Hide Electric Panel Hole (Sliding Cover)
A sliding cover can hide an oversized wall opening around an electrical panel without changing the panel itself. Keep the panel enclosure, operating door, and required working space clear. Plan the cover’s full travel before mounting its track, use suitable wall framing for support, and check local code requirements if any part of the assembly overlaps the panel or its dedicated space.
A neat wall can make a room feel calmer, but a rough or oversized cutout around an electrical panel can draw the eye. A sliding cover may be a clean solution, provided it conceals only the gap around the panel and does not delay access or interfere with safe work.
I begin by separating the visual problem from the electrical equipment. The panel must remain easy to identify, open, and service. The cover is a finish element, not a new panel door. Local rules and the authority having jurisdiction (AHJ), meaning the local official who enforces the code, can affect what is allowed.
Plan the Concealment Without Altering the Panel
A safe design hides the wall opening, not the electrical panel or its working area. Keep the cover separate from the panel enclosure, which is the metal or approved nonmetal box containing the electrical parts. Do not attach to, drill into, paint over, or modify the enclosure or its inner protective cover.
Before choosing a style, record the panel’s outside dimensions and the size of the wall opening. Note whether the panel has vents, labels, or other features that must stay visible. Also check the panel-door swing and the wall construction. If the wall is fire-rated, the repair and finish must preserve that rating; ask a qualified contractor when you are unsure.
The main code reference is the locally adopted edition of NFPA 70, the National Electrical Code (NEC). Sections 110.26 and 240.24(A) address working space and access. Local amendments may differ, so confirm requirements with the AHJ before building, especially if the cover or its hardware will overlap the panel face or dedicated space.
A sliding cover should move by hand, without a key, tool, or moving furniture. Keep its handle easy to find, and make sure occupants can tell where the panel is. A discreet label on the wall or cover can help without making the design feel utilitarian.
Next step: Draw the panel, wall opening, cover, and track to scale before selecting hardware.
Map Working Space, Door Swing, and Cover Travel
Working space is the clear area in front of electrical equipment used to operate and service it. The NEC sets minimum dimensions based on the equipment and conditions. Measure from the panel front, not from the wall or the decorative cover, and confirm the rules in the locally adopted code.
For equipment at 0–150 volts to ground, NEC Table 110.26(A)(1) sets a minimum working-space depth of 3 feet. For equipment at 151–600 volts to ground, the required depth is 3, 3.5, or 4 feet, depending on the table conditions. Do not select a depth by guesswork; have an electrician confirm the equipment voltage class and applicable condition.
The minimum width is 30 inches or the equipment width, whichever is greater. It does not have to be centered on the equipment. The minimum height is 6.5 feet or the equipment height, whichever is greater. These are clear working-space dimensions, not suggested dimensions for the decorative panel.
The electrical equipment door or hinged panel must be able to open at least 90 degrees. That rule applies to the equipment door. It does not automatically require a decorative slider to open 90 degrees, but the slider must not block the panel door or prevent access.
| Item to measure or check | NEC reference | Design implication |
|---|---|---|
| Working-space depth | 110.26(A)(1) | At 0–150 V to ground, at least 3 ft; at 151–600 V, 3, 3.5, or 4 ft based on conditions |
| Working-space width | 110.26(A)(2) | At least 30 in. or equipment width, whichever is greater |
| Working-space height | 110.26(A)(3) | At least 6.5 ft or equipment height, whichever is greater |
| Equipment door | 110.26(A)(2) | Must open at least 90° |
| Dedicated space above indoor equipment | 110.26(E) | Generally keep the area above the equipment, up to 6 ft above it or the structural ceiling, whichever is lower, for electrical installation |
A cover can cause a problem even when it slides. Its parked position, handle, or track may project into the space needed to approach the panel. The dedicated space above indoor equipment is also not a place for unrelated systems. If your cover overlaps the panel face or this reserved area, do not assume the sliding action makes it acceptable. Ask the AHJ before installation.
Next step: Mark the required working-space boundary on the floor and wall, then test both cover positions against it.
Mount the Track and Finish the Wall Safely
The track supports the moving cover; it should be anchored to suitable wall framing, not to the panel enclosure. Choose a system that fits the cover’s size and weight, but do not treat a hardware rating as proof of electrical-code compliance. The NEC does not set a universal hardware rating or airflow requirement for this kind of decorative cover.
First, identify the wall type and locate framing. Before drilling, check for concealed wiring and piping. If their location is uncertain, stop and have a qualified person assess the area. Use fasteners suited to the framing and the track manufacturer’s instructions. Keep the track, stops, and fasteners clear of the panel and its operating door.
The cover material and finish should suit the wall assembly and local rules. Where the wall has a fire rating, do not cut, cover, or patch it in a way that reduces its required performance. If the opening exposes wall cavities or damaged edges, repair the opening properly before adding a finish cover.
Do not rely on a tight-fitting decorative panel to provide ventilation. There is no universal NEC CFM figure for this application, but the panel maker’s instructions and any equipment-specific ventilation needs still matter. Do not cover a vent or label, and ask an electrician if the panel has unusual openings or signs of heat damage.
A useful design sequence is:
- Measure the wall opening and panel separately.
