Hide Frame TV One Connect Box (Recessed Wall Box)
To conceal a Samsung One Connect box, first check the exact TV manual and box dimensions. Fit it in an accessible, ventilated recessed enclosure approved for the location. Provide code-compliant power at the recess, and route signal cables only if their markings and instructions allow it. Never run the box’s flexible AC cord inside a wall.
A recessed box can make a Frame TV installation look far cleaner, but the recess must work as well as it looks. The One Connect box produces heat, needs room for its connections, and may need service later. A snug opening behind the TV is not automatically a safe enclosure.
I plan these installations around the exact model, the wall cavity, and the intended cable route. Those details matter because Samsung has used different One Connect boxes and cables. There is no single set of dimensions or clearances that applies to every model.
Planning: Model, Manual, Wall Survey, and Code
Planning means confirming the TV and One Connect model, then checking the manufacturer’s instructions and the wall before making an opening. The manual controls model-specific placement and cable details. Local electrical rules control fixed wiring, receptacles, and access to boxes. Check both before choosing a recess.
Confirm the model and instructions
Find the model numbers for both the TV and One Connect box. Use the instructions for that exact equipment, not a guide for a similar-looking model. Note the box dimensions, approved cable type, permitted orientation, connection space, and any stated ventilation clearances.
NEC 110.3(B) requires listed or labeled equipment to be installed and used according to its instructions. That makes the manual part of the installation plan, not an optional reference. If the manual does not specify an airflow rate, do not invent one. Instead, follow its clearance instructions and the enclosure maker’s requirements.
Survey the wall and route
Before cutting, identify the wall type, stud locations, cavity depth, and any fire blocking. Check for existing electrical wiring, plumbing, and other obstacles in the planned opening and cable route. A stud finder can help, but it does not replace a careful check of the area.
Also confirm that the enclosure fits without forcing the box or bending cables sharply. The opening must leave room for connectors and cable bends, not just the box body. If the wall is masonry, has a shallow cavity, or contains a fire block in the way, the plan may need to change.
Access and Clearances: Enclosure, Ventilation, and Cables
The recess must protect the equipment while leaving it cool enough, reachable, and easy to remove. Choose an enclosure suited to the location and intended equipment. Check its listing and instructions alongside the Samsung manual; a generic low-voltage box may not be suitable for a powered electronic device.
Choose a suitable enclosure
Measure the One Connect box and compare it with the enclosure’s usable interior space. Allow for the manual’s required clearances, the power connection, signal connectors, and cable bends. Check whether the enclosure instructions permit the planned use and whether its cover provides the access and ventilation the installation needs.
Do not seal the box in a closed cavity, wrap it in insulation, or block its vents. There is no universal One Connect clearance or cooling requirement. If the model instructions and enclosure instructions do not clearly support the proposed arrangement, pause and ask the manufacturer or a qualified installer.
| Check | What to verify | Why it matters |
|---|---|---|
| Interior fit | Box, plugs, cable bends, and stated clearances | Prevents pressure on ports and cords |
| Enclosure use | Listing, location limits, and equipment instructions | A recessed box is not automatically suitable |
| Ventilation | Openings and spacing required by the instructions | Avoids trapping heat |
| Service access | Cover can be removed; box and connections can be reached | Supports repair and replacement |
| Cable route | Exact cable marking and manufacturer instructions | Appearance alone does not prove in-wall suitability |
Verify cable ratings
A cable that looks thin or optical is not automatically rated for in-wall use. Read its markings and check the product instructions for the planned route. Use the supplied or model-approved One Connect cable when required, and do not substitute a cable based only on connector fit.
Keep the One Connect box and its connections removable. NEC 314.29 requires junction boxes to remain accessible without removing part of the building structure or finish. Do not bury a junction or place the box behind permanent trim or drywall.
Execution: Recess, Power, Signal, and Finish
Execution means fitting the enclosure, providing legal power, routing approved signal cabling, and testing the complete system before finishing. Keep power and signal plans distinct. The TV’s detachable AC cord is not fixed building wiring, even if a wall plate or conduit seems to make the route look tidy.
Install power and signal correctly
Provide a code-compliant receptacle at the recess, or use a listed power-relocation assembly installed exactly as its instructions require. A qualified electrician can determine the right method for the wall and local rules. Do not place an extension cord or power strip inside the wall.
Route signal cable only when its marking and manufacturer instructions permit that installation. Keep it clear of sharp edges and avoid tight bends, pinched sections, or strain at the connectors. If the existing cable cannot reach without tension, choose an approved longer cable or revise the equipment placement.
A practical sequence is:
- Mark the enclosure opening only after checking studs, utilities, cavity depth, and fire blocking.
