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Sigma Engineered Solutions

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When purchasing a product, price is the consumer's primary concern. At present, Sigma Engineered Solutions has 158 products for sale. Sigma Engineered Solutions products range in price from $1.49 to $30.93, and the average price of all the products is about $11.57. It's affordable for most consumers, and you can feel free to pick your favorite products.

We found that most of the Sigma Engineered Solutions products are manufactured by Sigma Electric and Sigma Engineereed Solutions. The manufacturers provide Sigma Engineered Solutions with a steady supply of products, and they have a good cooperative relationship with each other.

You can confidently purchase Sigma Engineered Solutions products on Amazon.com. The brand holds an average rating of 4.67, testifying to its excellent reputation.

Sigma Engineered Solutions Best Sellers

Last Updated: Jan 8, 2026

SIGMA ENGINEERED SOLUTIONS 14250 Metal Electrical Outlet Box, Weatherproof, Easy Mount Plug and Receptacle Protector, Gray, (3) 1/2-Inch Holes, 1 Gang Box

WEATHERPROOF PROTECTION: Enjoy the outdoors, rain or shine, with weatherproof protection for in-use plugs and outlet boxes, significantly increasing electrical safety.
FLEXIBLE INSTALLATION OPTIONS: Easily mount this unit in a vertical or horizontal position, with (3) 1/2-in knockouts and 18.3 cu in. capacity.
INCLUDES: Pre-installed ground screw, closure plugs, mounting lugs and (2) NO. 8-32 UNC-2A X 0.25-in self tap screws.
RELIABLE DURABILITY: Die-cast construction and powder-coated design provide exceptional corrosion resistance, ensuring long-term reliability and performance in all-weather environments.
SECURE INSTALL: Provide a junction for conduits or house a single wired device. Features a ground screw for electrical safety. Requires 1" screw (not included) for mounting to surface.

Sigma Engineered Solutions ProConnex 55919M One-Hole BX Strap 3/8-Inch, 100-Pack, Gray

COMPATIBLE DESIGN: Functions with 14/2 and 12/2 AC and MC cables; additionally, the strap's inner diameter measures 0.492-in.
CABLE MANAGEMENT: Simplify your cable management and installation processes with these reliable and sturdy AC/MC straps from Sigma Engineered Solutions.
DURABLE CONSTRUCTION: Crafted from zinc-plated steel, the straps boast exceptional durability and resilience against wear and tear.
For steel 14/2-12/2 AC and MC
Suitable for dry locations

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

Provide a junction for conduits or can be used to mount lampholders and lighting systems
Features five 1/2-in knockouts and 16 cu. in. capacity
Includes mounting lugs, closure plugs and a pre-installed ground screw
Die-cast construction and powder coated for corrosion resistance
Product is UL and CSA listed, suitable for wet locations and NEMA 3R rated

SIGMA ENGINEERED SOLUTIONS 16801 Non-Metallic Weatherproof Outdoor Electrical Outlet Kit w/ Extra Duty Cover, Box and 15 Amp GFCI Receptacle, IN-USE, Clear/Gray, 1 Gang, Lockable with Patented Hinge

WEATHERPROOF PROTECTION: Provides robust protection for in-use plugs and outlet boxes, significantly increasing your electrical safety while enjoying your outdoor activities.
COMPLETE KIT: Includes Metal Junction Box with (3) 1/2" Holes, (2) Closure Plugs, Tamper Resistant and Weather Resistant (TRWR) GFCI Receptacle, Plastic In-Use Cover with Gasket and Hardware.
FLEXIBLE INSTALLATION OPTIONS: Easily mount this cover in a vertical or horizontal position to suit the required orientation and your space and style, thanks to our patented corner hinge design.
ADDED SECURITY: Includes a locking tab that can be secured at the bottom with opening for electrical cords. This design ensures your appliances stay operational while preventing accidental access.
CERTIFIED QUALITY: This product is cULus listed, NEMA 3R Rated, and meets NEC's current "Extra Duty" requirement! Provides durable, long term outdoor performance suitable for wet environments.