- Mark the cover’s full travel and parked position.
- Confirm the panel door can open at least 90 degrees.
- Select a manually movable cover with no lock or tool-dependent release.
- Anchor the track to suitable framing, after checking for hidden services.
- Finish the wall without changing the panel or its enclosure.
I treat the finished piece as an independent wall detail. That keeps the visual solution reversible and helps prevent the cover from becoming part of the electrical equipment.
Next step: Before finishing the wall, move the cover through its full travel and check for contact with the panel, door, handle, and track stops.
Check Installation Scenarios Before You Build
These examples are planning scenarios, not reports of specific homes. They show how the same sliding-cover idea can work differently based on the opening, the panel door, and the available wall space. In each case, the first question is whether the cover stays outside required access and working space.
A wide cutout around a recessed panel
A recessed panel may have a wall opening wider than its enclosure. A shallow sliding piece can conceal the rough edges if it runs on the surrounding wall and leaves the enclosure and door untouched. I would check the cover’s overlap, track location, and parked position before choosing its width.
If the wall opening is part of a rated assembly, confirm how it must be repaired. A decorative cover does not replace a proper repair or restore a fire rating by itself.
A cover that parks beside the panel
A cover may slide sideways and rest beside the panel. This can look unobtrusive, but the parked panel still needs a clear approach. Check that the cover does not narrow the required working-space width or obstruct a nearby route to the equipment.
If the cover or track projects into the panel’s face or dedicated space, get the AHJ’s view before installation. Do not assume that a parked position is harmless because the cover can move.
A shallow wall with limited track depth
In a narrow hall or tight wall return, a surface-mounted track may project into circulation space. Check for bumps, door conflicts, and any obstruction to the panel door. A design that looks flush in elevation can still interfere when viewed from the side.
If a safe, usable track position is not available, consider repairing and finishing the wall opening without a sliding cover. Concealment should not take priority over clear access.
Next step: Choose the design only after confirming that both the open and closed positions remain safe and practical.
Verify Access, Clearance, and Local Approval
A final check confirms that the cover hides the wall gap while leaving the panel ready for use. Test the whole assembly in place, not just on the workbench. Check local code and ask the AHJ about any overlap or unusual condition before closing the project.
Use this inspection list:
- The cover moves by hand and does not need a key or tool.
- The panel is still easy to identify and reach.
- The equipment door opens at least 90 degrees.
- The measured working space remains clear and usable.
- The track and cover do not attach to or alter the panel enclosure.
- The cover does not obstruct labels, vents, or panel operation.
- Fasteners are supported by suitable framing and clear of concealed services.
- Any rated wall assembly remains properly repaired and finished.
- The cover’s parked position does not create an obstruction.
- The local AHJ has reviewed the design if it overlaps the panel face or dedicated space.
Do not use a locked cover, a furniture-obstructed cover, or a fixed panel that must be removed with tools before someone can reach the electrical equipment. A manually sliding cover should move readily, but that alone does not establish code compliance. The panel’s required clearances and local approval remain the deciding factors.
The goal is simple: hide the rough opening without hiding the electrical function. If the cover cannot meet both needs, finish the wall opening in another way.
Next step: Photograph the completed installation and keep the panel location clear for everyone in the home.
Frequently Asked Questions
These short answers address common questions about sliding wall covers around electrical panels. They do not replace the locally adopted code, panel instructions, or an AHJ’s decision. If the cover overlaps the panel or its dedicated space, seek approval before installation.
Can I cover the electrical panel itself with a sliding cover?
This guide addresses covering the wall opening around the panel, not enclosing the panel behind another cover. Do not obstruct the panel enclosure, operating door, or required working space.
Does a sliding cover count as an obstruction?
It may, depending on its position and how it affects access or working space. Check the open and parked positions, and ask the AHJ if it overlaps the panel face or dedicated space.
How much clearance is required in front of a panel?
For equipment at 0–150 volts to ground, the NEC table specifies at least 3 feet of depth. For 151–600 volts, depth is 3, 3.5, or 4 feet depending on conditions. Confirm the applicable value locally.
How wide must the working space be?
At least 30 inches or the equipment width, whichever is greater. The required space does not have to be centered on the panel.
How high must the working space be?
At least 6.5 feet or the equipment height, whichever is greater.
Does the decorative slider have to open 90 degrees?
The NEC’s 90-degree requirement applies to the electrical equipment door or hinged panel. The decorative cover must still move enough to allow access and operation.
Can I attach the track to the electrical panel?
No. Anchor the track to suitable wall framing, not the panel enclosure. Check for concealed wiring and piping before drilling.
Does the cover need ventilation holes?
The NEC does not set a universal airflow or CFM requirement for this decorative cover. Do not cover panel vents, and follow equipment-specific instructions or ask an electrician if ventilation is a concern.
Can the cover be locked or require a tool to move?
Avoid a locked or tool-dependent cover. The panel should be readily accessible, and the cover should move by hand without furniture blocking it.
Do I need a permit or AHJ approval?
Requirements vary by location and by the project. Check with the local building or electrical authority, especially if the cover overlaps the panel face, its working space, or dedicated space.
(This article was written by one of our staff writers, Michael Donovan. Visit our Meet the Team page.)






