug, Functionality-Overall. The return rate is 1.4%.
- When does demand for gfci extension cord peak?
- Demand peaks in Jun; the busiest month runs 1.7× the quietest.
- What does it cost to enter the gfci extension cord niche?
- Listings span $10.73–$61.29; the average listing price is $29.47 (sweet spot $15–$100). The average incumbent carries 1,591 reviews — the moat a new listing must climb.