Best Square Electrical Outlet Boxes in 2026

Drawn construction of pre-galvanized steel

4 in. square, 2-1/8 in. deep

Supplied with eleven 1/2 in. and six 3/4 in. knockouts

Durable High-Impact PVC construction

Mounting hardware and installation instructions included

Seven 1/2in. or 3/4in. outlets

Heavy duty 42 lb. mounting screws supplied

Mounts to wood or metal stud 25g

Extra thick PVC wall material creates stability and rigidity

Replacement Cover, 1-Gang, Vertical, Clear, For Use with Weatherproof-In-Use Box

DBVC-1 Vertical Recessed Electrical Box Replacement Cover for Inbox Electrical Boxes, 1-Gang, Clear, 1-Pack

Additional Features: UV Rated Plastic for Long Outdoor Life

Weatherproof outlet box designed to house a two-gang switch or receptacle configuration in moisture-prone and outdoor locations; includes three 0.50” diameter threaded holes

Die-cast metal construction effectively seals out moisture, dust, debris, and insects to protect outdoor receptacles

Perfect for outdoor and moisture-prone applications, such as warehouses, pool houses, greenhouses, garages, restaurants, patios, and more!

Made in the U. S. A

UL Listed, Weatherproof

Diecast zamak alloy, Durable powdercoat finish, Corrosion resistant

Welded 4 in. square box for installing receptacles, switches or fixtures in walls or ceilings

Combination screw heads allow quick installation

UL Listed and acceptable in 2-hour fire rated walls

FOR REMODELS AND RENOVATION: Our Newhouse Hardware 1-Gang PVC Old Work Electrical Outlet Box is a plastic junction box that's designed to work with non-metallic sheathed cable for your electrical equipment.

VERSATILE ELECTRICAL BOX: Our single-gang electrical box fits a variety of remodeling needs. You can use it as an electrical junction box, switch box, GFCI box, or duplex receptacle outlet box.

IDEAL FOR HOME IMPROVEMENT: Get a durable old work box that's usable for a broad range of refits in your home. It's designed for most residential home improvement and light commercial electric needs.

Positioned to accommodate 1-2 switch boxes

Combination screw heads allow quick installation

Drawn construction

Provide a junction for conduits or can house a single wired device such as a receptacle or switch

Features three 1/2-in knockouts and 18. 3 cu. in. capacity

Includes mounting lugs, closure plugs and a pre-installed ground screw

Carlon non-metallic boxes feature PVC construction for easier installation

Designed and listed for use with non-metallic sheathed cable in accordance with Article 314 of the National Electrical Code

All PVC boxes are permissible for use with 90 Degree C connectors

Used for extending set back electrical boxes up to 1-1/2-inches, levels and supports wiring device

Automatically levels and supports outlets, switches, GFCIs, and other standard devices

Works with handy boxes and 4-inch square electrical boxes with plaster rings for single switches

Reinforced connector outlets.

State-of-the-art powder coat finish provides maximum weatherability and scratch resistance.

Rugged die cast aluminum construction

【ETL Listed】: NEMA 14-50R receptacle 125V/250V, power up your RV and trailer at camping ground. It can be installed outdoors, and work with your motorhome, welder, etc.

【Enough Space】: There is enough space to close the lid while plugging in the cord even with a big handle. You can also adjust the box lid open position while installing the panel and connecting the power cord.

【Weatherproof】: Constructed of heavy-duty metal with powder coating, it is durable enough for withstanding the elements. Rubber gasket under “knockout panel” secures weather resistance for the internal wires and connections.

Product Name: Junction Box ; Waterproof Rating: IP55 ; Qualification: CE、ROHS

Project Box Cable Entries Number: 7; Mounted Type: Surface Mount;Electric Enclosure Material: ABS, Rubber; Main Color: White

Product Dimensions: Outer Size : 3.4" x 3.4" x 2"/85 x 85 x 50mm(L x W x H) ; Inner Size: 3.11" x 3.11" x 1.89"/79 x 79 x 48mm(L x W x H) - - (Allowable Error: ±2mm)

Hubbell Square Box 4 In. Eight 1/2 In. And Four 3/4 In. Knockouts 1-1/2 In. Deep

Boxes are installed in ceilings or walls for lighting fixtures

This is manufactured in United States

A pop up outlet box is hidden in your countertop or floor when closed, all you see is a stylish black top. When you push the button the top tilts open revealing the outlets.

It can be installed in floor, countertop, deck, table, desk tops in kitchen, living room, office, public area, etc.

The product features two 20A tamper resistant receptacles and two 4.8V USB charging ports.

