Is underground electrical junction box profitable to sell on Amazon United States?

The niche generates $54K/yr across 40 tracked products. 2 of 7 products launched in the last 360 days are still selling. 90-day search growth is +58.3%. Flapen's verdict: Worth a look (55/100).

How competitive is the underground electrical junction box niche?

22 brands and 74 sellers compete. The top 5 products take 39% of clicks and top 5 brands hold 48% of demand.

What do buyers complain about in underground electrical junction box?

Top complaints mined from reviews: Size-Overall, Water Resistance, Strength. The return rate is 3.5%.

When does demand for underground electrical junction box peak?

Demand peaks in Apr–May–Aug–Sep; the busiest month runs 4.4× the quietest.

What does it cost to enter the underground electrical junction box niche?

Listings span $6.55–$171.05; the average listing price is $42.37 (sweet spot $15–$100). The average incumbent carries 723 reviews — the moat a new listing must climb.

underground electrical junction box

Worth a look

Shows a sweet-spot price point ($42.37 avg), but a small market ($54K/yr) keeps it on the watch list.

Avg price

Incredible$42.37

avg listing price — sweet spot $15–$100

Brand share

Great48%

top-5 brand share — no brand owns this niche

Competition

Great39%

top-5 click share — an open shelf

Growth

Good+58.3%

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

Review moat

Good722.53

avg incumbent reviews — the moat a new listing must climb

Price range

Good$6.55–$171.05

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

Returns

Okay3.5%

return rate — above 5% kills the launch gate

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Conversion

Okay2.4%

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

Market size

Bad$54K

$54K/yr · 54K searches

Signals No Dominant Brand Low Review Barrier

According to Flapen's Amazon United States niche tracking, underground electrical junction box is a $54K/yr Amazon United States market (54K searches/yr). The top 5 brands hold 48% of demand. Demand peaks in Apr–May–Aug–Sep. Verdict: Worth a look — 55/100.

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

underground electrical junction box market data

Units sold / yr: 1K–2K; avg 0–100/product
Revenue / yr: $53K–$64K; units × avg price
Conversion rate: 2.4%
Avg BSR: #300
Page quality: 0%
Prime: 98%
Sponsored: 93%
Out of stock: 5.2%
Avg brand age: 51 months
Avg seller age: 168 days

Competition & brand share

Clicks spread well past the top 5 (39% combined) — an open shelf where new products get seen.

Brands

22 falling

Sellers

Top-5 brand share

48%

Top 20: 99%

Top-5 click share

39%

Top 20: 81%

Open market

46%

Natotela13%
Adamax12%
MAKERELE9%
Tandefio8%
GZHDIAN6%
SZFUDIGO6%

Demand & seasonality

Weekly Amazon search volume, last 90 weeks — +58.3% search growth over the last 90 days.

Peak months: Apr, May, Aug, Sep · busiest ÷ quietest = 4.4×

Open Trend

Top underground electrical junction box search terms

underground junction box14K/yr +58.6%1.5% conv.
direct burial junction box8K/yr +56.3%0.9% conv.
underground electrical junction box10K/yr +51.7%1.9% conv.
underground electrical box6K/yr +26.6%1.8% conv.
underground splice box5K/yr +78.4%1.5% conv.
in ground electrical junction box4K/yr +101.6%3.4% conv.
in ground electrical box4K/yr +70.4%1.5% conv.
inground electrical box3K/yr +54.0%1.1% conv.

All search terms

Top underground electrical junction box 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

Adamax 910 Electrical Splice Box with 10-Inch Diameter 1-Piece Grey

Adamax$43.254.7★220 rev

Natotela 12.5x12.5x14.3in Underground Splice Boxes W/Solid Inspection Cover Deep Enclosure Plastic Precast Pull Distribution Pit Access Electrical Junction Boxes Drillable Tapered Wiring Cable Box

Natotela$61.914.3★19 rev

MAKERELE Waterproof Junction Box with Terminals and Screw IP68 3 Way Clamshell-Type Underground Electrical Junction Box Bury Waterproof Electrical Splice Box Maximum Inner Diameter 12mm

