- What the PSE Certification Actually Is
- Who Issues It and How the Exam Works
- Eligibility: Education, Experience and Credit Rules
- Fees and Registration Mechanics
- The 25 Examination Topics, Grouped by Theme
- Why Open Book Changes How You Prepare
- Sequencing the 25 Topics Across Your Prep
- Who Hires Certified Product Safety Engineers
- Staying Certified: CPD and Annual Renewal
- Frequently Asked Questions
- PSE here means Product Safety Engineer, issued through Exemplar Global/iNARTE: a 50-question, four-hour, open-book exam with a 70% passing criterion.
- Eligibility is assessed against nine years of qualifying experience; an accredited four-year engineering degree credits four of them.
- Published Engineer fees are $50 application, $260 certification and $150 annual renewal; initial cost calculates to $310.
- The issuer publishes 25 unweighted Examination Topics, so study breadth rather than guessing a heavy domain.
What the PSE Certification Actually Is
The PSE certification is a professional credential for Product Safety Engineers: engineers who design, assess, test and document electrical and electronic products so they are safe to use, sell and maintain. In the issuer's own terminology it appears as the Product Safety (PS) Engineer certification. It is the full Engineer-level credential, not the Associate or Technician tier.
If you landed here searching for a definition, our explainers on what PSE certification is and what PSE stands for cover the naming, but the short version is this: the credential certifies that you can carry a product through hazard analysis, design, test and conformity documentation. It is not a general safety-management credential, and it is not tied to any other certification that happens to share the same three letters.
Who Issues It and How the Exam Works
The certification is offered through Exemplar Global's iNARTE program, with the topic list and eligibility rules published in the iNARTE Personnel Certification Catalog (Product Safety Engineer section) and logistics on the Exemplar Global Product Safety Engineer certification page. Exemplar Global administers the exam. Beyond that, details such as a separate worldwide testing vendor, a remote-proctoring platform or an adaptive question format are not verified in the public sources, so do not assume them.
| Exam Feature | What the Issuer Publishes |
|---|---|
| Format | Written exam, 50 multiple-choice questions |
| Time allowed | Four hours |
| Passing criterion | 70% average |
| Reference materials | Open book / open notes |
| Calculator | Scientific calculator allowed |
| Results | Within 10 working days |
| Retake wait | 90 days |
Four hours for 50 questions is roughly five minutes per item. That pace signals the style: these are not recall questions you answer in seconds. They reward candidates who can apply a standard, a clause or a calculation under realistic conditions. For a deeper look at the numbers behind the threshold, see our breakdown of the PSE passing score, and for a candid read on difficulty, how hard the PSE exam is.
Eligibility: Education, Experience and Credit Rules
Eligibility is where many candidates misread the credential. The catalog requires a STEM college or university transcript or diploma, a current resume, an ethics agreement, and qualifying engineering experience assessed against nine years. Education and teaching can be converted into experience credit:
- Four years of credit for an accredited four-year engineering qualification
- One year per satisfactorily completed accredited engineering year
- Two years for a BSET (bachelor of science in engineering technology)
- Up to one year for engineering postgraduate study
- Up to two years for qualifying teaching
- Combined education and teaching credit is capped at five years
Other curricula are evaluated individually. The issuer's Credly badge summarizes the requirement as a relevant four-year STEM degree or equivalent plus nine years of experience. Read that alongside the catalog's credit rules: the degree itself counts toward the nine years, so it does not mean nine additional years after graduation.
Fees and Registration Mechanics
The published Engineer fees are straightforward:
| Fee | Amount |
|---|---|
| Application | $50 |
| Certification | $260 |
| Annual renewal | $150 |
| Initial application plus certification (calculated) | $310 |
Two cautions. First, the $310 figure is simply $50 plus $260; it is not a separately quoted exam-only fee. Second, the sources show dollar amounts without explicitly labeling the currency, and no member versus non-member split is published, so avoid assuming either. Budget also for study materials and any training you choose. A fuller cost view is in our PSE certification cost breakdown.
The 25 Examination Topics, Grouped by Theme
The issuer publishes 25 Examination Topics. They are unweighted: there are no official percentages, no stated highest-weighted topic, and no dated exam-form identifier in the retrieved sources. They also describe what is examined, not a preparation curriculum. Grouping them by theme makes them far easier to study. For a topic-by-topic walkthrough, see our complete guide to all 25 PSE content areas.
Electrical Hazard Fundamentals
Connection to supply, Isolation of supply, Earthing, Protection against electrical shock
This cluster is the electrical backbone of product safety. Expect questions that ask how a product connects to mains, how it can be disconnected safely, and how earthing and protective measures prevent shock.
- Distinguish functional, protective and isolating roles of a supply connection
- Understand what makes an isolation means effective for servicing
- Know why earthing continuity matters and what a fault path must carry
- Connect shock protection to insulation, enclosure and accessibility concepts
Insulation and Spacing
Types of Insulation, Insulation damage, Creepage
Insulation topics reward precise vocabulary. Basic, supplementary and reinforced insulation are not interchangeable, and creepage is a distinct concept from clearance.
- Match insulation type to the protection level a design needs
- Reason about how wear, heat, moisture or mechanical stress can degrade insulation
- Apply creepage reasoning to working voltage, contamination and material considerations
Note that the global catalog supplies the topic wording as "Creepage." A regional notice from the Japanese program words some items differently, but that wording is not a substitute for the global catalog, and equivalence between regional and global exam forms is unverified.
