Best Rectangular Electrical Outlet Boxes in 2026

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

UL Extra-Duty Compliant – Rated for use in wet locations under National Electrical Code 406.9 (B)(1).

Protection – Cover is constructed of durable polycarbonate to protect your outlet from the elements. The clear finish makes it easy to see cords, plugs and receptacles.

Security – The built-in latch is perfect for most standard padlocks. Lock your outlet cover to prevent unauthorized use of your 3-prong outlet.

Heavy duty 42 lb. mounting screws supplied

Mounts to wood or metal stud 25g

Extra thick PVC wall material creates stability and rigidity

Includes mounting lugs, closure plugs and self-threading ground screws for easy assembly.

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.

2" Deep. Cross Reference: SB350S / 30203 / WPB23

Carlon B114R-UPC Lamson Home Products Number-1G Old Work Box Pack of 3

3-3/4" x 2-3/8" rectangular Hole needed

Overall outside dimensions: 4.25" tall, 2.25" wide, 2.75" deep

Product name: junction box, project box; Waterproof Rating: IP65

Ideal for electronic projects, instrument enclosure, power supply units, temperature controller box, etc

Material: ABS ,which is durable and practical; Main Color: Black

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

Has maximum capacity of 18 Cubic-Inch

Comes in rectangular shape

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

(Pack of 2) 1 Gang extending electrical boxes. Used for extending electrical boxes up to 1-1/2-inches

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

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

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.

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

Weatherproof outlet box designed to house a single-gang switch or receptacle in moisture-prone and outdoor locations; includes three 0.75” 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 aluminum alloy, Durable powdercoat finish, Corrosion resistant

Superior commercial quality die-cast metal construction

Premium powder coat finish provides maximum weatherability and scratch resistance

Internal hub threads comply with nema requirements and will accept all threaded fittings and threaded conduit

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

Carlon non-metallic boxes feature PVC construction for easier installation

Product Name: Junction Box;

Waterproof Rating: IP67; Qualification:CE

Material: Plastic; Net Weight: 310g; Main Color: Gray .

IN BOX's one-piece assembly replaces the installation of an electrical box, siding block, an bubble cover assembly.

Bug Plugs ship installed to seal unused cord hole openings

Install an outlet and a switch, or two switches in one location.

Round box adapter only

Adapts single gang cover to round receptacle box

Designed for use in conjunction with other weatherproof products

Sturdy Steel Construction: NEMA outdoor enclosure is meticulously crafted from 1.5 mm cold-rolled carbon steel made by precise cutting and welding. Our electrical enclosure got CE, ROHS certificates, has stronger wear resistance, and keeps your equipment well protected in harsh environments.

IP66 Waterproof Grade: The metal electrical enclosure box complies with NEMA 4X & IP66, which has excellent water resistance, and dust resistance. The sealing strip has excellent sealing performance. Direct us as the first option when unfulfilling your demands. VEVOR will resolve any feedback.

Reinforced Lock & Hinge: The electrical outdoor enclosure features a high-quality lock core to increase security and lockability, making it less likely to fall off. The high-strength hinged lid is designed to ensure that the door is not easily damaged or broken due to squeezing.

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.

Product composition: 20A Tamper-Resistant Receptacle Outlet+ 3-Port RJ45+ steel box .Adding dampers makes the product open slowly and more elegantly. Stainless steel surface and white sockets.

Product Materials:The black top cover is made of aluminum alloy, rustproof, weatherproof, waterproof gasket with IP44 waterproof rating, tamper-proof export, the bottom box is made of stainless steel, black paint, to play the role of antioxidant coating.

Product installation and use: it can be installed on concrete structures, floors, dining tables, marble countertops, kitchen countertops, beautiful and easy to use. Includes metal box with ears, it is glued to the bottom of the countertop with glue, or fixed with screws under the countertop.

Die-cast metal construction

Premium powder coated finish

UL Listed, Enclosure NEMA 3R Rated

Contains low profile. 15A 125V tamper resistant receptacle

Adjustable up to 34"

Adjustable up to 34 in. to accommodate any floor box assembly

【STURDY CONSTRUCTION】- The electrical enclosure adopts heavy-duty fiberglass reinforced polyester made by precise cutting and welding. It has stronger wear resistance and can prevent rain erosion. Superior edging technology improves the compressive strength of the electrical box.

【REINFORCED LOCK & HINGE】- The electronic equipment enclosure box features a high-quality lock core with a reliable precision structure that is not easy to fall off. The lockable door features reinforced hinges and dual quarter-turn latches to secure the fiberglass electrical enclosure.

【WATERPROOF SEALING STRIP】- The electrical box is sealed with rubber strips to prevent rainwater from entering and protecting internal electrical. The hinged junction box is built with an IP65 protection class and earthing screw to ensure electrical and product security.

RAB B3B WEATHERPROOF OUTLET BOX

COMBINATION PACK – This listing includes one 4" square electrical box and one 4" square two-gang 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 two receptacles. With its crushed corners, no bonding jumpers are required for this cover.

Included - 1 Legrand - Pass & Seymour recessed 3 gang wall box, white screw-in powder coated wall outlet box

Use - Enjoy a clean, flush-mount appearance as this 3 gang recessed TV box allows for snug-to-wall placement of your flat-screen TV and handles up to 12 multimedia connections

Quality Materials - With flexible configuration, has snap-on end caps to hid mounting screws and you can position either line voltage or low-voltage in all three openings and accepts standard Pass & Seymour TradeMaster wall plates

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

Rugged die cast aluminum construction

Internal hub threads comply with NEMA requirements and will accept all threaded fittings and threaded conduit