Electrical Journeyman • PSI • 100 Questions • 270 Minutes • 75 Correct to Pass • Open Book
Planning to become a licensed Journeyman Electrician in Idaho? This Idaho Journeyman Electrician Contractor Exam Prep guide explains the state licensing process, electrical experience requirements, approved National Electrical Code references, official PSI test subjects, electrical calculations, and study resources available through Contractor Exam Preps.
Idaho's individual journeyman-level license is called Electrical Journeyman.
This credential is regulated through the Idaho Electrical Board and the Idaho Division of Occupational and Professional Licenses, commonly known as DOPL.
Journeyman electricians perform electrical installation work involving conductors, branch circuits, feeders, services, panelboards, motors, transformers, lighting, grounding systems, and related equipment.
The licensing process recognizes the knowledge and experience needed to work safely with electrical systems.
It also establishes a professional pathway for electricians who want to advance from apprenticeship to journeyman status and eventually pursue a Master Electrician credential.
Idaho currently offers two major experience pathways for initial Electrical Journeyman licensure.
The traditional apprenticeship pathway involves four years of approved electrical apprenticeship schooling and 8,000 hours of supervised electrical installation work.
The applicant must have maintained the required active Idaho Electrical Apprentice registration while completing qualifying in-state hours.
The second pathway involves 16,000 hours of qualifying supervised electrical installation work.
Both pathways require appropriate documentation.
Idaho also provides a pathway for certain electricians already licensed in other jurisdictions, subject to the state's license verification and recognition requirements.
It is important to keep a record of work hours, dates, employers, supervisors, training programs, and license status.
Those records may be required when submitting the official Electrical Journeyman application.
After meeting the eligibility requirements, applicants take the required examination through PSI.
Idaho's Electrical Journeyman application identifies the applicable NASCLA examination administered through PSI for initial applicants.
According to the current Idaho PSI Candidate Information Bulletin, the Journeyman Electrician examination contains 100 questions.
Candidates have 270 minutes, or four hours and thirty minutes, to complete the test.
The minimum passing score is 75 correct answers.
This examination is open book.
That sounds comfortable until the exam clock starts and your electrical codebook suddenly seems to have a thousand hiding places.
Successful open-book preparation requires knowing where electrical rules are located and how to apply them accurately.
The testing center does not provide a personal NEC codebook for the candidate.
Applicants must bring approved reference materials that meet the current PSI rules.
For the Idaho Journeyman Electrician exam, the current PSI bulletin allows the 2020 or 2023 National Electrical Code or the corresponding 2020 or 2023 NEC Handbook.
Other permitted supporting references include Ugly's Electrical References and optional NEC indexes listed in the bulletin.
The latest published Idaho adopted electrical construction code is the 2023 NEC with Idaho amendments.
These facts are important because several current Idaho study packages offered by Contractor Exam Preps are based on the 2026 NEC.
Those newer products are useful for broad electrical education, calculation practice, flash-card review, and learning current NEC concepts.
However, the 2026 NEC is not listed among the approved code editions in the current Idaho PSI Journeyman examination bulletin.
A candidate should not assume that a 2026 codebook will be admitted to the testing room.
For examination-specific preparation, practice with one of the permitted 2020 or 2023 editions.
For learning newer rules and current industry concepts, 2026 NEC study materials can provide additional value outside the test center.
The official Idaho Journeyman Electrician examination includes seven major subject categories.
The largest is Wiring and Protection, with 25 questions.
Wiring Methods and Materials and Equipment for General Use contain 19 questions each.
General Electrical Knowledge contains 13 questions.
Special Occupancies accounts for 12 questions.
Special Equipment and Special Conditions each contain six questions.
These seven categories total 100 scored questions.
They represent a broad examination of electrical knowledge rather than a narrow test about one type of wiring installation.
For example, candidates may need to understand conductor ampacity, overcurrent protection, branch-circuit requirements, service installations, raceway fill, box fill, grounding, bonding, motors, transformers, and special equipment.