MAKERELE$9.724.4★205 rev

SZFUDIGO Outdoor Waterproof Junction Box PlasticOutdoor Cable Electrical Box Waterproof Open Splice Underground Electrical Junction Water Proof Box2 Way Wire Range 5-12mm Trailer Junction Box

SZFUDIGO$9.564.5★125 rev

KVMORZE 6Pcs Electrical Splice Box 6Underground Electrical Junction Box

KVMORZE$37.264.3★29 rev

Newest

by launch date

DJC Supply 8 x 8 x 6 Non-Metallic Underground Terminal Junction Box Gray Watertight Seal PJB Plastic/Fiberglass Blend 1 Pack

DJC Supply$32.0013 rev

4mo ago

Underground Splice Box with FRP Cover13.4 * 13.4 * 14 in Heavy-Duty Electrical Junction Box PE Pull Distribution Pit Access Deep Electrical Junction Box for Buried Wiring & Low Voltage.

GZHDIAN$64.163 rev

6mo ago

Underground Splice Box with FRP Cover24 * 16 * 16in Heavy-Duty Electrical Junction Box PE Pull Distribution Pit Access Deep Electrical Junction Box for Buried Wiring & Low Voltage.

GZHDIAN$149.543 rev

6mo ago

Natotela 12.5x12.5x14.3in Underground Splice Boxes W/Solid Inspection Cover Deep Enclosure Plastic Precast Pull Distribution Pit Access Electrical Junction Boxes Drillable Tapered Wiring Cable Box

Natotela$61.9119 rev

7mo ago

Natotela 24x16x16in Underground Splice Boxes W/Solid Handle Inspection Cover Deep Enclosure Plastic Precast Pull Distribution Pit Access Electrical Junction Boxes Drillable Tapered Wiring Cable Box

Natotela$155.3719 rev

7mo ago

What buyers say about underground electrical junction box

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

What buyers love

Quality-Overall21%

“Very good quality box”

Advertised Vs Actual Product11%

“As advertised”

Size-Overall7%

“Good overall size to accommodate valves”

Efficiency6%

“Good for automotive uses too”

Strength5%

“Strong and easy to install and use”

Design-Overall5%

“Good design”

Ease Of Use5%

“Easy to use”

Durability5%

“Seems durable”

Value For Money5%

“Lower price”

Material Quality4%

“durable plastic material will definitely recommend it”

What buyers complain about

Size-Overall15%

“wrong size for my needs”

Water Resistance10%

“However, the lid does not feature a watertight seal and sits slightly recessed, so expect some water or debris to collect inside if it is exposed to heavy rain or snow”

Strength8%

“Fragile and easily cracked”

Leak-Proof8%

“Leaked after 32 days being installed”

Quality-Overall6%

“Cheap made”

Advertised Vs Actual Product4%

“this did not fit like the description states”

Material Quality3%

“The grey plastic material is not well defined”

Locking Mechanism3%

“Locks not strong”

Speaker3%

“Outdoor speakers system”

Storage Capacity3%

“The work space was tight”

Top return reasons

Size-Overall77%

Advertised Vs Actual Product6%

Value For Money2%

Functionality-Overall2%

Compatibility-Overall2%

Water Resistance1%

Defective Material/Parts1%

Assembly/Installation1%

Quality-Overall1%

Material Quality1%

Common questions

Is underground electrical junction box profitable to sell on Amazon United States?: The niche generates $54K/yr across 40 tracked products. 2 of 7 products launched in the last 360 days are still selling. 90-day search growth is +58.3%. Flapen's verdict: Worth a look (55/100).
How competitive is the underground electrical junction box niche?: 22 brands and 74 sellers compete. The top 5 products take 39% of clicks and top 5 brands hold 48% of demand.
What do buyers complain about in underground electrical junction box?: Top complaints mined from reviews: Size-Overall, Water Resistance, Strength. The return rate is 3.5%.
When does demand for underground electrical junction box peak?: Demand peaks in Apr–May–Aug–Sep; the busiest month runs 4.4× the quietest.
What does it cost to enter the underground electrical junction box niche?: Listings span $6.55–$171.05; the average listing price is $42.37 (sweet spot $15–$100). The average incumbent carries 723 reviews — the moat a new listing must climb.