Nilight 30 AMP Generator Power Inlet Box 125/250V NEMA L14-30P Receptacle Box LED Indicator Pre-drilled ETL Listed Enclosed Lockable Box Waterproof Outlet for RV Camper Outdoor Use
Nilight 30 AMP Generator Power Inlet Box 125/250V NEMA L14-30P Receptacle Box LED Indicator Pre-drilled ETL Listed Enclosed Lockable Box Waterproof Outlet for RV Camper Outdoor Use
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Nilight 30 AMP Generator Power Inlet Box 125/250V NEMA L14-30P Receptacle Box LED Indicator Pre-drilled ETL Listed Enclosed Lockable Box Waterproof Outlet for RV Camper Outdoor Use

Nilight 30 AMP Generator Power Inlet Box 125/250V NEMA L14-30P Receptacle Box LED Indicator Pre-drilled ETL Listed Enclosed Lockable Box Waterproof Outlet for RV Camper Outdoor UseNilight 30 AMP Generator Power Inlet Box 125 250V NEMA L14 30P Receptacle Box LED Indicator Pre drilled ETL Listed Enclosed Lockable Box Waterproof ONilight Waterproof 50 AMP Generator Power inlet BoxNilight 30AMP RV Power Outlet Box 125V NEMA TT 30R Receptacle Box Heavy Duty Pre Drilled ETL Listed Enclosed Lockable Box Waterproof Outlet RV CamperNilight 50AMP RV EV Power Outlet Box 125 250V NEMA 14 50R Receptacle Box Heavy Duty Pre drilled ETL Listed Enclosed Lockable Box Waterproof Outlet RVNilight 30 AMP Generator Power Inlet Box 125V NEMA L5 30P Receptacle Box LED Indicator Pre drilled ETL Listed Enclosed Lockable Box Waterproof Outlet
Finish:30 AMP Generator Power Inlet Box L14-30P

Key item features

  • Robust Construction: This heavy-duty metal power box features an anti-rust coating and a flip design with weatherproofing foam, enhancing durability against wind, rain, and rust while preventing dust and humid air.
  • Enhanced Installation: The upgraded design includes four pre-drilled holes on multiple sides, eliminating the need for drilling and allowing for easy wire insertion from any direction, accommodating heavy gauge wires.
  • Safety Indicator: A clear green LED indicator light illuminates when power is successfully and correctly connected, providing improved safety and performance, especially in dark conditions.
  • Electrical Specifications: Rated for 30 AMP 125/250V with a NEMA L14-30P receptacle, this inlet box is suitable for all 30 amp NEMA L14-30 generator cords, supporting a maximum loading of 7500W.
  • Certified Safety: The product is ETL Listed, having been tested at an ETL laboratory to meet all applicable safety standards published by relevant NRTLs, ensuring safer power transmission.
  • Spacious Wiring: The outlet box offers ample internal space, facilitating neater wiring, better heat dissipation, and contributing to a longer service life for the unit.
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Current price is $36.99
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Sold by Nilight INC.
Fulfilled by Walmart
4.685185185185185 stars out of 5, based on 486 seller reviews(4.7)
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About this item

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4.7 out of 5 stars
stars19 ratings10 reviews
How item rating is calculated
  1. 5 stars84% (16)
  2. 4 stars11% (2)
  3. 3 stars0% (0)
  4. 2 stars0% (0)
  5. 1 star5% (1)

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Showing 1-3 of 10 reviews

Mar 29, 2026
Nichlas
Item details
Finish: 30 AMP Generator Power Inlet Box L14-30P
Sold byNilight INC.Delivered byWalmart
5 out of 5 stars review

Verified Purchase

A perfect size box and even a indicator light!

I like the size and the green indicator light. Box gave me enough room for all the heavier wire. Knock outs are nice as they are just a plastic pop out. Just a very nice box. I did order a different one but I just returned it as it was much smaller and did not have a green indicator light. This one is metal and a much better value than the other one. Installed it yesterday, no issues and a great quality item. If I ever need another one I would buy this one again.

Helpful?5VDHAGHKJB535686607106
Jan 23, 2026
Phillip
Item details
Finish: 30AMP RV Power Outlet Box
Sold byNilight INC.Delivered byWalmart
5 out of 5 stars review

Verified Purchase

Installed and works nicely

Easy to install. Well built, and seems everything is built tough. Looking forward to using for camper.

Helpful?5VDHAGHKJB535686607106
Apr 30, 2026
Michael
Item details
Finish: 30 AMP Generator Power Inlet Box L5-30P
Sold byNilight INC.Delivered byWalmart
5 out of 5 stars review

Verified Purchase

This box was a little more money, but I think well worth it. Easy installation, protects the plugin very well.

Helpful?5VDHAGHKJB535686607106