Top 10 Best exterior electrical box in 2026

Last Updated - 6/12/2026

🏆Best Choice

Intermatic

Intermatic WP3100C Weatherproof Electrical Outlet Cover - Extreme Temperature Resistance, Heavy-Duty Construction, Versatile Design & Multi-Configurable, Easy Install, Secure Fit for Outdoor in-Use

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•WEATHERPROOF - Meets UL Type 3R outdoor enclosure standards and complies with 2020 NEC Article 314.15 for damp and wet locations, making it a reliable option for outdoor use.
•EASY INSTALLATION - Includes a 1/8" (3 mm) thick, pre-adhered neoprene gasket with slits for mounting screws to simplify the installation process.
•HEAVY-DUTY CONSTRUCTION - Durable UV stabilized polycarbonate cover, mounting base, and inserts to provide long-lasting protection.
•VERSATILE - Features three inserts, including GFCI, standard duplex, Round and toggle,making it a great fit for various installations, and can be mounted both vertically and horizontally.
•SECURE FIT - Features a patented insert design and single gang NEMA 3R receptacle cover to ensure a secure fit for your outdoor electrical outlet. Max cord size: (2) #14 AWG or (1) #12 AWG. Each measures: 5.75” x 4” x 2.75”

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$7.75

$8.29

-7%

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Hrensaw

Hrensaw Medium Outdoor Electrical Box(10.6x5.5x4.5inch),Weatherproof Connection Box w/6 Cable Entry,IP54 Waterproof Extension Cord Cover Protect Power Strip,Timer,Plug,Holiday Lights,Black

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•SIZE：Fits row plugs length<10". External size: 10.6” x 5.5” x 4.5”. Inner size: 9.8” x 4.7” x 3.4”, 6 cable ports, 4 snaps, 6 cable clamps, 6 rubber gaskets, Perfect for sealing 10/12/14/16 gauge cable(maximum compatibility Φ15mm cable) braided cable and flat cable.(Hand-measured, slight error)
•LUMINOUS SAFETY WARNING LABEL: the lid of the outdoor electrical box has a luminous warning label that glows at night to prevent accidentally touching it, ensuring the safety of your family and pets.
•IP54 WATERPROOF: Made of heavy-duty reinforced PP material, it is rigorously tested to IP54 waterproof, high temperature and -40℃ freezing, can withstand up to 300 lbs. and is resistant to rain, water, snow, dust, dirt.Suitable for protecting outdoor power outlets, row plugs, timers, extension cords, adapters etc.
•WIDE APPLICATIONS：Ideal for a variety of outdoor & indoor applications including patio, lawn and garden power tools,holiday lighting, landscape decorations, pool pumps, fountains, fish ponds, patio heaters, hot tub, air conditioners, security cameras and more.
•2 WAYS TO USE: 1. Can be placed horizontally on a flat surface; 2. Independent keyhole design on the back for hanging. EASY TO USE: Simply put the connecting cable into the waterproof box, secure the cable with the clip, wrap the cable tightly with rubber and close the lid.
•WATERPROOF TIPS：Place the electrical box parallel to the ground, do not place it vertically or obliquely; Do not submerge the box in water or bury it in the ground; Each package only includes 1*outdoor electrical box. The power strip, surge protector, outdoor timer, extension cord and all other device are not included.

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$19.99

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TayMac

TayMac MM410C Single Horizontal/Vertical Mount 1-Gang Weatherproof In-Use Electrical Outlet Cover for Home Improvement, 2.75 in, Clear

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•WEATHERPROOF COVER: Get maximum toughness and protection. Our 1-Gang Weatherproof In-Use Electrical Outlet Cover for home improvement is NEMA rated and cULus listed for wet and damp locations.
•EASY TO INSTALL: Set up your outdoor outlet cover in no time at all. Our Quick-Fit keyhole mounting system allows installation in under a minute with a EZ Change Pin for horizontal or vertical mount.
•16 CUSTOM CONFIGURATIONS: Our weatherproof outlet cover uses UFAST for 16-in-1 configuration. You can mount and protect duplex, switch, or GFCI.
•QUALITY CONSTRUCTION: Our socket cover for outlets is built from high-impact polycarbonate for maximum durability. You have more room for electrical cords and it includes gasket and mounting hardware.
•SAFE AND SECURE: Our weatherproof cover is tested and certified to cULus and NEMA standards. The lockable tab can be secured with a full-size padlock for protection against tampering.

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$12.47

$16.60

-25%

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Sigma Engineered Solutions

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

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•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.