SIGMA ENGINEERED SOLUTIONS 14352 Metal Electrical Outlet Box, Weatherproof, Easy Mount Receptacle Protector, Gray, (3) 3/4-Inch Holes, 2 Gang Box

Features three 3/4-in knockouts and 31.0 cu. in. capacity
Provide a junction for conduits or can house up to two wired devices such as a receptacle or switch
Includes a pre-installed ground screw, closure plugs, mounting lugs and (2) NO. 8-32 UNC-2A X 0.25-in self tap screws
Die-cast construction and powder coated for corrosion resistance
Product is UL and CSA listed, suitable for wet locations and NEMA 3R rated

Sigma Engineered Solutions ProConnex 02-55035 AC/Flex Anti-Short Bushings #0, 35-Pack, No Size, 35 Count (Pack of 1)

DURABLE CONSTRUCTION: Plastic constructed. Protects wires from sharp edges of AC and FMC
COMPATIBLE DESIGN: Suitable for aluminum or steel 14/2, 14/3, and 12/2 AC, and 5/16-inch FMC
INDUSTRY STANDARD SIZING: Actual #0 trade size equivalent to 5/16-inch
MULTI-PACK: Includes 35 bushings

SIGMA ENGINEERED SOLUTIONS 14240 Weatherproof Outdoor Rectangular Cover Plate for Outlet Boxes, Gray, Metal, 1-Gang, 1-Pack

Blank weatherproof covers are used to cover boxes not in use or junction boxes
Compliments one-gang weatherproof boxes installed in wet, damp or dry locations
Stamped steel construction and powder coated for corrosion resistance
Includes gasket and (2) NO. 6-32 UNC-2A X 0.50-in Phillips oval head screws
Product is cULus listed and suitable for wet locations

SIGMA ENGINEERED SOLUTIONS 14249WH Weatherproof Outdoor GFCI Outlet Cover, White, Metal, 1-Gang, Horizontal

WEATHERPROOF PROTECTION: Safeguard your outdoor electrical outlets with weatherproof protection, ideal for wet, damp, or dry locations.
PERFECT FIT: Specifically designed to complement horizontally installed GFCI receptacles and boxes, ensuring a perfect fit and enhanced aesthetics.
MOISTURE PREVENTION: Equipped with a self-closing lid to prevent moisture penetration when the receptacle is closed, ensuring electrical safety and reliability.
DURABLE CONSTRUCTION: Built to last with die-cast construction and powder coating for corrosion resistance, ensuring longevity even in harsh outdoor environments.
CERTIFIED SAFETY: UL and CSA listed, and suitable for wet locations when the covers are closed, providing peace of mind for outdoor installations.

SIGMA ENGINEERED SOLUTIONS 14250WH Metal Electrical Outlet Box, Weatherproof, Easy Mount Plug and Receptacle Protector, White, (3) 1/2-Inch Holes, 1 Gang Box

Provide a junction for conduits or can house a single wired device such as a receptacle or switch
Includes mounting lugs, closure plugs and a pre-installed ground screw
Die-cast construction and powder coated for corrosion resistance
White Powder Coat Finish for Corrosion Resistance

SIGMA ENGINEERED SOLUTIONS ProConnex C-500 Clamp Type Connector NM/SE 3/8" 100-Pack

DURABLE CONSTRUCTION: Made from zinc die-cast for long-lasting performance
EASY INSTALLATION: Tri-combo screws included for convenient installation
VERSATILE COMPATIBILITY: Suitable for: One 14/2-10/3 NM cable; Two 14/2, 12/2, 12/3, 10/2 NM cable; Three 14/2 NM cable; 0.29-inch-0.45-inch flexible cord; Terminates NM cable or flexible cord to a 1/2-inch knockout, fitting various cable and cord sizes; 2 and 3 cable compatible
MULTI-PACK: Includes 100 clamp type connectors for multiple installations
CERTIFIED SAFETY: UL and CSA listed, ensuring compliance with stringent safety standards for peace of mind

