- How the Electrified Hardware Consultant Exam Is Organized
- Domain 1: Advanced Mechanical and Electrified Hardware Product
- Domain 2: Code Application and Electronic Access Control
- Domain 3: Fire, Life Safety, Accessibility, and Building Codes
- Domain 4: Architectural Door Openings and Security Needs
- Format, Fees, and Proctoring Mechanics
- Comparing the Four Content Areas
- Sequencing Your Prep Around the Domains
- Where the Credential Gets Used
- Frequently Asked Questions
- The Door and Hardware Institute (DHI) publishes four examination competency statements for the Electrified Hardware Consultant (EHC) credential, with no...
- The full EHC examination is described as eight hours, paper and pencil, mixing short-answer, long-answer, and multiple-choice sections.
- Exam fee is USD 550 for DHI members or USD 850 for nonmembers; a retake costs USD 300.
- No prerequisites apply, but DHI recommends courses EHC403, EHC413, and EHC423 before sitting the exam.
How the Electrified Hardware Consultant Exam Is Organized
The Electrified Hardware Consultant credential is issued by the Door and Hardware Institute (DHI) and sits at the specialist end of the openings industry. Unlike entry-level hardware credentials, it assumes you can already read a door schedule and understand how a hardware set functions. What it tests is whether you can specify, coordinate, and troubleshoot electrified openings, where mechanical hardware, low-voltage power, access control, and life-safety code all collide at a single door.
DHI frames the examination around four competency statements. This guide reproduces them as the four content areas and walks through what each one demands in practice. If you are still sorting out what the credential is, start with What Is EHC Certification? and then return here for the domain-level detail.
It is also worth being clear about what the four areas are and are not. They are DHI's stated competencies, not an exhaustive question-by-question blueprint. DHI's course catalog entries for EHC403, EHC413, EHC423, and EHC490 describe preparation topics that cut across the four areas, so expect questions to blend them. A single scenario about a stairwell door, for example, can touch product selection, access control, fire code, and security intent at once.
Domain 1: Advanced Mechanical and Electrified Hardware Product
Advanced mechanical and electrified hardware product
This is the product-knowledge domain. You must know what each category of hardware does, how it is powered or released, and how it behaves when power is lost or a fire alarm activates.
- Electrified locking: electric strikes, electromagnetic locks, electrified mortise and cylindrical locks, and electrified exit devices
- Fail-safe versus fail-secure behavior and when each is appropriate
- Door position switches, request-to-exit devices, and other monitoring components
- Power transfer: electrified hinges, power transfer devices, and concealed wiring pathways through the door and frame
- Automatic operators and electrified closers or holders that release on alarm
Candidates often underestimate how much of this domain is about coordination rather than recall. Knowing that an electric strike exists is table stakes. Knowing which strike suits a given latch, door thickness, fire rating, and fail mode is the consultant-level skill. The advanced mechanical wording in this domain's name is a reminder that your base hardware knowledge, including hinges, closers, locksets, and exit devices, still gets tested alongside the electrified items.
Product knowledge that shows up in scenarios
Expect questions that start from a described opening and ask you to choose or correct a hardware component. When you review a product category, rehearse three questions: how does it operate normally, how does it fail, and what does it require from the frame, the door, and the power supply? If you can answer all three for each device on the list above, you are covering the ground this domain is built around.
Domain 2: Code Application and Electronic Access Control
Code application knowledge with an understanding of electronic access control systems
This domain joins two skills: applying code requirements correctly and understanding how electronic access control (EAC) systems drive the hardware you specify.
- How readers, controllers, power supplies, and locking hardware fit together in an access-control system
- Low-voltage circuitry basics: voltage, current draw, wire gauge, and power-supply sizing
- Interfacing access control with fire alarm systems so locks release as required
- Reading riser diagrams and wiring details on electrified hardware drawings
- Troubleshooting: isolating whether a failure is mechanical, electrical, or a control or integration fault
This is where many hardware specialists feel the stretch, because it pulls in electrical thinking. You do not need to become an electrician, but you do need fluency in how a signal travels from a credential read, through a controller, to a lock that physically releases. DHI's published preparation topics explicitly include access-control integration and low-voltage circuitry, which tells you the exam expects working knowledge, not vocabulary alone.