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$5.28

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Sigma Engineered Solutions

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

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•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

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$6.78

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BELL

BELL PSB37550GY Single-Gang Weatherproof Three 1/2 in. or 3/4 in. Threaded Outlets, 2 in, Gray

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Durable high impact PVC construction
•Can be used with 1/2 in. or 3/4 in. conduit
•Includes 3/4 in. closure plugs and reducer bushings
•Mounting hardware included
•Multi-lingual instructions in each package

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$8.38

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YETLEBOX

YETLEBOX Outdoor Waterproof Electrical Box Junction Box Weatherproof IP67 ABS Plastic Enclosure Switch Router Project Box Electronics DIY Enclosure With Mounting Plate Wall Bracket Grey 8.6"x6.6"x4.3"

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•[EASY TO MOUNT] The outdoor waterproof electrical box includes mounting plate that allow you to mount your board or device in the project box easily. Also come with 4 stainless steel wall brackets can be used to hang the junction box on walls. Two 1/2" NPT cable gland are included in case you need to connect wires outside.
•IP67 GRADE - IP67 waterproof grade, which means dust-tight and protected from moisture challenges up to jetting water, keep all your electrical equipment Safe & Dry. It is widely used for both indoor and outdoor applications or projects.
•EASY FOR DIY - Simple hinged cover, easy open and close, Stainless steel latches make it more durable and provide better waterproof performance. This junction box can be drilled and shaped easily without cracking, so it’s also suitable for your various DIY projects.safety lockable design to prevent un-authorized openings
•DURABLE for YEARS - Made of high quality ABS plastic which has longer serve time and superior in impact resistance. Durable junction box can offer well protection for your projects in outdoor.
•SIZE - Outer Size of electrical enclosure: 220x170x110mm

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$14.99

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Sealproof

Sealproof 1-Gang Weatherproof Exterior in Use Outlet Cover and Box Kit - Metallic Electrical Outlet Box and UL Extra Duty, Lockable, in Use Outdoor Outlet Cover - Horizontal/Vertical Use

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Kit includes gasket and mounting hardware, closure plugs and self threading ground screws.
•Bubble Cover has a Patented Multi-Configuration Design: Gang can be used horizontally or vertically, with up to 18 configurations, wheter GFCI, Duplex, Switch, or Round.
•Outlet Cover is made of durable polycarbonate construction, lockable and easy to install, and fits full size padlock. Outlet Box is constructed of heavy duty die-cast aluminum with a weatherproof powdercoat finish to protect it from the elements. Keeps rain and dirt from disrupting any electrical circuit.
•Outlet Box has Three (3) 1/2 Inch Outlet Holes. Heavy duty die-cast aluminum construction with a weatherproof powdercoat finish to protect it from the elements. Keeps rain and dirt from disrupting any electrical circuit.UL Listed. While-in-use bubble cover is UL Extra Duty Compliant (for Wet Locations, National Electrical Code 406.9 (B)(1)). NEC Compliant, UL File No. E362580
•Outlet box is 2-Inch Deep. Outlet Cover is 3-1/4" deep.Outlet Box has Three (3) 1/2 Inch Outlet Holes. Heavy duty die-cast aluminum construction with a weatherproof powdercoat finish to protect it from the elements. Keeps rain and dirt from disrupting any electrical circuit.

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$15.99

$17.99

-11%

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TayMac

TayMac MM420C 1-Gang Nonmetallic Extra Duty Weatherproof In-Use Horizontal/Vertical 16-in-1 Standard Cover, 2.75 in, Clear

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•EXTRA DUTY RATED: Get maximum toughness and protection. Our 1-Gang Weatherproof In-Use Electrical Outlet Cover for home improvement is EXTRA DUTY rated and cULus listed for wet and damp locations.
•EASY TO INSTALL: Set up your outdoor outlet cover in no time at all. Our Quick-Fit keyhole mounting system allows installation in under a minute with an EZ Change Pin for horizontal or vertical mount.
•CUSTOM CONFIGURATIONS: Our weatherproof outlet cover uses UFAST 16-in-1 custom device configuration. You can mount and protect duplex, switch, or GFCI.
•QUALITY CONSTRUCTION: Our socket cover for outlets is built from high-impact polycarbonate for maximum durability. You have more room for electrical cords and includes gasket and mounting hardware.
•SAFE AND SECURE: Our weatherproof cover is tested and certified to cULus and NEMA standards. Lockable tab secures with a full-size padlock for protection against tampering.

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$15.25

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SURAIELEC

SURAIELEC Outdoor Outlet Box, 20 AMP Waterproof Electrical Box, 20 AMP WRTR GFCI Receptacles, Rainproof 3R Enclosure, All Metal Outlet Cover, Power Plug for Backyard, Outdoor Lighting

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Reliable GFCI Protection: Equipped with a 120Vac, 20 AMP GFCI receptacle; interrupts power during a ground fault to enhance safety; ideal for various outdoor applications; perfect for those needing a Suraielec outdoor electrical outlet box
•Weatherproof & Rust-resistant: 3R-rated all-metal enclosure crafted from high-grade galvanized steel; designed to withstand rain, dust, and rust; ensures durability in challenging outdoor environments; suitable as an outdoor electrical outlet box waterproof solution
•Easy Installation: Features easy-to-remove knockouts on the side, bottom, and back; offers ample wiring space; the cover plate can stay in the upper position for convenient wiring
•Comprehensive Outdoor Power Solution: Includes a rugged steel box, 20 AMP GFCI receptacle, gasket, and metal cover; provides an economical and robust power solution; perfect for outdoor electrical box waterproof applications and ensuring safety and convenience
•Secure and Lockable: Enhances security with a lockable design; ideal for home, campsites, or public charging stations; listed to ETL standards for safety and reliability; a trusted choice for a SURAIELEC outdoor outlet box

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$29.99

$32.99

-9%

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