1-Gang Old Work Shallow Outlet Box
4.5Editor score
Lightweight PVC construction
Built-in mounting tabs
Affordable single pack price
10 Best Low Profile Junction Box (October 2026) Expert Guide
Finding the right enclosure for your wiring projects requires careful attention to space constraints and safety standards. A low profile junction box ensures your electrical connections remain protected while fitting neatly into shallow wall cavities or surface mount applications.
We evaluated ten top-rated products based on material durability, installation ease, and overall capacity for wire connections. Our selection includes options for drywall remodeling, ceiling fans, and general electronics housing to suit various professional and DIY needs.
Each pick highlights specific strengths such as waterproofing, fire ratings, or compact dimensions for specialized tasks. Please note that prices and availability change frequently, so check the current listings before making your final purchase decision.
Top 3 Picks for Best Low Profile Junction Box
Shallow Old Work Electrical Box
4.8Editor score
1.24 inch shallow depth
8 cubic inch interior capacity
Fire rated ETL listed
ICC Low Profile Surface Mount Back Box
5.0Editor score
Compatible with standard raceways
Internal cable routing
Adhesive backing option
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Top 10 Best Low Profile Junction Box in 2026 Compared
This side-by-side comparison highlights the key specifications and unique features of each selected product to help you quickly identify the best fit for your specific electrical installation requirements.
ProductsSpecificationsEditor scorePrice
Best Budget
LeMotech Project Box
ABS plastic material
60x36x17mm external size
Five pieces included
4.5Editor score
Editor's Choice
4 Inch Round Shallow Box
Round ceiling fan design
Half inch depth
Bottom knockouts included
4.6Editor score
Best Premium
2 Pack Shallow Outlet Box
Fire rated grey PVC
Remodel old work style
Integrated clamps
4.3Editor score
Shallow Old Work Electrical Box
One point two four inch depth
Eight cubic inch capacity
Fire rated use
4.8Editor score
Leviton Surface Mount Backbox
One point four five inch depth
Surface mount housing
White finish
4.6Editor score
IP65 Waterproof ABS Project Case
IP65 waterproof rating
Three point nine four inch width
Includes cable glands
4.7Editor score
1-Gang Old Work Shallow Outlet Box
Snap-on connection tabs
Four point two seven inch length
ETL certified safety
4.5Editor score
ICC Low Profile Surface Mount Back Box
Voice data compatible
Standard NEMA fit
Adhesive backing
5.0Editor score
ARLINGTON Industries FSC405R
Shallow sconce box
Handy outlet style
Compact design
4.5Editor score
Arlington TVL508 Low Profile TV Box
Eight inch by five inch
TV bridge kit
Receptacle included
4.7Editor score
1. Shallow Old Work Electrical Box – Best Overall Low Profile Junction Box
Shallow Old Work Electrical Box
1.24 inch depth
8 cubic inch capacity
ETL listed safety
PVC construction
This shallow old work electrical box stands out as the top choice for renovation projects requiring a slim profile. With a rating of 4.8 stars, it balances safety certifications with practical dimensions for modern electrical work.
Pros
- Excellent depth for tight walls
- Highly durable material
- Easy drywall install
- Fire rated for safety
Cons
- Single pack only
- Grey color visible
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Its 8 cubic inch interior provides ample room for wire connections while maintaining a depth of only 1.24 inches. The solid PVC construction ensures it resists cracking during screw tightening or wall expansion.
While the grey color might show through if the wall plate is not perfectly aligned, this is a minor trade-off for the durability. It is also fire rated for use in 2-hour rated walls meeting strict building codes.
Electricians and homeowners should choose this for any remodel where space is tight. It offers the best combination of reliability, capacity, and ease of installation available in this category.
Ideal for Remodels
Its shallow design allows installation in existing finished walls without opening large sections of drywall or compromising structural integrity.
Safety Certified
ETL listing and fire rating provide peace of mind that the box meets strict electrical safety standards for residential and commercial use.
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2. 1-Gang Old Work Shallow Outlet Box – Best Value Low Profile Junction Box
1-Gang Old Work Shallow Outlet Box
8 cubic inch interior
Snap-on tabs
Lightweight design
ETL certified
This 1-gang outlet box is the budget-friendly option for those needing multiple units without breaking the bank. It carries a 4.5-star rating and is designed for quick retrofit work in standard residential settings.
Pros
- Very affordable price
- Quick snap installation
- Flame retardant
- Low weight
Cons
- Plastic can flex
- No fire rating
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The built-in mounting tabs and snap-on connection make it incredibly easy to mount on existing walls. The PVC material is flame retardant and resists deformation under normal operating conditions.
