30 Amp Generator Inlet Box
FailDemand is soft, at -62.5% this quarter, so 30 Amp Generator Inlet Box is a Fail.
- Flapen Score
- 43 / 100Ranks 7,607 of 8,839 Patio, Lawn & Garden niches · −13 vs the category median of 5643
- Market size
- $491K/yr224K searches / yr
- 90-day growth
- -62.5%search demand this quarter
- Competition
- 68%top-5 click share · 13 brands · 55 sellers
Flapen Score
30 Amp Generator Inlet Box against its category
The dotted line is the Patio, Lawn & Garden average. Past it, 30 Amp Generator Inlet Box is stronger. Inside it, weaker.
Market
The 30 Amp Generator Inlet Box market on Amazon at a glance
Shoppers on Amazon United States searched for 30 Amp Generator Inlet Box 224K times last year and spent an estimated $491K. The top 5 brands take 83% of clicks. Demand peaks in Jan–Feb–Oct. Flapen scores it 43 out of 100, a Fail.
01 · Demand
An estimated 4.7% of those searches ended in a purchase.
Shoppers searched for this 224K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 4.7% of those searches ended in a purchase. Searches in the last 90 days moved -62.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $491K a year.
- Searches, last 12 months
- 224K
- Growth, 90 days vs prior 90
- -62.5%
- Conversion, latest week
- 4.7%
- Market size, estimated
- $491Ka year
- Peak month
- October3.4× the quietest month
- Top search term
- 30 amp generator inlet box69K searches a year
02 · Price
A sale here is worth $46.52.
Listings sell for $46.52 on average, from $16.95 to $90.45. Amazon reports units sold in ranges. This niche sold 10K to 13K a year. The average listing sells 250 to 500 of them. At $46.52 that is $12K to $23K a year per listing.
- Average price
- $46.52inside the $15 to $100 sweet spot
- Price range
- $16.95–$90.45
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 10K–13K
- Units per listing a year
- 250–500
- Revenue per listing a year
- $12K–$23K
- Returns
- 2.8%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
90% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 7.2% of listings are out of stock. The average listing ranks #29 within Generators & Portable Power. It carries 607 reviews at 4.75 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 90%
- Prime listings
- 100%
- Out of stock, average day
- 7.2%
- Average rank
- #29in Generators & Portable Power
- Average rating
- 4.75 starsAmazon United States average 4.42 stars
- Average reviews
- 607per listing
- Listings tracked
- 20
04 · Newcomers
Brands here are settling in.
The brands on the shelf have sold for 41 months on average, so the names here are settling in.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 41 months
Products
Top 30 Amp Generator Inlet Box 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 23, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Pre-Drilling 30 Amp Generator Inlet Box NEMA L14-30P Power Inlet Box
- Price
- $29.05
- Rating
- 4.8/5
- Reviews
- 427
- Age
- 4y ago

CircleCord 30 Amp 4 Prong Generator Power Inlet Box NEMA L14-30P Power Inlet Box for 4 Prong Generator Cord 125/250 Volt 7500 Watts Weatherproof Outdoor Use for Emergency Ready ETL Listed
- Price
- $24.02
- Rating
- 4.7/5
- Reviews
- 300
- Age
- 4y ago

RVINGPRO 30 Amp Generator Cord 25FT and Power Inlet Box Pre-Drilled 30 Amp Generator Inlet Box with Cord NEMA L14-30P to L14-30R Generator Cord Waterproof Combo Kit ETL Listed
- Price
- $67.31
- Rating
- 4.8/5
- Reviews
- 662
- Age
- 4y ago

RVMATE Pre-Drilling 50 Amp Generator Inlet Box NEMA SS2-50P Inlet Box
- Price
- $31.33
- Rating
- 4.7/5
- Reviews
- 575
- Age
- 4y ago

RVINGPRO 30 Amp Generator Cord 15FT and Power Inlet Box Pre-Drilled 30 Amp Generator Inlet Box with Cord NEMA L14-30P to L14-30R Generator Cord Waterproof Combo Kit ETL Listed
- Price
- $59.80
- Rating
- 4.8/5
- Reviews
- 662
- Age
- 4y ago
Trending
estimated 90-day click momentum
OPL5 30AMP Generator Power Inlet Box with Pre Punched Knockouts NEMA L14-30P for 4 Prong Generator with LED Indicator Light 125/250 Volt 7500 Watts for Outdoor Use ETL Listed (L14-30P)
- Price
- $16.95
- Rating
- 5.0/5
- Reviews
- 9
- Age
- 3y ago

