Best Thermoplastic Electrical 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

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

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

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!

PROFESSIONAL LOOK: Recessed receptacles will allow flat screen TVs, A/V equipment, clocks, artwork, or entertainment consoles to be positioned closer to walls so your TV or other devices would have a professionally installed look

RESCESSED DESIGN: Helps prevent cords from being accidentally snagged and unplugged. The durable recessed frame reduces or eliminates the protrusion of plugs. This will help prevent wire damage or prevent the inability to install an equipment at the location.

HIGH QUALITY: Made of unbreakable polycarbonate thermoplastic material which provides durability and resilience to withstand hard impacts and heavy force

Product Name: Junction Box, Electrical Boxes ; Waterproof Rating: IP65.

Outer Size of electrical enclosure: 7.9" x 4.7" x 2.95" (200mmx120mmx75mm)/(L*W*H); Inner Size of electrical enclosure(Approx.): 7.6"x4.4"x2.7" (192mmx112mmx68mm)/(L*W*H)- - (Allowable Error: 2mm);Thickness: 0.12''/3mm

Electric Enclosure Material: ABS, Rubber; Net Weight: 320g

The product is SG Old Work Box

Easy to use

The product is manufactured in China

[ Sturdy Construction ] Electrical Junction box is made of high-quality ABS plastic material, which offers excellent impact resistance and electrical insulation. Rest assured that your equipment will be well-protected in harsh environments.

[ Safe and Certificated ] With CE RoHS compliant and IP55 waterproof rated, the electrical box is free of hazardous substances. The plastic box is predrilled which is easy to install and modify for your project.

[ Indoor and Outdoor Use ] With the feature of water resistance and dustproof,it can effectively block splashing water, rain, dust, snow, oil, UV and more. Whether you need to use it indoors or outdoors, this surface mounted project box is easy to operate.

【Size】- Outer size of the project box: 6.22"x3.54"x2.36"(158 x 90 x60 mm); Inner size of the project box:5.94" x3.27" x 2.17" (151 x83 x55mm)

【IP65 Waterproof Grade】- Waterproof & weather designed, effectively block splashing water, rain, dust, snow, oil, etc., Ideal for electronic projects, Arduino enclosure, power supply units, temperature controller box, etc.

【Superior Durable】- Made of high-quality ABS material that offers outstanding impact resistant and electrical insulation, Moisture-proof, sunscreen, anti-corrosion, durable for years use. can keep your equipment well-protected in harsh environments.

【Size】- Outer size of the project box: 7.87"x 4.72"x2.95"(200 x 120 x75 mm); Inner size of the project box:7.59" x4.4" x 2.67" (192 x112 x68mm)

【Superior Electrical Safety】– IP65 Rated Indoor & Outdoor Waterproof Junction Box protect against dust, corrosion and splashing water, helps keep all your home electrical equipment Clean & Dry.

【Superior Durable】- Made of high-quality ABS material that offers outstanding impact resistant and electrical insulation, Moisture-proof, sunscreen, anti-corrosion, durable for years use. can keep your equipment well-protected in harsh environments.

【Specifications】Product name: Electrical Box; Waterproof rating : IP65; Qualification：CE、ROHS; Material: ABS; Net Weight: 190g; Main Color: Gray.

【Product Size】Outer Size of enclosure box (Approx.): 5.91" x 3.94" x 2.76"(150mmx100mmx70mm)(L*W*H); Inner Size of enclosure box(Approx.): 5.12" x 3.19" x 2.46"/130 x 81 x 63mm(L*W*H)- - (Allowable Error: ±2mm).

【Industrial Electrical Box】: electrical unit is not only weather resistant but also waterproof and does not allow dust to enter. You can drill holes inside depending upon your project requirement with no cracks and compromise

Weatherproof & waterproof designed enclosure box, suitable for harsh outdoor environments or indoor industrial applications

Includes a mounting panel for easy installing PCB board, terminal or any other electrical components which need to be fixed on

Simple hinged cover, easy open and close, stainless steel latches can keep a good watertight

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.

SatelliteSale Weatherproof Junction Box Heavy Duty Enclosures are widely used by cable technicians to manage cables and wires. A special rubber gasket at the bottom ensures snug cables connection and makes the enclosure weatherproof. Moreover, additional knockouts make running conduits inside the enclosure a breeze.

