SIGMA ENGINEERED SOLUTIONS 143854 Round Metal Electrical Outlet Box, Weatherproof, Easy Mount, White, (5) 1/2-Inch Holes
Condition: New
$7.98
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Availability:
In Stock.
Arrives
Friday, Nov 13
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At a glance
- Condition
- New
- Size
- 1 Count (Pack of 1)
- Model
- b5b4dfb4-09e3-40da-b716-f01bcab2f649
- Capacity
- 16 cubic in
- Dimensions
- 2.26"D x 5.5"W x 4.2"H
- Weight
- 8 oz
- Color
- White
- In the box
- Sigma Engineered Solutions
- Warranty
- Warranty
Features 5
- Features five 1/2-in knockouts and 16 cu. in. capacity
- Fits standard 4-in round weatherproof box covers (with 4.1885-in diameter)
- Provide a junction for conduits or can be used to mount lampholders and lighting systems
- Die-cast construction and powder coated for corrosion resistance and includes a pre-installed ground screw and closure plugs
- Product is UL and CSA listed, suitable for wet locations and NEMA 3R rated
Description
Sigma Engineered Solutions weatherproof round box provides a junction for conduits and can be used to mount lampholders and lighting systems. The rugged, die-cast construction prevents moisture penetration making the box suitable for wet, damp or dry locations. The box is powder coated for corrosion resistance and features a ground screw for secure installation. Boxes include hardware, closure plugs and pre-installed ground screw. Product is UL and CSA listed.
Specs 21
| Material | Metal |
|---|---|
| Brand | Sigma Engineered Solutions |
| Color | White |
| Style | Compact |
| Product Dimensions | 2.26"D x 5.5"W x 4.2"H |
| Brand Name | Sigma Engineered Solutions |
| Model Number | b5b4dfb4-09e3-40da-b716-f01bcab2f649 |
| Number of Packs | 1 |
| Manufacturer | Sigma Engineered Solutions |
| Number of Items | 1 |
| Unit Count | 1 Count |
| UPC | 031857643850 |
| Global Trade Identification Number | 50 |
| Item Type Name | Sigma Engineered Solutions, White Sigma Electric 143854WH 1/2-Inch 5 Hole Round Box |
| Part Number | 143854WH |
| Finish Type | Powder Coated |
| Installation Type | Screw-In |
| Specification Met | Csa, Nema 3r, Ul |
| Item Dimensions D x W x H | 2.26"D x 5.5"W x 4.2"H |
| Item Weight | 8 ounces |
| Capacity | 16 cubic inches |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Friday, Nov 13
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Sturdy and Reliable for DIY Projects
Size: 1 Count (Pack of 1)
I've been using this for my recent electrical DIY project, and it's been a solid choice. The material feels robust and dependable, which is exactly what I need when tackling home improvements. One thing I really like is how easy it is to work with. The five-hole design provides ample flexibility for different wiring configurations, making my task much simpler. It also has a clean, white finish that blends well with my home's interior, a small detail but one that adds a professional touch to the work. The only minor downside is that the paint can chip if you're not careful during installation. However, this is easily avoidable with a bit of caution. As someone who enjoys taking on DIY projects, I find this round box to be an excellent addition to my toolkit. It holds up well under various conditions and simplifies the wiring process significantly.
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Reviewed in the United States on July 16, 2024 by dragonlord
Solid build, Easy install, lots of options.
Size: 1 Count (Pack of 1)
Didn't realize the flood lights I ordered weren't going to mount on a deck without a box, so I quickly settled on these. Pros: * Looks great, feels very sturdy. * No sharp edges, & White is way better looking than bare metal. * Great size, with plenty of room inside to store wires & wire-nuts. * Fit my fixture, & fits at least 2 fixture sizes, as there are 2 sets of screw sockets to choose from. * Easy to mount to outside wall, or deck. No need to cut a hole to recess it into. Yay! * Plenty of choices on how to feed the wire in, & out, if need be. 4 threaded side holes, & 1 Back hole, with 4 little screw in plugs to keep critters & the weather out, when not in use. Cons: * None for me, but if you need it to go into a recessed hole, this is probably not the one to choose. The mounting tabs will surely get in your way. You may think there's not much difference between one electrical box and another, but there really is. This one is very nice compared to all others I've used. (a Lot). That coating is way nicer to your hands, too. No sharp edges on mine. Thanks designers. : )
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Reviewed in the United States on October 24, 2023 by KM
Good box
Size: 1 Count (Pack of 1)
Good quality good box
Reviewed in the United States on September 30, 2026 by Raquel
Well-made metal round boxes — clean finish and solid fit
Size: 1 Count (Pack of 2)
These Sigma Electric 1/2-inch 5-hole round boxes are solid, well-constructed metal boxes that work exactly as intended. The white finish is clean and even, with no sharp edges or defects, and the knockouts are placed well for flexible wiring configurations. The boxes feel sturdy and durable, suitable for typical residential or light commercial electrical applications. Threads and knockouts are clean, making installation straightforward, and the pack of two is convenient for small projects without overbuying. I’m giving four stars instead of five only because these are straightforward electrical boxes — nothing flashy, just reliable hardware that does the job. If you need dependable round boxes with multiple knockout options, these are a good choice.
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Reviewed in the United States on December 22, 2025 by Amazon Reviewer
Fair market value.
Size: 1 Count (Pack of 2)
They worked very well for I bought them for. I used them for mounting outdoor motion lights.
Reviewed in the United States on August 17, 2026 by Douglas Rupp
Comfort !
Size: 1 Count (Pack of 1)
Excellent ! Large size means that you are not moving it constantly . Cover is velvety soft .You can also pick temperature and time on/off ! As an ex fighter,you feel your past every day !!
Reviewed in the United States on September 26, 2026 by Dwayne Wessel
Great value for money better then hardware store options
Size: 1 Count (Pack of 1)
Heavy metal great quality gave everything needed for installation. My light fixture fit perfectly and I like the white matches. Would recommend to anyway way better then hardware store options. I used it on wood stud but I’m sure it’s versatile.
Reviewed in the United States on December 18, 2025 by Mike c
works as advertised
Size: 1 Count (Pack of 1)
its electrical box. worked as needed in my situation. seems to hold up fine.
Reviewed in the United States on September 28, 2026 by B. Schultz