- Install the enclosure according to its instructions, keeping the cover and equipment accessible.
- Have the receptacle or listed power-relocation assembly installed as required.
- Route the approved signal cable without crushing it or exceeding its permitted bend.
- Place the One Connect box in the enclosure in the orientation allowed by its manual.
- Connect the TV and accessories, then test before adding final trim or concealing the access.
Installation Scenarios: What Changes the Plan
The right approach depends on the wall and the equipment, not just the desired appearance. These examples are planning scenarios, not reports of named customers. They show why I check model instructions and wall conditions before recommending a recessed box.
Newer wall with a clear cavity
When a stud bay has enough depth and no conflicts, a listed enclosure may fit behind the TV. I still check the box dimensions, connector room, ventilation instructions, and access cover. Power must be provided at the recess or through a listed relocation assembly; the supplied AC cord cannot be routed through the wall.
Shallow cavity or obstruction
A shallow wall, fire block, plumbing line, or existing electrical cable can make the planned enclosure unsuitable. Cutting deeper or squeezing the box into a small opening is not a safe fix. I would revise the location, use a different enclosure that is suitable for the conditions, or keep the equipment accessible outside the wall.
Verification: Test, Service Access, and Prohibited Methods
Verification confirms that the TV works, cables are not pinched, and the enclosure remains serviceable. Check the installation before concealing any access point. If a connection is unstable or the box becomes unusually hot, stop and compare the setup with the model manual and enclosure instructions.
Test before finishing
With the system connected, power on the TV and confirm that it recognizes the One Connect box. Test the picture, sound, and connected devices. Check that the cable has slack at its connectors and is not caught by the enclosure cover.
Make sure the enclosure can still be opened and the box removed. Keep the manual, enclosure information, and any cable details with the home records. If the setup changes later, those details help an electrician or installer assess the existing route.
Avoid these unsafe shortcuts
The detachable AC cord from the One Connect box is a flexible cord. NEC 400.12 restricts flexible cords from uses such as passing through holes in walls or being concealed within building construction. Putting that cord in conduit or behind a brush plate does not turn it into approved fixed wiring.
Do not:
- Run an extension cord, power strip, or flexible AC cord through the wall.
- Hide a plug connection or junction where it cannot be reached.
- Seal the box in an unventilated cavity or cover its ventilation openings.
- Assume an optical cable is in-wall rated without checking its marking.
- Cut or alter a manufacturer-supplied cable unless the instructions allow it.
The NEC edition and local amendments vary. Confirm requirements with the local authority having jurisdiction (AHJ), and use a licensed electrician when the power work or wall conditions call for one.
Conclusion: A Clean Recess That Stays Safe
A recessed One Connect box can keep the Frame TV wall neat without sacrificing access or reliability. Start with the exact model manual, select an enclosure that suits the equipment and location, and plan legal power separately from signal cabling. Before closing the installation, test the system and confirm every connection remains reachable.
Frequently asked questions
Can I put a One Connect box inside a recessed wall box?
Yes, if the enclosure is suitable for the location and equipment, fits the exact model, follows the box’s instructions, and preserves required ventilation and access.
Can I run the One Connect power cord through the wall?
No. It is a flexible cord, not a substitute for fixed in-wall wiring. Use a receptacle at the recess or a listed power-relocation assembly installed according to its instructions.
Does every Samsung One Connect box have the same dimensions?
No. Dimensions and requirements vary by model. Measure the exact box and check its manual before choosing an enclosure.
How much ventilation does the box need?
Follow the instructions for the exact One Connect model and enclosure. Do not assume a universal clearance or airflow figure.
Can I use a low-voltage recessed box?
Not automatically. Check that the enclosure’s listing and instructions allow the intended equipment, location, cable routing, and access.
Is the One Connect cable safe to run in a wall?
Only if the exact cable’s markings and manufacturer instructions permit that route. Do not infer an in-wall rating from its appearance or optical design.
Can I hide the box behind drywall or permanent trim?
No. Keep the box and its connections accessible for service. NEC 314.29 also requires junction boxes to remain accessible.
Can I use conduit for the detachable AC cord?
Do not use conduit as a way to route the flexible AC cord inside a wall. Provide a code-compliant receptacle or listed power-relocation assembly instead.
What if the wall cavity is too shallow?
Do not force the box into the space. Consider a different suitable location or an accessible installation outside the wall.
Should an electrician install the recessed power?
An electrician can determine the correct method under local code and handle receptacle or relocation-kit work where required. Check local permit rules and the adopted NEC edition.
(This article was written by one of our staff writers, Michael Holloway. Visit our Meet the Team page.)