Rain or shine, snow, sleet, hail, or wind, the SatelliteSale Demarcation Enclosure is designed with UV-rated thermoplastic alloy to withstand the elements day in and day out. The case can be painted with aerosol spray paint for plastic to be discreet and match your design.

Whether you're a DIY master or a professional technician, this enclosure is perfectly suitable for you and a variety of your projects. Use it to install large and small gauge wires, cables, invisible electric fence control systems, wireless extenders, sprinkler control systems, wireless access points, water pool control systems, and even as a DIY case for the Raspberry Pi Computer.

[PREMIUM QUALITY] TICONN electrical waterproof box is made from quality ABS plastic, which offers superb impact resistance and electrical insulation capability. Easy-to-operate door latches are made from 304 Stainless Steel

[IP67 GRADE] The electrical box offers complete protection against water and liquids, up to and including immersion in up to one meter of water. Great for high humidity environment.

[EASY TO MOUNT] The outdoor electrical box weatherproof comes with grid mounting plates that allow you to mount your board or device in the waterproof plastic box easily. A 3/8" NPT and a 1/2" NPT cable gland are included in case you need to feed wires outside. 4 stainless steel mounting brackets can be used to hang the box on walls or fences.

Made in the U.S.A

UL Listed, Weatherproof

Diecast aluminum alloy, Durable powdercoat finish, Corrosion resistant

Outdoor Storage of Electronics

Heavy Duty, Weather Proof Thermo-Plastic Alloy

Continuous horizontal and vertical bosses provide a plethora of mounting options

Material: Non-metallic

High impact resistant thermoplastic

Color: Brown

Largest wire fill capacity in their class

Won't crack or break in extreme environments

Resists flexing, hold their shape

Eliminates need for bonding jumper in grounded metal enclosure

Side in terminals accept up to number 10-solid wire or stranded wire and push in terminals accept number 14-solid wire

Black and Brass finish is impact-resistant thermoplastic face and back body is virtually unbreakable

Diameter:4 1/4 in

Material:Non-Metallic, Phenolic

Type:Old Work, Fixture Box, Ceiling Box

WEATHERPROOF COVER: Get maximum toughness and protection. Our 2-Gang Weatherproof Toggle Switch Cover for home improvement is NEMA rated and cULus listed for wet and damp locations.

SECURE FIT: Ensure a snug fit on any size switch. Our light switch cover guard comes with a horseshoe adapter that conforms to small or large head switches while being protected from the elements.

CONVENIENT INSTALLATION: Set up your weatherproof protection without needing to shop around for extra equipment. This tough outdoor switch cover includes gasket and mounting hardware for quick fitting.

【Weatherproof Junction Box Outdoor】The waterproof Junction box is made of ABS and PVC plastic, IP66 waterproof rated. Solid construction and a good seal to protect against sun exposure, dust, corrosion,splashing water and rats. Very suitable for outdoor use.

【Size】Outer Size:125x86x62mm (4.9 x 3.3 x 2.3 inch) Inner size(Approx):117x 76x 38mm(4.6 x 3 x 1.5 inch) ; Color:grey. Mounted type:surface mounted.

【Watertight PVC Junction Box 4.6 x 3】The DIY opening hole design greatly ensures the sealing of the waterproof project box. Up to 9 holes can be distributed on the 4 sides and bottom of the waterproof box. You can make holes according to your needs.

For residential and commercial old work applications

Ideal for standard devices and switches with 3-3/8” screws spaced

Thermoplastic material resists rust and won't conduct electricity

<b><p>✔ STRONG & LIGHTWEIGHT POLYSTYRENE (PS) PLASTIC</b> This space age material is stronger and more durable than many other resin compounds and is considered the lightest among all major plastics

<b><p>✔ ENVIRONMENTALLY FRIENDLY & RECYCLABLE</b>Polypropylene is more environmentally friendly than some other plastics. It's recyclable and doesn't release as many toxins as plastics such as PVC.

<b><p>✔ SUPERIOR DIELECTRIC INSULATOR STRENGTH</b> Polystyrene has one of the highest electrical insulating strengths from all polymer plastic, ensure the safety and longevity of your equipment with PS!

[ 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.

This cover is for use with Bryant floor box #RF400 (sold separately)

Pre-assembled flange, cover and leveling ring for quick installation; floor box not included

Designed for slab-on-grade installation. Quick and easy installation is assured using a push in floor box leveling system

Quick/click feature quickly and easily safeguards devices

Has maximum capacity of 22 Cubic-Inch