Electrical mathematics is particularly important.
Some questions require the use of Ohm's law or electrical power formulas.
Other questions involve conductor sizing, service load calculations, motor circuits, equipment protection, voltage drop, or the application of NEC tables.
Knowing the appropriate formula is helpful, but the candidate must also recognize the correct NEC rule.
That combination of code navigation and calculation is what makes focused practice valuable.
Contractor Exam Preps offers the 2026 Idaho Journeyman Electrician Super Combo.
This package contains an Idaho Journeyman Electrician Study Guide, an Electrician Calculations Study Guide, a 2026 NEC paperback with tabs, and Journeyman Electrician Flash Cards.
Another option is the Idaho Journeyman Electrician Study Guide and NEC Combo.
This smaller package focuses on the Idaho study guide and a tabbed 2026 NEC.
Candidates who want additional math practice can consider the Idaho Journeyman Electrician and Calculations Book Combo.
The store also offers a 2026 Idaho Journeyman Electrician Ultimate Combo, which adds online practice and course access.
Remember that a study package is not a substitute for the actual licensing requirements.
The Idaho Electrical Board determines whether the applicant qualifies for the license.
The candidate must also meet the applicable examination requirements and complete the state application process.
Another important point is that a Journeyman Electrician license is not the same as an Electrical Contractor license.
Idaho licenses electrical contracting businesses separately.
A journeyman credential qualifies an individual for electrical work within the applicable state rules, but it does not automatically authorize independent electrical contracting as a business.
The separate Electrical Contractor examination focuses on contractor-related requirements and business-and-law content.
This guide explains Idaho licensing pathways, PSI test details, approved NEC references, official topic weighting, codebook preparation, electrical calculations, six-week study strategies, actual Contractor Exam Preps products, interactive FAQs, and a related 1ExamPrep instructional video.
Important Idaho Journeyman Electrician 2026 Update: The current official PSI bulletin lists 100 questions, 270 minutes, and 75 correct answers required to pass. The examination is open book and allows the 2020 or 2023 NEC, or the corresponding NEC Handbook editions. Candidates must bring their own approved references. Idaho's published adopted electrical code is the 2023 NEC with amendments. Contractor Exam Preps offers 2026 NEC-based study packages, but these are newer educational resources, not approved 2026 codebooks for the current examination. Some older commercial descriptions list a four-hour test and 70% passing, so applicants should use the official PSI bulletin instead. Idaho DOPL has also announced electrical licensing renewal-cycle changes beginning October 30, 2026. Check your personal renewal notice for the correct term and deadline.
An Idaho Journeyman Electrician is an individual electrical tradesperson who has met the state's qualifying experience, education or alternative experience requirements, and examination standards.
Journeyman electricians install, alter, maintain, and repair electrical wiring and equipment within the authority granted by Idaho law.
Electrical work involves much more than connecting wires.
An electrician must understand circuits, electrical loads, conductor ampacity, grounding, bonding, equipment ratings, and safe installation methods.
Consider an ordinary commercial building.
Power arrives through service equipment and is distributed to electrical panels.
Feeders carry power to downstream panels or other electrical distribution equipment.
Branch circuits supply lighting, receptacles, motors, and connected devices.
Overcurrent protective devices help protect conductors and electrical equipment from excessive current.
Grounding and bonding establish important electrical safety connections and effective fault-current paths.
Every part of the installation must be properly selected for its intended use.
A conductor might appear large enough to handle the connected load, but other conditions can affect its allowable ampacity.
Temperature limitations and conductor adjustment factors may change the permitted result.
An equipment installation might require an appropriate disconnecting means.
A motor circuit may use different sizing and protection rules than an ordinary lighting branch circuit.
An electrical service may require a carefully calculated load before the equipment is selected.
These are examples of the technical judgment involved in journeyman-level electrical work.
