Hide Assets in Secure Concealment Units (RFID Locks)
An RFID-lockable valuables cabinet can keep small assets out of sight while adding controlled access, but safe installation starts with the room, not the lock. Check codes, clearances, wiring, and the product instructions before cutting or fastening. Then install approved hardware, test the RFID credential and backup access, and keep records of the work.
For a tight budget, the best value is not always the lowest cabinet price. A unit that needs new wiring, changes to a wall, or repeated repairs may cost more over time. Compare the full project: cabinet, lock, approved power source, anchorage, finish work, and any required trade or permit work.
I plan these installations around two goals: keep the cabinet discreet, and make sure it does not compromise the building or block a required route. The details depend on the specific lock, cabinet, location, and locally adopted rules. Treat this guide as a planning tool, not a substitute for code review or the manufacturer’s instructions.
Planning, Code Review & Site Survey
A site survey checks whether a cabinet can fit without hitting wiring, plumbing, structural members, or protected construction. It also identifies nearby electrical equipment and routes people need to use. Do this before ordering or cutting millwork; a careful survey can prevent costly changes later.
Start by confirming which code editions your local authority has adopted and whether your project needs a permit or inspection. Requirements vary by location and building type. Ask the local authority having jurisdiction (AHJ), meaning the agency that reviews and enforces local code, when the rules are unclear.
What to inspect before choosing a location
Check the wall, floor, and nearby services without drilling or cutting blindly. Use appropriate plans, detection tools, and qualified trades as needed. A detector can help locate services, but it does not prove that an area is clear.
Record:
- The cabinet’s outside dimensions, door swing, handle projection, and planned contents.
- Nearby electrical panels, outlets, plumbing, heating equipment, and structural members.
- Doorways, exit routes, accessible routes, and any fire- or smoke-rated walls.
- The lock’s required power source, cable route, environmental limits, and mounting instructions.
A “concealment unit” is a cabinet installed within or behind interior millwork so its contents are not in plain view. Concealment is not the same as a rated safe. Do not assume a cabinet resists fire, forced entry, or water unless the manufacturer documents that rating.
I use a simple rule during planning: if the installation depends on guessing what is behind a finished surface, pause and investigate before proceeding. Building on that, ask a qualified electrician or contractor to assess uncertain services or protected assemblies.
Access, Reach & Required Clearances
Access planning makes sure the cabinet can open and be used without blocking a required route or workspace. Check the whole space occupied by its door, handle, and contents, not just the cabinet’s outline. Where accessibility rules apply, the height and approach may also affect the location.
Where the 2010 ADA Standards apply, a common unobstructed forward or side reach range is 15 to 48 inches above the finished floor. This is not a universal placement rule: reach obstructions and specific conditions can change the permitted range. Confirm the applicable requirement for your project.
Check nearby electrical equipment
NEC 110.26 sets working-space requirements around covered electrical equipment. Common conditions typically call for at least 30 inches of width, or the equipment width if greater; 36 inches of depth; and 6 feet 6 inches of height. The required dimensions depend on voltage and conditions, so verify them for the installation.
Measure the required volume in front of the equipment. A cabinet door, projecting handle, or stored item can intrude into that space even when the cabinet itself appears to sit beside the panel. If the proposed location is close to the boundary, have a qualified electrician or the AHJ review it before installation.
Also confirm that the cabinet will not narrow an egress path, interfere with door operation, or cover required fire protection. Keep the plan simple: mark the cabinet’s full open position and compare it with the clearances that apply at the site.
Cabinet, Anchorage & RFID-Lock Installation
A RFID lock reads an authorized tag or card and releases a latch or other locking mechanism. The lock’s power needs, credential setup, mounting method, and backup access are product-specific. Choose the cabinet and lock as a matched installation, and follow each component’s documentation.
Compare usable interior space, door direction, anchorage points, and the lock’s stated limits before buying. Do not infer a safe shelf load or a suitable environment from appearance alone. Use the cabinet and lock manufacturers’ load limits and environmental requirements.
| Planning item | What to verify | Why it matters |
|---|---|---|
| Cabinet size | Outside dimensions, usable volume, and door swing | The unit must fit and open without blocking routes |
| Lock | Supported RFID credentials, power, override, and setup steps | Features vary by model |
| Power source | Exact type and rating specified by the manufacturer | An incompatible supply can damage equipment or affect its listing |
| Anchorage | Approved fasteners, mounting surface, and stated limits | The cabinet must be secured as designed |
| Interior use | Manufacturer’s load and environmental limits | Avoid unsupported assumptions about weight or heat |
Install the RFID lock, power supply, and related components according to their listing and instructions. NEC 110.3(B) requires listed or labeled equipment to be used in line with its instructions. Do not substitute an unapproved power supply or alter the lock’s wiring to make it fit.
