Name: Sigma Engineered Solutions 1 -Gang Metal Weatherproof New work Rectangular Electrical Box
Brand: Sigma Engineered Solutions
SKU: 3152575
Price: 8.98 USD
Availability: InStock
Rating: 4.7 (386 reviews)

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Sigma's weatherproof one-gang boxes provide a junction for conduits and can house a single wired device such as a receptacle or switch. They can also be used to mount lampholders and lighting systems in outdoor applications. The rugged, die-cast construction prevents moisture penetration making the boxes suitable for wet, damp or dry locations. These UL and CSA listed boxes are powder coated for maximum corrosion resistance and feature reinforced connector outlets for secure installation. Mounting lugs, closure plugs, and a pre-installed ground screw are included.

Features three 3/4-in knockouts and 18.3 cubic inch capacity
Provide a junction for conduits or can house a single wired device such as a receptacle or switch
Includes a pre-installed ground screw, closure plugs, mounting lugs and (2) #8-32 UNC-2A X 0.25-in self tap screws
Reinforced connector outlets provide secure installation
Die-cast construction and powder coated for corrosion resistance
Can be mounted in vertical or horizontal orientations
Product is UL and CSA Listed and suitable for wet locations
Meets NEMA 3R Requirements

General
Color/Finish Family	Gray	Package Quantity	1
Series Name	1-Gang Weatherproof Box	Use Location	Exterior
Sub Type	Standard	Mounting Type	Surface-mount
Sub-Brand	N/A	Number of Gangs	1
Type	Rectangular	Old or New Work	New work
Material	Metal	Number of Knockouts/Holes	3

Dimensions
Assembled Depth (Inches)	2	Maximum Weight Supported (lbs.)	0
Assembled Height (Inches)	4.5	Weight (lbs.)	0.55
Assembled Width (Inches)	2.8	Construction Type	Molded
Knockout Size	3/4-in

Features
Cover Included	No	Weatherproof	Yes
Low Voltage	No

Certifications
CA Residents: Prop 65 Warning(s)	Prop 65 WARNING(S) -	Safety Listing	UL safety listing

Warranty
Warranty	None

Miscellaneous
UNSPSC	39121300

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Review

4.7 out of 5

386 Reviews

95% Recommend this product

Ratings may include incentivized customer reviews.

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What Customers Are Saying

The electrical box is a durable, weatherproof product well-suited for outdoor use. Customers praised its sturdy metal construction, easy installation, and ability to withstand harsh weather. The box was described as well-built and heavy-duty, providing effective protection against moisture and the elements. Many found the box's size and versatile mounting options to be advantageous. However, some noted the box was a bit shallow, making it challenging to fit all necessary wiring and components, especially with thicker cables or GFCI outlets. A few also mentioned the paint or finish could wear off over time. Overall, the majority of customers were very satisfied with this reliable, high-quality electrical box.

Customer review summary generated by AI, including incentivized reviews.

386 Customer Reviews

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Great outdoor outlet box. Waterproof!!

Would Recommend

Installation was a breeze, worked great for my outdoor outlet install for a pool water heater.

TrekJuly 10, 2026
Verified Purchaser

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/bc01f253-5956-58ac-a55f-011a36337671

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Sigma Engineered Solutions 1 -Gang Metal Weatherproof New work Rectangular Electrical Box

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