Sigma Engineered Solutions 14147 1-Gang Universal Weatherproof Cover, Gray

Provides weatherproof protection for horizontal and vertical installations using patented corner hinge
Configurable for GFCI, Duplex and 1-3/8-in round devices for 6-in-1 flexibility
Cover is lockable for security
Die-cast construction and powder coated for corrosion resistance
Includes gasket, adapter plates for various configurations, and 4 Phillips oval head screws

Sigma Engineered Solutions 14224 1-Gang Vertical Round 15/20 Amp Receptacle Weatherproof Cover, Gray

Provides weatherproof protection for an outdoor 15/20 Amp receptacle
For one 1.406-inch diameter outlet mounted vertically in a one-gang weatherproof box
Features a self-closing lid to prevent moisture penetration when receptacle is not in use
Die-cast construction and powder coated for corrosion resistance
Includes gasket and (2) NO. 6-32 UNC-2A X 0.50-in Phillips oval head screws

Sigma Engineered Solutions ProConnex C-550 AC/MC Connector 3/8" Gray, 100-Pack

Terminates AC or MC to a 1/2-in knockout
For Steel 14/2-10/2 AC or 14/2-10/3 MC(MCI and PCS)
Tri-combo screw included
Zinc die-cast construction
Product is cULus listed

Sigma Engineered Solutions Weatherproof 16795WH Round Floodlight Kit, White

Floodlight kit for security or aesthetic applications
Features an adjustable lampholder to illuminate desired area
Die-cast construction and powder coated for corrosion resistance
Requires two 150 watt (max) PAR38 bulbs (not included)
Includes 2 lamp holders, a 3-hole round cover, screws, a closure plug, installation hardware, and a gasket

SIGMA ENGINEERED SOLUTIONS ProConnex 1/2" Flex Squeeze Connector Conduit Fitting, 25-pack

Terminates AC, MC, or FMC/RWFMC to a 1/2-in knockout
For aluminum or steel 6/3 AC and MC (MCI), and 1/2-in FMC/RWFMC
Zinc die-cast construction
Features tri-combo screw
Product is UL and CSA listed

SIGMA ENGINEERED SOLUTIONS ProConnex 41309 Ground Clamp 1/2" - 1"

DURABLE CONSTRUCTION: Made from copper alloy with zinc-plated steel screws for long-lasting performance.
SECURE CONNECTIONS: Ensures reliable grounding for electrical systems.
VERSATILE COMPATIBILITY: Fits pipe or copper rod sizes 1/2-inch to 1-inch, wire range #10 - #2, and rebar range 5/8-inch to 3/4-inch.
CERTIFIED SAFETY: UL and CSA listed, ensuring compliance with stringent safety standards for peace of mind.

Sigma Electric, Gray Count (Pack of 1) Sigma Engineered Solutions, 14251 1/2-Inch 4 Hole 1-Gang Box

Features four 1/2-in knockouts and 18.3 cu. in. capacity
Provide a junction for conduits or can house a single wired device such as a receptacle or switch mounted in vertical or horizontal orientations
Includes a pre-installed ground screw, closure plugs, mounting lugs and (2) NO. 8-32 UNC-2A X 0.25-in self tap screws
Die-cast construction and powder coated for corrosion resistance
Product is UL and CSA listed, suitable for wet locations and NEMA 3R rated

SIGMA ENGINEERED SOLUTIONS 14321 Weatherproof Outdoor 20/50 Amp Outlet Cover, Gray, Metal, 2-Gang