Fire, Heat and Fuel
Resistance to fire, Fire hazards, Limits on fuel, Limits on heat
These four topics treat fire as a chain: ignition source, available fuel, heat accumulation and spread. Good answers trace the whole chain rather than a single link.
- Identify likely ignition sources in a product under normal and fault conditions
- Understand how limiting fuel and temperature interrupts the chain
- Know why material flammability behavior matters for enclosures and internal parts
Mechanical and Design Topics
Mechanical hazards, Inter system and intra system design, Equipment design
Not every hazard is electrical. Moving parts, sharp edges, stability and enclosure strength all fall under product safety, and design topics ask how systems interact safely within and between products.
- Recognize mechanical injury mechanisms (crushing, cutting, entanglement, instability)
- Consider interfaces: how one subsystem's fault affects another
- Link design decisions back to earlier hazard topics
Analysis and Process
Hazard analysis, Risk assessment, Design review
These topics test method. You should be able to identify hazards systematically, estimate risk, decide whether it is acceptable, and show that a design review actually closed the gaps.
- Separate hazard identification from risk evaluation
- Explain how mitigation changes severity or likelihood
- Understand what a credible design review records and verifies
Regulation, Testing and Documentation
Legislation US, EEC and International; Military and Civil Electrical Safety Standards; Safety tests; Assessment authorities; Competent Bodies; Safety certification; Declarations of Conformity; Operating and maintenance instructions and handbooks
The final cluster covers the compliance ecosystem: which laws apply in which market, who assesses conformity, what a test proves, and what must be documented for users and authorities.
- Distinguish roles of assessment authorities and competent bodies
- Know what a Declaration of Conformity asserts and who signs it
- Understand why instructions and handbooks are themselves safety measures
- Be comfortable moving between US, EEC and international frameworks
Why Open Book Changes How You Prepare
Because the exam is open book and open notes, memorizing clause numbers is a poor use of time. What the format cannot supply is judgment: knowing which standard applies, where in your reference material to look, and how to interpret a scenario quickly. Candidates who arrive with an unorganized pile of references often run short of the four hours. Those who arrive with tabbed, indexed notes organized by the 25 topics tend to use the time to think rather than search.
Key Takeaway
Build your reference set around the 25 topic names, with a one-page summary per cluster. Practice locating answers under time pressure using realistic practice questions, because speed of retrieval matters as much as understanding when every minute is available but not unlimited.
Our PSE cheat sheet offers a compact review of must-know facts you can adapt into your own tabbed notes.
Sequencing the 25 Topics Across Your Prep
Since the topics are unweighted, a sensible plan covers all of them and orders them by dependency: foundations first, process and compliance last. No mandatory preparation-hour total is published, so size the plan to your own background. A sample sequence:
Electrical foundations
- Connection to supply, Isolation of supply, Earthing
- Protection against electrical shock
Insulation and fire chain
- Types of Insulation, Insulation damage, Creepage
- Resistance to fire, Fire hazards, Limits on fuel, Limits on heat
Design and analysis
- Mechanical hazards, Equipment design, Inter system and intra system design
- Hazard analysis, Risk assessment, Design review
Compliance ecosystem and timed practice
- Legislation, standards, Safety tests, Competent Bodies, Declarations of Conformity, handbooks
- Full timed mock sessions with your open-book notes
The reasoning: insulation, fire and mechanical topics assume you already understand how a product connects to supply and where fault current flows, and the compliance topics make more sense once you have worked through hazard analysis. For a broader planning framework, our PSE study guide expands on pacing and review.
Who Hires Certified Product Safety Engineers
Product safety work appears wherever hardware is built or sold. Typical employers and engagements include:
- Electronics and appliance manufacturers that need in-house engineers to design to safety standards and manage certification
- Testing and certification laboratories that evaluate products against safety standards
- Medical, industrial and telecom equipment makers facing market-specific regulatory expectations
- Defense and aerospace suppliers, where military electrical safety standards matter
- Consultancies supporting Declarations of Conformity and technical documentation
The credential signals that you can speak the language of hazards, standards and conformity across these settings. Whether it pays off for you depends on your role and market; our PSE salary guide, PSE jobs overview and ROI analysis take that question further without relying on invented figures.
Staying Certified: CPD and Annual Renewal
Certification is not a one-time event. Renewal costs $150 annually, and each 12-month certification period requires 30 hours of continuing professional development (CPD), with evidence kept per the iNARTE CPD Log. Plan for this from day one: log training, standards updates, conference attendance and relevant projects as you go rather than reconstructing them at renewal time.
Frequently Asked Questions
It stands for Product Safety Engineer, issued through Exemplar Global/iNARTE, where the issuer's own wording is Product Safety (PS) Engineer. See What Is PSE? for more on the terminology.
The written exam has 50 multiple-choice questions and allows four hours. It is open book and open notes, and a scientific calculator is permitted.
The published criterion is a 70% average. Results are returned within 10 working days, and if you do not pass you must wait 90 days before retaking.
The issuer publishes them as unweighted Examination Topics, with no official percentages or stated highest-weighted topic. Prepare for all 25 rather than betting on a few.
Published Engineer fees are $50 application and $260 certification, which calculates to $310 initially, plus $150 annual renewal. Currency is not explicitly labeled and no member split is published; see the cost breakdown for context.