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
Hero image 0 of 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, 0 of 9

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

|30 ratings

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.
Generated by AI

Specs

Electrical outlet type, 30A 250V OutletAmps, 30 AmpsBrand, NilightColor, SilverNumber of usb ports, 1Color category, Silver

About this item

Product details

Nilight Generator Power Inlet Box

  • 30 Amp 4 Prong Generator Power Inlet Box Plug: NEMA L14-30P;Max loading: Rated for 30A 125/250V, 7500W. Upgraded design:There are 4 pre-drilled holes on the box, no need to drill holes LED indicator light: The green warning light on the cover will light up when the power is successfully and correctly connected ETL Listed: Our product has been tested at an ETL laboratory and found to meet all applicable Standards for Safety published by relevant NRTLs This 30A power inlet box is a good partner for the generator to accommodate the power cord

Product Features

  • LED indicator light LED will light up when the power is successfully and correctly connected,providing best performance and higher safety when working in dark conditions.
  • No Punching Required There are 4 pre-drilled holes on the back,bottom,left side and right side. Easy installation with removable rubber, no need to drill holes.
  • Detachable Front Panel The front of the box is removable with a screwdriver; Ample space provides a neater wiring, better heat dissipation effect and a longer service life
  • 30 Amp 4 Prong Inlet NEMA L14-30, 125/250V, 7500W, 30Amp generator inlet box with 4 prong L14-30P inlet plug, suitable for all 30 amp NEMA L14-30 generator cord.
  • 30 AMP Generator Power Inlet Box: NEMA L14-30P. Rated for 30AMP 125/250V. 30Amp generator inlet box with 4 prong L14-30P inlet plug, suitable for all 30 amp NEMA L14-30 generator cord. This 30A power inlet box is a good partner for the generator to accommodate the power cord. It is designed to be installed in outdoor areas where generators are used outdoors, and also be ideal for backup power during power outages/bad weather, etc.
  • Upgraded design: We have made improvements to the problem that most buyers complain about that it's difficult in punching the hole. There are 4 pre-drilled holes in the upgraded box, you don't need to drill the hole. You can insert the wires from any side and there is plenty of room for heavy gauge wires and it's easy to get the cables in the pre-drilled holes. Installation is easy by following the installation guide. Also, this outlet box has ample space, provides a neater wiring, better heat dissipation effect and a longer service life.
  • Superior Quality: This heavy-duty metal power box is constructed with anti-rust coating, it is durable enough for withstanding the elements such as wind, rain and rust. In addition, it adopts a flip design, with weatherproofing foam inside, which is dedicated to preventing dust and humid air, greatly improves Anti-impact ability and provides better waterproof protection for the internal wires and connections.
  • LED indicator light: There is a clear green warning light on the cover, when the power is successfully and correctly connected, the LED will light up. Compared to the old version, the 30 ampere plug at the entrance of the generator can provide the best performance and higher safety when working at night and in dark conditions. ETL Certified: We are committed to providing safer power transmission and make it comply with ETL standards. Our Generator Power Inlet Box has been tested at an ETL laboratory and found to meet all applicable Standards for Safety published by relevant NRTLs. 
  • Package includes: 30 Amp Generator Power Inlet Box, 3pcs mounting screws and installation guidance. 2 Year Warranty by Nilight.
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.  

Specifications

Electrical outlet type

30A 250V Outlet

Amps

30 Amps

Brand

Nilight

Color

Silver

Warranty

Warranty information

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Customer ratings & reviews

4.7 out of 5 stars
stars
30 ratings12 reviews
Includes global ratings and reviews
How item rating is calculated
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
Sort by |

Showing 1-3 of 12 reviews

Aug 30, 2026
Reviewer name: Jim143
Item details
Finish: 30 AMP Generator Power Inlet Box L5-30P
Sold byNilight INC.Delivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Exactly what I needed. High quality and Walmart had the best price.

Helpful?5VDHAGHKJB535686607106
May 2, 2026
Reviewer name: CuPPY
Top Reviewer
Item details
Finish: 50 AMP Generator Power inlet Box
Sold and shipped byNilight INC.
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

sent in timely fashion

Helpful?5VDHAGHKJB535686607106
Mar 10, 2025
Reviewer name: WalmartCustomer
Sold byNilight INC.
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

The box was heavy duty and will stand up to the harsh weather we have!

Incentivized Review
Helpful?5VDHAGHKJB535686607106
Current price is $36.99
Price when purchased online
  • Free shipping
  • Free Holiday returns until Jan 31

How do you want your item?

How do you want your item?
Ships to
Arrives between Nov 13 - Nov 19
|
Sold and shipped by Nilight INC.
4.7558022199798184 out of 5 stars
4.8 stars out of 5, based on 996 seller reviews(4.8)
Extended holiday returns
Free Holiday returns until Jan 31