While it is lighter than some competitors, this also means it might flex slightly if over-tightened. However, for standard outlet replacements, it provides a secure and professional finish.
This box is best for homeowners or contractors needing cost-effective solutions for basic wiring projects. Its ease of use makes it a strong contender for simple switch or socket upgrades.
Easy Mounting
The snap-on connection system allows the box to lock securely into place quickly reducing the time needed for each installation.
Versatile Use
Its design blends seamlessly into walls making it ideal for both upgrading old homes and new remodel box projects.
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3. ICC Low Profile Surface Mount Back Box – Best Premium Low Profile Junction Box
ICC Low Profile Surface Mount Back Box
Voice data compatible
Internal cable routing
Adhesive option
Standard NEMA fit
This ICC back box is the top premium choice for data and audio applications requiring a clean surface mount solution. It holds a perfect 5.0 rating for its quality and design compatibility.
Pros
- Perfect compatibility
- Cable management
- White finish
- Easy to mount
Cons
- Specialized use
- Single unit pack
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The internal routing and rear entry keep cables organized and hidden from view. It works seamlessly with standard NEMA boxes and raceway systems ensuring a professional finish.
While primarily designed for data and voice, it is not ideal for high voltage wiring. However, it excels in office or home network installations where cable clutter is a concern.
Professionals and network installers should choose this for low voltage projects. Its build quality and adhesive options make it a reliable choice for modern communication setups.
Cable Management
Internal routing and rear entry keep cables organized and neatly hidden preventing clutter and making maintenance easier.
Secure Faceplate
The included threaded brass inserts allow faceplates to be secured firmly preventing them from becoming loose over time.
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4. LeMotech Project Box – Best for Small Electronics Low Profile Junction Box
LeMotech Project Box
ABS plastic material
2.36 inch width
Five pack included
Drillable
This LeMotech project box is ideal for electronics hobbyists needing small enclosures for PCBs and components. It carries a 4.5 rating and comes in a five pack for various DIY projects.
Pros
- Great for hobbyists
- Small footprint
- Easy to drill
- Includes multiple units
Cons
- Small size limits use
- Not for mains power
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The ABS plastic is durable and practical allowing you to drill holes without cracking the material. Its compact design makes it suitable for ESP32 cases and portable accessories.
While perfect for low voltage electronics, it is not intended for standard household wiring. The small dimensions limit its use to signal processing or battery housing applications.
Makers and tech enthusiasts should pick this for custom electronics housing. It provides an affordable and versatile solution for organizing components in tight DIY spaces.
Hobby Friendly
The small size and solid construction make it perfect for organizing various electrical components for your DIY project.
Customizable
The durable ABS plastic allows easy drilling without cracking enabling you to customize the layout for your specific needs.
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5. 4 Inch Round Shallow Box – Best for Lighting Low Profile Junction Box
4 Inch Round Shallow Box
Round ceiling fan design
Half inch depth
Bottom knockouts
Wall fixture compatible
This 4-inch round shallow box is designed specifically for ceiling fans and wall light fixtures requiring tight spaces. It has a 4.6 rating and offers a half-inch depth ideal for low clearance.
Pros
- Perfect for shallow ceilings
- Flexible routing
- Light fixture specific
- Value packs
Cons
- Specific use case
- Round shape limits
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The bottom knockouts allow flexible wiring entry and routing options. It is suitable for a wide range of residential lighting installations where standard boxes might not fit.
While versatile for lighting, it is not designed for switches or outlets. The round shape limits the mounting options compared to rectangular alternatives in other wall types.
Contractors and homeowners installing lights should choose this for its depth and shape. It ensures a clean finish and safe wiring for shallow ceiling or wall fixture projects.
Tight Space Fit
The half-inch deep profile makes it ideal for tight spaces and low-clearance installations in standard residential settings.
Flexible Wiring
Equipped with bottom knockouts it allows flexible wiring entry and routing options for easier installation.
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6. 2 Pack Shallow Outlet Box – Best Remodel Low Profile Junction Box
2 Pack Shallow Outlet Box
Fire rated PVC
Eight cubic inches
Integrated clamps
Two pack
This 2-pack shallow outlet box is perfect for tight spaces and remodel projects needing fire-rated protection. It has a 4.3 rating and provides durable grey PVC construction for long-lasting reliability.
Pros
- Fire rated safety
- Two units included
- Pre-drilled holes
- Clamp design
Cons
- Plastic flex
- Limited color
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Pre-drilled mounting holes and integrated clamps allow quick and secure installations. It is suitable for kitchens and bathrooms where space is limited and safety is paramount.