CircleRiver 50 Amp 15Feet Generator Cord and Power Inlet Box Combo Kit NEMA 14-50P Male to SS2-50R STW 6/3+8/1 AWG 125/250V Twist Locking with Inlet Box for Generator to House
- Price
- $90.45
- Rating
- 4.8/5
- Reviews
- 577
- Age
- 3y ago

Islewire 30 Amp Generator Power Inlet Box Pre-drilled NEMA L14-30P Box for 4-Prong Generator Cord 125/250V 7500W Weatherproof NEMA 3R for Outdoor Use LED Indicator Emergency Ready ETL Listed
- Price
- $18.50
- Rating
- 4.9/5
- Reviews
- 31
- Age
- 1y ago

CircleCord 30 Amp 4 Prong Generator Power Inlet Box NEMA L14-30P Power Inlet Box for 4 Prong Generator Cord 125/250 Volt 7500 Watts Weatherproof Outdoor Use for Emergency Ready ETL Listed
- Price
- $24.02
- Rating
- 4.7/5
- Reviews
- 300
- Age
- 4y ago

30-Amp Generator Inlet Box NEMA L14-30P RV Generator Power Inlet Box Indoor/Outdoor Waterproof Transfer Switch PB30 Inlet Box Plug 4 Prong 125/250 Volts Up to 7 500 Watts ETL Listed
- Price
- $24.87
- Rating
- 4.9/5
- Reviews
- 40
- Age
- 5y ago
Newest
by launch date
SURAIELEC 50 Amp Generator Power Inlet Box NEMA SS2-50P Generator Box for 3-Prong Generator Cord 120/240V 12000W Weatherproof Outdoor Outlet Receptacle
- Price
- $68.02
- Rating
- 4.8/5
- Reviews
- 134
- Age
- 1y ago

Islewire 30 Amp Generator Power Inlet Box Pre-drilled NEMA L14-30P Box for 4-Prong Generator Cord 125/250V 7500W Weatherproof NEMA 3R for Outdoor Use LED Indicator Emergency Ready ETL Listed
- Price
- $18.50
- Rating
- 4.9/5
- Reviews
- 31
- Age
- 1y ago

SURAIELEC 30 Amp Generator Power Inlet Box NEMA L14-30P Generator Box for Generator Cord 120/240V Weatherproof Outdoor Outlet Receptacle Outlet ETL Listed Ready for Emergency Use
- Price
- $57.18
- Rating
- 4.7/5
- Reviews
- 149
- Age
- 1y ago

VEVOR 30 Amp Generator Cord and Power Inlet Box Kit 25 FT Generator Extension Cord NEMA L14-30P/L14-30R STW 10 AWG with Twist Lock Connector Pre-Drilled Inlet Box ETL Listed
- Price
- $62.95
- Rating
- 4.7/5
- Reviews
- 245
- Age
- 2y ago

OPL5 30AMP Generator Power Inlet Box with Pre Punched Knockouts NEMA L14-30P for 4 Prong Generator with LED Indicator Light 125/250 Volt 7500 Watts for Outdoor Use ETL Listed (L14-30P)
- Price
- $16.95
- Rating
- 5.0/5
- Reviews
- 9
- Age
- 3y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 68% of clicks. Leaders hold, but buyers still shop past them.
Brands
13 falling
Sellers
55
Est. top-5 brand share
83%
Top 20: 100%
Est. top-5 click share
68%
Top 20: 100%
Open market
14%
- RVMATE38%
- RVINGPRO18%
- CircleCord16%
- SURAIELEC7%
- Connecticut Electric4%
- Reliance Controls3%
- Open — no brand owns it (7 brands, 14%)
Demand
30 Amp Generator Inlet Box search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan, Feb, Oct · busiest ÷ quietest = 3.4×
Search terms
Top 30 Amp Generator Inlet Box search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- 30 amp generator inlet box69K/yr
- generator inlet box27K/yr
- power inlet box18K/yr
- generator inlet11K/yr
- generator outlet9K/yr
- generator power inlet box10K/yr
- generator inlet box 30 amp kit8K/yr
- 30amp generator inlet box12K/yr
- 30 amp inlet box8K/yr
- 30 amp power inlet box7K/yr
Reviews and returns
What reviews say buyers love and hate about 30 Amp Generator Inlet Box
We read the reviews and the return reasons for every product selling here.
“Box will rust”
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.
19 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 30 Amp Generator Inlet Box 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