WEATHERPROOF PROTECTION: Safeguard outdoor 20/50 Amp receptacles against the elements for enhanced durability and performance.
PERFECT FIT: Designed for a 2.125-inch diameter outlet mounted in a 2-gang weatherproof box, ensuring a perfect fit and easy installation.
MOISTURE PREVENTION: Equipped with a self-closing lid to prevent moisture penetration when the receptacle is closed, ensuring electrical safety and reliability.
DURABLE CONSTRUCTION: Built to last with die-cast construction and powder coating for corrosion resistance, ensuring longevity in outdoor environments.
CERTIFIED SAFETY: UL and CSA listed, and suitable for wet locations when the cover is closed, providing trusted safety assurance for outdoor installations.

SIGMA ENGINEERED SOLUTIONS 16446WH Universal Metal Weatherproof Outdoor Electrical Outlet Kit with Universal Cover, Box and 15 Amp Duplex Receptacle, White, 1 Gang, Lockable with Corner Hinge

WEATHERPROOF PROTECTION: Provides robust protection for included receptacle and outlet box, significantly increasing your electrical safety while enjoying your outdoor activities.
COMPLETE KIT: Includes Metal Junction Box with (3) 1/2" Holes, (2) Closure Plugs, Tamper Resistant and Weather Resistant (TRWR) Duplex Receptacle, Metal Universal Cover with Gasket and Hardware.
FLEXIBLE INSTALLATION OPTIONS: Easily mount this cover in a vertical or horizontal position to suit the required orientation and your space and style, thanks to corner hinge design.
RELIABLE DURABILITY: Designed with die-cast construction and powder coated for exceptional corrosion resistance, ensuring long-term reliability and performance in various environments.
ADDED SECURITY: Includes a locking tab that can be secured at the bottom with opening for electrical cords. This design ensures your appliances stay operational while preventing accidental access.

Sigma Engineered Solutions 14236 1/2-Inch 4 Hole Round Weatherproof Extension Ring, Gray

Features four 1/2-in knockouts and 16.5 cu. in. capacity
Extension ring increases the capacity of a 4-in round weatherproof box
Includes closure plugs and gasket
Reinforced connector outlets provide secure installation
Die-cast metal construction and powder coated for corrosion resistance

Sigma Engineered Solutions FAQs

Yes, Sigma Engineered Solutions is a legitmate brand on Amazon. After conducting a comprehensive analysis of 384 customer reviews for Sigma Engineered Solutions products on Amazon, we have determined its average rating. With a strong performance and good quality, Sigma Engineered Solutions has received an average rating of 4.67 from numerous buyers, indicating that Sigma Engineered Solutions are trustworthy and live up to their claims. Therefore, it is safe to make purchases from Sigma Engineered Solutions on Amazon.

Amazon has strict policies and safety measures in place that ensure only legitimate sellers and products are allowed on their platform. It also provides a secure payment gateway and offers buyer protection, ensuring your transaction is safe. In the unlikely event that there's an issue with your purchase, Amazon's customer service and return policies are designed to protect your interests.

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We analyze millions of Sigma Engineered Solutions products reviews and customer reviews to recommend the best picks for most consumers. We have a professional team with decades of experience to test the products, which can help ensure that we provide our readers with accurate advice and best recommendations.

There are usually 5 to 10 products in a brand buying guide. We found 158 Sigma Engineered Solutions products for sale, 20 of which were analyzed in detail and recommended to customers.

  1. Go to the Sigma Engineered Solutions page.
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Most of the Sigma Engineered Solutions products are produced by Sigma Electric and Sigma Engineereed Solutions. The manufacturers provide Sigma Engineered Solutions with a steady supply of products, and they have a good cooperative relationship with each other.

Our mission is to provide you with the most up-to-date and objective information about the Sigma Engineered Solutions products, helping you make more informed buying decisions. We recommend best choices of the products from the Sigma Engineered Solutions brand, helping you make better shopping choices with less time and energy.