While the grey color is standard for PVC, it might require paint to match surrounding trim. The plastic can flex if not supported properly during heavy screw tightening.
Electricians working on renovations should pick this for its safety rating and multi-pack value. It offers a secure solution for protecting wiring connections in shallow wall cavities.
Fire Safety
Fire rated construction ensures compliance with safety standards for residential and commercial wiring in renovation projects.
Quick Install
Pre-drilled mounting holes and integrated clamps allow electricians to complete installations quickly and securely.
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7. IP65 Waterproof ABS Project Case – Best Outdoor Low Profile Junction Box
IP65 Waterproof ABS Project Case
IP65 waterproof rating
Impact resistant
Cable glands included
Black finish
This IP65 waterproof project case is perfect for outdoor applications requiring protection from dust and water. It has a 4.7 rating and includes all necessary hardware for sealing cable entries.
Pros
- Weather proof protection
- Drillable ABS plastic
- Sealing gaskets
- Complete kit
Cons
- Deeper profile
- Price per unit
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The high-quality ABS material offers outstanding impact resistance and electrical insulation. It is designed to keep equipment well-protected in harsh environments like rain or snow.
While it is more robust than standard indoor boxes, its size might not fit shallow wall cavities. However, for outdoor power supplies or controllers, it provides essential safety.
Outdoors and weather-proofing needs should choose this for its reliable sealing. It offers a durable solution for housing electronics that face exposure to elements.
Weatherproof
Waterproof and weather designed effectively block splashing water and rain keeping internal electronics safe and dry.
Impact Resistant
Made of high-quality ABS material that offers outstanding impact resistant and electrical insulation for harsh environments.
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8. Leviton Surface Mount Backbox – Best Commercial Low Profile Junction Box
Leviton Surface Mount Backbox
Surface mount housing
White finish
Commercial quality
Breakouts included
This Leviton surface mount backbox is designed for places where wall boxes are not practical. It has a 4.6 rating and is known for its commercial quality product line.
Pros
- Commercial grade build
- Standard color
- Compatible breakouts
- Brand trusted
Cons
- Shallow depth limit
- Single unit
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The depth of 1.45 inches allows for standard switches and faceplates. It features breakouts to match common surface mount raceway systems for easy integration.
While reliable, it may not fit in very shallow wall cavities compared to others. It is best for surface mounting where aesthetics and durability are both required.
Contractors needing commercial grade solutions should choose this. It provides a professional finish and matches color-matching wallplate series for consistent looks.
Commercial Quality
The commercial quality product line ensures the box is built to handle daily use in demanding environments.
Raceway Ready
Surface mount boxes have breakouts to match common surface mount raceway systems for easy cable management.
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9. ARLINGTON Industries FSC405R – Best Sconce Low Profile Junction Box
ARLINGTON Industries FSC405R
Shallow sconce box
Handy outlet
Light fixture ready
Standard mounting
This shallow sconce box is designed for wall lighting fixtures requiring a compact electrical enclosure. It has a 4.5 rating and provides a reliable option for standard sconce installations.
Pros
- Specific sconce fit
- Compact design
- Handy box
- Reliable brand
Cons
- Limited to sconces
- Basic features
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As a handy box, it is versatile for small electrical projects and outlet work. Its design ensures that wiring connections are contained safely within the fixture's wall cavity.
While it is specific to sconces, it may not fit all fixture types. It is best for standard installations where depth is limited and safety is required.
Homeowners installing wall lights should choose this for its purpose-specific design. It ensures a secure fit for sconce wiring without excessive bulk.
Lighting Ready
This shallow sconce box provides the necessary protection for electrical connections in wall light fixture projects.
Handy Box
It acts as a handy box for various small electrical projects requiring a compact and reliable enclosure.
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10. Arlington TVL508 – Best TV Low Profile Junction Box
Arlington TVL508 Low Profile TV Box
TV bridge kit
Eight by five inch
Receptacle included
White paintable trim
This Arlington TV box is designed for shallow walls and provides a complete low profile solution for flat screen setups. It has a 4.7 rating and includes a UL listed receptacle.
Pros
- Complete TV kit
- Paintable finish
- Includes receptacle
- Shallow drywall fit
Cons
- Expensive
- TV specific
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It fits shallow drywall depths of half inch or five eighth inch making it ideal for retrofitting. The white trim is paintable allowing for a complete finish with your wall.
While it is expensive and specific to TVs, it saves time during installation. The convenient low profile design helps hide wires and keep the wall clean.
