Nema 14-50 Extension Cord
FailThe products selling today already average 4.7★, so Nema 14-50 Extension Cord is a Fail.
- Flapen Score
- 41 / 100Ranks 5,810 of 7,287 Automotive niches · −8 vs the category median of 4941
- Market size
- $263K/yr78K searches / yr
- 90-day growth
- -1.2%search demand this quarter
- Competition
- 56%top-5 click share · 11 brands · 14 sellers
Flapen Score
Nema 14-50 Extension Cord against its category
The dotted line is the Automotive average. Past it, Nema 14-50 Extension Cord is stronger. Inside it, weaker.
Market
The Nema 14-50 Extension Cord market on Amazon at a glance
Shoppers on Amazon United States searched for Nema 14-50 Extension Cord 78K times last year and spent an estimated $263K. The top 5 brands take 86% of clicks. Flapen scores it 41 out of 100, a Fail.
01 · Demand
An estimated 4.4% of those searches ended in a purchase.
Shoppers searched for this 78K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 4.4% of those searches ended in a purchase. Searches in the last 90 days moved -1.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $263K a year.
- Searches, last 12 months
- 78K
- Growth, 90 days vs prior 90
- -1.2%
- Conversion, latest week
- 4.4%
- Market size, estimated
- $263Ka year
- Peak month
- July1.4× the quietest month
- Top search term
- nema 14-50 extension cord52K searches a year
02 · Price
A sale here is worth $76.88.
Listings sell for $76.88 on average, from $33.59 to $175.02. Amazon reports units sold in ranges. This niche sold 3K to 4K a year. The average listing sells 100 to 250 of them. At $76.88 that is $8K to $19K a year per listing.
- Average price
- $76.88inside the $15 to $100 sweet spot
- Price range
- $33.59–$175.02
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 3K–4K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $8K–$19K
- Returns
- 5.7%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads.
100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 1.9% of listings are out of stock. The average listing ranks #100 within RV Parts & Accessories. It carries 791 reviews at 4.71 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 100%
- Out of stock, average day
- 1.9%
- Average rank
- #100in RV Parts & Accessories
- Average rating
- 4.71 starsAmazon United States average 4.42 stars
- Average reviews
- 791per listing
- Listings tracked
- 21
04 · Newcomers
0 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 46 months on average, so the names here are settling in.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 46 months
Products
Top Nema 14-50 Extension Cord products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 11, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
POWGRN NEMA 14-50P to NEMA 14-50R 25FT 50 Amp RV/EV Extension Cord Outdoor with Grip Handle Flexible 4 Prong Heavy Duty RV Power Cord Waterproof 50A 125/250V 6250/12500W STW ETL Listed
- Price
- $74.83
- Rating
- 4.7/5
- Reviews
- 860
- Age
- 3y ago

POWGRN NEMA 14-50P to NEMA 14-50R 10 FT 50 Amp RV/EV Extension Cord Outdoor with Grip Handle Flexible Heavy Duty RV Power Cord Waterproof 50A 125/250V 6250/12500W STW Black-Yellow ETL Listed
- Price
- $46.25
- Rating
- 4.8/5
- Reviews
- 364
- Age
- 2y ago

RVGUARD 50 Amp 25 Foot RV/EV Extension Cord NEMA 14-50P/R Heavy Duty Extension Cord with LED Power Indicator and Cord Organizer Green ETL Listed
- Price
- $75.79
- Rating
- 4.8/5
- Reviews
- 2,100
- Age
- 6y ago

PlugSaf NEMA 14-50P/14-50R 15 FT 50 Amp RV/EV Extension Cord Outdoor with Grip Handle 4 Prong Flexible Heavy Duty STW RV Power Cord Waterproof 50A 125/250V 6250/12500W Black-Yellow ETL Listed
- Price
- $58.39
- Rating
- 4.7/5
- Reviews
- 303
- Age
- 3y ago

POWGRN NEMA 14-50P to NEMA 14-50R 50 Amp RV/EV Extension Cord 6 FT Outdoor with Grip Handle Flexible Heavy Duty RV Power Cord Waterproof 50A 125/250V 6250/12500W STW Black-Yellow ETL Listed
- Price
- $39.72
- Rating
- 4.7/5
- Reviews
- 860
- Age
- 1y ago
Trending
estimated 90-day click momentum
CircleCord 50 Amp 25 Feet RV/EV Extension Cord Heavy Duty 6/3+8/1 Gauge STW Wire NEMA 14-50P/R Suit for Tesla Model 3/S/X/Y EV Charging and RV Trailer Campers
- Price
- $84.63
- Rating
- 4.7/5
- Reviews
- 2,103
- Age
- 5y ago