Dimensions: Overall: 5" x 5" x 3. 66" - Cover Length: 5" Cover Width: 5" Cover Height: . 22" | Junction Box Length: 3" Junction Box Width: 3" Junction Box Height: 3. 50"

Specifications: Nikel Plated Brass Square Cover. 2-Gang. 20A Tamper-Resistant TR / Weather-Resistant WR duplex receptacle outlet. Networking Cable Ready Datacom Ports. 14 total side and bottom knockouts

Applications: This can be installed in floors with raised foundations and subfloors, not in concrete slabs. Made to mount flush with floor or counter.

Round box adapter only

Adapts single gang cover to round receptacle box

Designed for use in conjunction with other weatherproof products

EASY INSTALLATION - Our Lew Electric PUFP-SQ model is UL compliant for floor receptacle installations. Installs in concrete or wood floors and countertops. The back outlet box only takes up 3 1/8″ of space under your floor. The hole that needs to be cut in your floor is 4 1/16″ x 4 1/16″, the top bezel is 4 3/4″ x 4 3/4″.

FLOOR OUTLET - A quick charge is always available with this handy Lew Electric floor pop-up outlet! Designed to perfectly hide on your floor, this tamper-proof outlet box provides easy access to power when a wall outlet isn't nearby. When you need to plug something in, simply pull the button and the outlet pops up with ease.

SAFE & TAMPER RESISTANT - Dangling cords and open outlets can be dangerous for an electrical box, especially for pets and children. In the closed position only the top, rust-proof color shows on the recessed electrical outlet. This eliminates the danger of free-hanging cords.

[ Reserved Hole Design ] We offer a superior waterproof performance of this outdoor electrical box. Drill holes open on your demand and make whole box keep a better sealing.

[ Sturdy Construction ] Made of high-quality ABS material which offers outstanding impact resistant and electrical insulation, can keep your equipment well-protected in harsh environments.

[ Safe and Certificated ] IP55 waterproof rated electrical junction box is CE and RoHS compliant . It is free of hazardous substances. The junction box is easy to install and can be drilled to modify.

Drawn construction

Used when you need to add extra wire capacity

Mounts directly on top of the square box

COMBINATION PACK – This listing includes one 4" square electrical box and one 4” square duplex receptacle exposed work cover.

BOX – This 4" electrical box is designed to use to enclose electrical wire connections, receptacles, or switches. Constructed using the drawn method, this box is also ideal for exposed work applications.

COVER – This 4" square exposed work duplex receptacle cover includes the required hardware for mounting the receptacle. With its crushed corners, no bonding jumpers are required for this cover.

SAVES TIME AND MONEY: Why pull out the electrical outlet box? ReceptXtenders allows you to shim out those electrical boxes flush with the newly installed wall covering without removing or repositioning the existing electric box. It's easy to install.

FITS ALL TYPES OF ELECTRIC OUTLET BOXES: Fits all outlet box styles, PVC, Metal, Fiberglass. New work, old work. It's the only extension rings or extenders to work with every style box made. It's the best electrical outlet boxes extender out there.

FITS SNUGGLY: The patented rear flange allows ReceptXtenders electrical box extender to fit snugly against every style box to assure no gaps are present between the existing box and your newly installed extender.

Rugged welded design does not fall apart during construction.

Gangable design allows installer to build unlimited number of gangs to hold multiple devices.

Rectangular shape fits square cuts in block.

Square steel box is not UL listed for general use

Computer floor use only.

Standard cut-out (cut-out size required is 5.25" x 6.5")

[Features] External size of mini junction box: Length 100 x Width 68 x Height 50 mm. There are several screw pillar inside plastic waterproof switch box, suit for PCB board and terminals, Color of plastic electronic enclosure is Black, Enclosure has ear and it's good for fixing the small junction box .

[Content] Package include 1* exterior electrical box, 1* seal gasket, 4* screws.

[Easy DIY Customization] The electrical junction box weatherproof is easy to be drilled by ordinary machine. It's easy to drill round hole for switch, cable gland, square hole for RH45, connection hole and some other shaped cutouts on the outdoor weatherproof electrical box.

Product Type :Tools

Package Dimensions :2.7 Cm L X10.8 Cm W X19.8 Cm H

Country Of Origin :China

12 PACK: This 4'' electrical box is designed to use to enclose electrical wire connections, receptacles, or switches. Constructed using the drawn method, this box is also ideal for exposed work applications.

KNOCKOUTS: Designed for versatile usage, this electrical box has ten 1/2'' knockouts and six 3/4'' knockouts. (There are eight 1/2'' and four 3/4'' side knockouts, and two 1/2'' and two 3/4'' bottom knockouts.)

MATERIAL: Crafted from 1/16'' thick pre-galvanized steel, this electrical box is manufactured using premium quality materials to ensure durability. Acceptable for use in 2-hour fire rated walls.

Combination screw heads allow quick installation

Drawn construction

Eight 1/2 in. knockouts and four 3/4 in. knockouts