Homeowners mounting TVs should choose this for a clean professional look. It offers a complete kit solution that simplifies the wiring process for media walls.
Retrofit Ready
Used for installation of flat screen TVs to save time with retrofit or new construction.
Clean Finish
White trim is paintable allowing for a complete finish that blends seamlessly with your wall color.
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Buying Guide – How to Choose the Best Low Profile Junction Box
Choosing the right low profile junction box depends on several key factors including wall depth, fire ratings, and installation type to ensure safety and functionality.
Wall Depth and Space Constraints
The primary factor in selecting a low profile box is the depth of your wall cavity. Standard boxes may not fit in remodel scenarios where drywall is shallow or studs are exposed, so measuring the available space is critical.
Look for boxes with depths less than 1.25 inches if you are working with thin drywall or want a flush finish.
Material and Durability
Boxes are typically made of PVC or ABS plastic which are lightweight and resist corrosion. Metal boxes are heavier but may offer better fire protection in commercial settings.
Ensure the material is rated for your specific environment whether indoor, outdoor, or commercial.
Fire Rating and Safety Certifications
Safety certifications like ETL or UL listing ensure the box meets electrical standards. Fire rated boxes are essential for commercial walls and multi-unit buildings.
Always verify the fire rating to comply with local building codes for your specific installation.
Mounting Type
Decide whether you need an old work remodel box that clamps to existing drywall or a surface mount box that sits on the wall.
Old work boxes are better for renovations while surface mounts are easier for retrofits without cutting holes.
Interior Capacity
The cubic inch capacity determines how many wires can be safely packed inside the box. Too many wires can cause overheating and violate electrical codes.
Check the interior volume against the number of wires and devices to ensure compliance.
Weather Resistance
If installing outdoors, look for waterproof ratings like IP65 to protect against rain and dust.
Standard indoor boxes should not be used in wet locations as they lack necessary sealing.
Color and Finish
White boxes blend better with standard wall colors but grey is common for PVC. If painting is required, choose a model with paintable trim.
Consider the aesthetic impact for visible installations like sconces or surface mounts.
Package Quantity
Buying in packs can save money if you are doing multiple projects. Compare single unit prices versus multi-pack deals to find the best value.
Check if the pack includes necessary hardware like screws or clamps.
How to Use and Care for Your Low Profile Junction Box
Turn off the power at the circuit breaker before handling any wiring to prevent electrical shock. Test wires with a voltage tester to confirm they are live.
Cut a clean hole in the drywall or existing surface using a drywall saw. Ensure the hole dimensions match the box outer dimensions for a snug fit.
Connect the wires according to color codes and tighten connections. Mount the box securely using the provided tabs or screws before restoring power.
Frequently Asked Questions
What is a low profile junction box?
A low profile junction box is a compact enclosure designed to fit into shallow wall cavities where standard boxes cannot fit. It is essential for remodeling and retrofit projects where space is limited.
Can I use a PVC box outdoors?
Standard PVC boxes are not waterproof unless specified. For outdoor use, you need a box with an IP rating like IP65 to ensure protection against rain and dust.
Is a fire rating necessary for residential?
While not always required for single homes, many local codes mandate fire-rated boxes for shared walls and commercial spaces to prevent fire spread.
How do I install an old work box?
Old work boxes typically have clamps that tighten behind the drywall when you screw in the mounting bolts. This allows installation without removing the wall surface.
What is the difference between a gang and a single?
A single gang box holds one device like a switch or outlet while a two-gang box holds two. Choose based on how many devices you need to install.
Why are some boxes grey and others white?
Grey is the natural color of PVC and is common for indoor use. White is often used for commercial or surface mount applications to match trim.
Do low profile boxes have enough space?
Yes, many low profile boxes have the same cubic inch capacity as standard ones. Always check the volume specification to ensure it holds your required wires.
Are surface mount boxes allowed?
Yes, surface mount boxes are allowed by code for retrofitting or when drywall cannot be cut. They provide a clean finish when installed correctly.
Final Thoughts on Choosing the Best Low Profile Junction Box
We reviewed ten excellent options ranging from remodel old work boxes to specialized TV kits. The shallow old work box stands out for general renovations due to its fire rating and ease of install.
Prioritize safety certifications and dimensions to ensure your wiring project meets local codes. Whether you need a waterproof outdoor solution or a surface mount for office networks, there is a model to suit your needs.
Prices fluctuate regularly so always check current listings before purchasing. These guides ensure you select the right enclosure for a safe and professional electrical finish.