A careful installation sequence
- Confirm the final location and clearances. Locate services and check the structure before fastening.
- Fit the cabinet using the manufacturer-approved anchorage for the intended mounting surface. Do not assume a fastener is suitable just because it fits the hole.
- Install the lock and power components as directed. Route cables as specified, protecting them from sharp edges and damage.
- If a cable passes through framing, account for nail and screw protection. Under NEC 300.4(A)(1), when a cable is closer than 1¼ inches to the framing-member edge, a steel plate at least 1⁄16 inch thick or equivalent approved protection is required.
- Test the lock, credential, latch, and any documented mechanical override before loading the cabinet.
Keep the RFID credential separate from any key or backup method. Ask how the system handles lost credentials, battery or power failure, and adding or removing users. Those answers should come from the product documentation, not assumptions about RFID systems as a whole.
Electrical, Fire-Protection & Operational Verification
Verification confirms that the completed installation still meets the project requirements and works as intended. Check clearances, anchorage, cable protection, fire or smoke barriers, and lock operation. Keep the product instructions and inspection records with the project details for future service.
Final checks before putting assets inside
Use a written checklist, then resolve any failure before use:
- Confirm the cabinet and lock match their installation instructions.
- Check that the cabinet, open door, handle, and contents do not enter required electrical working space or block egress.
- Inspect accessible routes and reach conditions where applicable.
- Confirm cables are protected and that no unapproved power component was installed.
- Restore any required fire- or smoke-rated protection disturbed by the work, using an approved method.
- Test each intended RFID credential and the documented backup method.
- Record the model numbers, power details, credential setup, anchorage method, and inspection outcome.
If the installation changes a rated wall or other protected assembly, do not simply cover the opening with trim. Confirm the approved restoration method for that assembly. If the scope or condition is uncertain, consult the AHJ or a qualified professional.
Two planning examples
The following are illustrative scenarios, not reports of verified projects. They show how the same checks can lead to different decisions.
Scenario 1: Millwork near an electrical panel. A homeowner proposes a shallow cabinet beside a panel. The cabinet body seems clear, but its open door would cross the panel’s working-space volume. The better next step is to choose another location or ask an electrician and the AHJ to assess the layout. The cabinet should not be installed until the clearance issue is resolved.
Scenario 2: Concealed cabinet in an office wall. A planner wants a valuables cabinet inside new millwork. Before framing is closed, the team checks for services, confirms the wall’s rating, and routes the lock cable as specified. They then verify anchorage, restore any required protection, and test RFID access and the backup method. The sequence avoids relying on blind drilling after the wall is finished.
The key takeaway is to verify the exact location and product requirements before installation. Concealment should never come at the cost of code-required access or protection.
Frequently Asked Questions
These answers cover common planning questions about RFID-locked cabinets. Exact requirements depend on the product, site, and local rules, so use them as a starting point and confirm details with the relevant instructions or authority.
Is an RFID-locked cabinet the same as a safe?
No. An RFID lock controls access, but it does not by itself provide a fire, burglary, or water-resistance rating. Check the cabinet’s documentation for any tested rating.
Can I install a cabinet beside an electrical panel?
Possibly, but the cabinet must not obstruct required working space. Check the full space in front of the equipment, including the cabinet door, handle, and stored contents.
How much space must remain in front of electrical equipment?
Common NEC 110.26 conditions typically require 30 inches of width, or the equipment width if greater; 36 inches of depth; and 6 feet 6 inches of height. Requirements vary with the equipment and conditions, so confirm the applicable rules.
What height should the RFID cabinet be?
There is no single height for every installation. Where 2010 ADA Standards apply, a common unobstructed reach range is 15 to 48 inches above the finished floor, subject to exceptions and obstruction rules.
Can I use any power supply with the lock?
No. Use the power source and components specified by the lock manufacturer. Listed or labeled equipment must be installed in accordance with its instructions.
How do I protect a cable near a framing edge?
Under NEC 300.4(A)(1), a cable closer than 1¼ inches to a framing-member edge needs a steel plate at least 1⁄16 inch thick or equivalent approved protection. Confirm the conditions and method for your installation.
What should I check if RFID access stops working?
Follow the product’s troubleshooting steps. Check the documented power source, credential setup, and latch operation, then use the approved backup method. Do not bypass or modify the lock unless the manufacturer directs it.
Should I install the cabinet before checking for wires?
No. Survey for wiring, plumbing, structure, and rated construction before cutting or fastening. If the location is uncertain, stop and ask a qualified professional to check it.
(This article was written by one of our staff writers, Andrew Fairchild. Visit our Meet the Team page.)