Domain 3: Fire, Life Safety, Accessibility, and Building Codes
Understanding fire, life safety, accessibility, and building code requirements
This domain covers the regulatory framework that constrains every electrified opening. Hardware that works perfectly but violates egress or accessibility rules is a failure.
- Means-of-egress requirements: free egress, releasing hardware, and delayed-egress or controlled-egress arrangements
- Fire-rated openings: labeled assemblies, positive latching, and how electrified hardware affects a rating
- Accessibility: operating force, clearances, hardware height and operability, and automatic operator considerations
- Life-safety interaction: what must happen to locks on fire alarm activation or power loss
- Locating and applying the relevant model-code and standards provisions to a described opening
One caution: DHI's course materials cite historical code editions, and those citations do not identify a current exam version. Do not assume a specific code edition is the one the exam uses. When you study, focus on understanding the intent and structure of the requirements, such as why egress must remain free and why fire-rated doors must latch, so your answers hold up regardless of edition, and confirm any edition-specific details with DHI.
Key Takeaway
Treat every electrified opening as a three-way negotiation between security, egress, and accessibility. When a scenario seems to force a trade-off, the code-compliant answer almost always protects life safety and free egress first, then layers security on top within what the code allows.
Domain 4: Architectural Door Openings and Security Needs
Understanding of architectural door openings and security needs
The final domain moves from components to the opening as a whole and the real-world purpose it serves.
- Door, frame, and wall conditions that affect hardware preparation and wiring pathways
- Interpreting architectural drawings, door schedules, and hardware sets for electrified openings
- Matching hardware and access-control strategy to a building's security intent
- Writing and reviewing specifications and shop-drawing details for electrified hardware
- Coordinating with architects, electricians, security integrators, and installers
This domain rewards candidates with field and submittal experience. DHI's preparation topics list shop-drawing exercises and specification writing, both of which are about turning a security requirement into a buildable, coordinated opening. A good mental exercise is to take any opening and describe, in order, who needs to do what: the door supplier preps the leaf, the frame supplier prepares for wiring, the electrician pulls low-voltage cable, and the integrator programs the controller. Gaps in that chain are where projects go wrong, and where exam scenarios like to probe.
Format, Fees, and Proctoring Mechanics
Understanding the four content areas is half the job. The other half is knowing how DHI actually delivers the examination, because the logistics have more moving parts than most credentials.
| Item | What DHI publishes |
|---|---|
| Full exam length | Eight hours, paper and pencil |
| Question styles | Short-answer, long-answer, and multiple-choice sections |
| Exam fee | USD 550 (members) or USD 850 (nonmembers) |
| Retake fee | USD 300 |
| Prerequisites | None required; EHC403, EHC413, and EHC423 recommended |
| Paper-exam proctor | You arrange an EHC-certified proctor |
| Renewal | 30 CEP points every three years, at least 24 technical; USD 175 (members) or USD 210 (nonmembers) for one credential |
The proctoring rules that trip candidates up
For the paper examination, you are responsible for lining up a proctor. DHI's Certification Policies require that proctor to hold the same certification, and they prohibit proctoring a family member or someone employed by the same company, division, or branch. Staff proctoring at National and Micro Schools is the stated exception. Start looking for an eligible proctor early, since the pool of certified consultants in any one region can be small.
DHI does not publish a verified question count, a multiple-choice-only timer, a passing score, or a pass-rate statistic for this credential. That is why our guides on the EHC passing score and the EHC pass rate stay qualitative rather than quoting numbers. For the complete money picture, including exam, retake, and renewal costs, see EHC Certification Cost 2026, and for scheduling specifics see EHC Exam Dates 2026.