M1A2 RV Power Yellow Extension Cord 10 FT Waterproof NEMA 14-50P Male to 14-50R Female Heavy Duty 6/3+8/1 Gauge STW Wire with Grip Handle ETL Listed 4 Prong 50 Amp 10 Feet
- Price
- $49.46
- Rating
- 4.6/5
- Reviews
- 106
- Age
- 2y ago

Kanayu 50 Amp RV/EV Extension Cord NEMA 14-50P to 14-50R ETL Listed 4 Prong Flexible Heavy Duty STW Outdoor Waterproof Power Cord with Grip Handle for RV EV Camper(3ft)
- Price
- $33.59
- Rating
- 4.5/5
- Reviews
- 70
- Age
- 1y ago

POWGRN NEMA 14-50P to NEMA 14-50R 50 Amp RV/EV Extension Cord 6 FT Outdoor with Grip Handle Flexible Heavy Duty RV Power Cord Waterproof 50A 125/250V 6250/12500W STW Black-Yellow ETL Listed
- Price
- $39.72
- Rating
- 4.7/5
- Reviews
- 860
- Age
- 1y ago

CircleCord ETL Listed 50 Amp 50 Feet RV/EV Extension Cord Heavy Duty 6/3+8/1 Gauge STW Wire NEMA 14-50P/R Suit for Tesla Model 3/S/X/Y EV Charging and RV Trailer Campers
- Price
- $175.02
- Rating
- 4.7/5
- Reviews
- 2,103
- Age
- 5y ago
Newest
by launch date
50 Amp RV/EV Extension Cord 4 Prong NEMA 14-50P to 14-50R 50F/50M Cable Suit for RV Trailer Campers Tesla Model 3-S-X-Y Heavy Duty STW with Cord Organizer ETL Listed (3 FT)
- Price
- $37.86
- Rating
- 4.8/5
- Reviews
- 67
- Age
- 11mo ago

POWGRN NEMA 14-50P to NEMA 14-50R 50 Amp RV/EV Extension Cord 6 FT Outdoor with Grip Handle Flexible Heavy Duty RV Power Cord Waterproof 50A 125/250V 6250/12500W STW Black-Yellow ETL Listed
- Price
- $39.72
- Rating
- 4.7/5
- Reviews
- 860
- Age
- 1y ago

50FT Medium Duty Outdoor Extension Cords 14/3 Gauge Electrical Wire Cable 15 Amp Waterproof LED Lighted Locking Plug for Indoor and Outside Use Power Cord ETL Certified
- Price
- $37.49
- Rating
- 4.6/5
- Reviews
- 119
- Age
- 1y ago

Ficstar 30FT 50 Amp RV Extension Cord Outdoor with Grip Handle 125/250V 12500W 4 Prong Heavy Duty 6/3+8/1 Gauge STW NEMA 14-50P to 14-50R with Cord Organizer UL&ETL Listed
- Price
- $109.67
- Rating
- 4.8/5
- Reviews
- 172
- Age
- 1y ago

Kanayu 50 Amp RV/EV Extension Cord NEMA 14-50P to 14-50R ETL Listed 4 Prong Flexible Heavy Duty STW Outdoor Waterproof Power Cord with Grip Handle for RV EV Camper(3ft)
- Price
- $33.59
- Rating
- 4.5/5
- Reviews
- 70
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 56% of clicks. Leaders hold, but buyers still shop past them.
Brands
11 falling
Sellers
14
Est. top-5 brand share
86%
Top 20: 100%
Est. top-5 click share
56%
Top 20: 99%
Open market
11%
- POWGRN42%
- PlugSaf19%
- RVGUARD13%
- Kanayu6%
- CircleCord5%
- Ficstar3%
- Open — no brand owns it (5 brands, 11%)
Demand
Nema 14-50 Extension Cord search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.4×
Search terms
Top Nema 14-50 Extension Cord search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- nema 14-50 extension cord52K/yr
- 14-50 extension cord23K/yr
- 14-50r extension cord3K/yr
Reviews and returns
What reviews say buyers love and hate about Nema 14-50 Extension Cord
We read the reviews and the return reasons for every product selling here.
“Low quality”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
18 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Nema 14-50 Extension Cord questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









