How many threaded plugs does it come with?

It has 5 holes, and 4 plugs. Basically they assume you will use at least one.

How can it be 4.2 inches by 5.5 inches? That's not a circle. So, is it safe to assume that the 5.5 inch measurement includes the mounting tabs?

Yes ,that point would be the widest footprint when mounting this box 5.5" . That means that the space that this box would fit between two fixed objects is 5.5"

Mine shows that it is Made in India

What is the depth of this box?

The inside depth is 2 1/2 inches

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SIGMA ENGINEERED SOLUTIONS 143854 Round Metal Electrical Outlet Box, Weatherproof, Easy Mount, White, (5) 1/2-Inch Holes

Product ID: 38538422

Details

Brand
Sigma
Color
White
Material
Metal
Product Dimensions
2.26"D x 5.5"W
Style
Compact

⚙️5 versatile 1/2-inch knockouts

🌧️NEMA 3R rated for wet locations

🛡️Powder-coated corrosion resistance

€ 10.65

Duties & taxes included

In stock

Sold byAmazon IrelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Power your projects with weatherproof precision and pro-grade reliability!

SLEEK SUBTLE DESIGN - Clean white finish blends seamlessly with modern interiors and outdoor aesthetics.
FLEXIBLE WIRING MASTERY - Five 1/2-inch knockouts offer unmatched adaptability for complex electrical setups.
CERTIFIED SAFETY ASSURANCE - UL and CSA listed, NEMA 3R rated for reliable use in wet, damp, or dry environments.
BUILT TO BRAVE THE ELEMENTS - Durable die-cast metal with powder coating ensures long-lasting corrosion resistance.
EFFORTLESS PROFESSIONAL INSTALLATION - Pre-installed ground screw and included closure plugs streamline your setup.

The SIGMA ENGINEERED SOLUTIONS 143854 Round Metal Electrical Outlet Box features five 1/2-inch knockouts and a 16 cu. in. capacity, designed for versatile conduit junctions and lampholder mounting. Its rugged die-cast metal construction with powder coating offers superior corrosion resistance, making it ideal for wet, damp, or dry locations. UL and CSA listed with a NEMA 3R rating, it includes a pre-installed ground screw and closure plugs for secure, hassle-free installation. Perfect for professionals and DIYers seeking durable, weatherproof electrical solutions.

Specifications

ASIN	B00C3YD6HU
Best Sellers Rank	#10,723 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #34 in Electrical Boxes
Brand Name	Sigma Engineered Solutions
Capacity	16 cubic inches
Color	White
Customer Reviews	4.7 4.7 out of 5 stars (1,847)
Finish Type	Powder Coated
Global Trade Identification Number	00031857643850
Included Components	Sigma Engineered Solutions
Installation Type	Screw-In
Item Dimensions D x W x H	2.26"D x 5.5"W x 4.2"H
Item Type Name	Sigma Engineered Solutions, White Sigma Electric 143854WH 1/2-Inch 5 Hole Round Box
Item Weight	8 ounces
Manufacturer	Sigma Engineered Solutions
Material	Metal
Model Number	b5b4dfb4-09e3-40da-b716-f01bcab2f649
Number of Items	1
Number of Packs	1
Part Number	143854WH
Specification Met	Csa, Nema 3r, Ul
Style	Compact
UPC	031857643850
Unit Count	1 Count
Warranty Description	Warranty

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