Comparing the Four Content Areas
Because the domains overlap, it helps to see what each one primarily asks of you and what background tends to make it easier.
| Domain | Core skill tested | Background that helps |
|---|---|---|
| 1. Advanced mechanical and electrified hardware product | Selecting and understanding devices and their failure modes | Hardware supply, product training |
| 2. Code application with electronic access control | Integration, low-voltage reasoning, troubleshooting | Security integration, electrical exposure |
| 3. Fire, life safety, accessibility, and building codes | Applying egress, fire, and accessibility rules to openings | Code consulting, plan review |
| 4. Architectural door openings and security needs | Opening-level coordination, drawings, specifications | Detailing, specifying, project coordination |
Most candidates arrive strong in one or two columns and weak in the others. Hardware distributors usually lead with Domain 1, integrators with Domain 2, and architectural specifiers with Domains 3 and 4. Be honest about which describes you, because the exam does not let a strength in one area fully cover a gap in another. Our difficulty guide discusses how this uneven background shapes the experience.
Sequencing Your Prep Around the Domains
Rather than a generic schedule, sequence your study by dependency. Code requirements (Domain 3) constrain product choices (Domain 1), and access-control logic (Domain 2) feeds the opening-level decisions (Domain 4). A sensible order puts your weakest foundation first. The timeline below assumes you are short on electrical knowledge, which is the most common gap.
Low-voltage and access-control foundations (Domain 2)
- Voltage, current, wire sizing, and power-supply basics
- How readers, controllers, and locks communicate
- Fail-safe versus fail-secure logic
Product and code (Domains 1 and 3)
- Electrified locking, exit devices, and power transfer
- Egress, fire-rated opening, and accessibility rules
- Fire-alarm release behavior
Openings, drawings, and specifications (Domain 4)
- Shop-drawing and riser-diagram reading exercises
- Specification writing for electrified hardware
- Full mixed-scenario practice and written long-answer drafts
Because the real exam includes short-answer and long-answer sections, practice writing your reasoning, not just recognizing the right option. If you want a fuller plan with resource guidance, see our EHC study guide, and keep our EHC cheat sheet handy for last-week review. When you are ready to test yourself under realistic conditions, our practice tests let you drill scenario-style questions across all four areas.
Where the Credential Gets Used
The skills in these four areas map onto a recognizable set of roles. Door and hardware distributors and suppliers use consultants to write and review hardware sets and to support architects. Security integrators and access-control firms use the knowledge to coordinate locks with controllers and fire systems. Architectural and specification firms rely on consultants to ensure electrified openings are coded and detailed correctly. Facility owners and large institutions sometimes use credentialed consultants to review submittals or to troubleshoot problem openings.
Because DHI has not published salary or hiring statistics for this credential, we avoid quoting earnings figures here. For a qualitative view of how the credential factors into compensation and career paths, see our EHC salary guide, our overview of EHC jobs, and the broader worth-it analysis. If you are mapping eligibility, EHC Requirements 2026 covers the no-prerequisite rule and DHI's recommended courses.
Key Takeaway
The four content areas are best studied as a connected system, not four silos. Practice scenarios that force you to pick a device, justify it under code, confirm it integrates with access control, and place it correctly in a door opening. That chain is the consultant's real job and the exam's real test.
Frequently Asked Questions
DHI's published examination competency statements form four content areas: advanced mechanical and electrified hardware product; code application with electronic access control; fire, life safety, accessibility, and building codes; and architectural door openings and security needs. DHI does not publish percentage weights for them.
No. DHI describes the full examination as eight hours, paper and pencil, with short-answer, long-answer, and multiple-choice sections. A multiple-choice component may be delivered through an online proctored platform, so confirm delivery details with DHI when scheduling.
DHI lists no prerequisites to apply. It does recommend EHC403, EHC413, and EHC423 as preparation. Those courses cover electrified hardware drawings, access-control integration, low-voltage circuitry, troubleshooting, and specification writing, but they are not an official exam blueprint.
The published exam fee is USD 550 for DHI members or USD 850 for nonmembers, and a retake is USD 300. DHI's pages differ on permitted retake counts, so confirm how many attempts you have before scheduling.
Renewal requires 30 continuing education program points every three years, including at least 24 technical points. Renewing one credential costs USD 175 for members or USD 210 for nonmembers, according to DHI's Continuing Education Program page.