Idaho's licensing system helps ensure that workers have gained practical experience and understand applicable electrical code requirements.
The National Electrical Code provides many of the installation rules used in the profession.
Idaho currently adopts the 2023 NEC with state amendments, according to its published adopted-code document.
For licensing examination purposes, the current PSI bulletin permits both the 2020 and 2023 NEC editions.
Exam candidates therefore need to distinguish between their exam preparation references and newer retail codebooks.
Electrical apprenticeship provides a structured route to this knowledge.
The Idaho apprenticeship pathway includes four years of approved schooling along with 8,000 hours of supervised electrical installation experience.
There is also an experience-based qualification route involving 16,000 supervised hours.
Qualifying work must be documented correctly.
Work in appliance repair, motor winding, or communications does not automatically count toward the standard Journeyman Electrician work requirement.
Licensed electricians may advance further after gaining additional qualifying experience.
Idaho also recognizes Master Electrician and Electrical Contractor classifications.
Those licenses involve different responsibilities and requirements.
An individual who wants to independently operate an electrical contracting business should not assume that journeyman status alone provides the necessary business authority.
Official Idaho credential: Electrical Journeyman.
Licensing authority: Idaho Electrical Board and DOPL.
Exam administrator: PSI.
Current construction code: 2023 NEC with Idaho amendments.
Independent contracting: Separate Electrical Contractor licensing.
Visit the Idaho Electrical Board for licensing information and official state updates.
Idaho offers approved apprenticeship, work-experience, and qualifying out-of-state licensing pathways.
| Step | Requirement | What to Prepare |
|---|---|---|
| Choose License | Electrical Journeyman | Confirm the individual license matches your intended electrical work. |
| Identify Board | Idaho Electrical Board | Read the current state requirements. |
| Traditional Path | Four-Year Approved Apprenticeship | Complete an approved electrical apprenticeship schooling program. |
| Traditional Work Hours | 8,000 Hours | Document supervised electrical installation work. |
| Apprentice Registration | Active Registration | Maintain the required registration while earning in-state hours. |
| Alternative Path | 16,000 Supervised Hours | Submit work verification under the experience-based route. |
| Experience Verification | Official Forms | Collect employer and supervisor documentation. |
| Excluded Experience | Trade Restrictions | Do not count appliance repair, motor winding, or communication work where excluded. |
| Out-of-State License | Verification | Provide official proof of license status, qualifying experience, and examinations. |
| Exam Registration | PSI | Register for the correct Idaho/NASCLA Journeyman Electrician examination. |
| Exam Questions | 100 | Study the seven official topic categories. |
| Exam Time | 270 Minutes | Practice with a 4.5-hour test simulation. |
| Passing Requirement | 75 Correct | Target at least 75 correct answers. |
| Open Book | Yes | Bring the approved NEC and other permitted references. |
| NEC Reference | 2020 or 2023 | Use an edition listed by PSI. |
| NEC Handbook | 2020 or 2023 | Check the bulletin for permitted alternatives. |
| Reference Preparation | Permanent Tabs | Prepare permitted reference indexing before the exam. |
| Temporary Notes | Prohibited | Do not bring loose sheets or temporary markers. |
| Electrical Calculations | Trade Knowledge | Practice load calculations, conductor sizing, and NEC tables. |
| Complete Exam | PSI Passing Report | Keep proof of the passing score. |
| Apply for License | Idaho DOPL | Submit the appropriate licensing application after passing. |
| Maintain License | Renewal Rules | Review the October 30, 2026 renewal-cycle transition and your assigned deadline. |
| Future Advancement | Master Electrician | Review the separate experience and examination standards. |
| Business Licensing | Electrical Contractor | Meet separate contractor business requirements before contracting independently. |
The current Idaho PSI bulletin identifies the following Journeyman Electrician examination format and technical subject distribution.
| Exam Detail | Category | Official Information |
|---|---|---|
| Official Exam | PSI | ID Journeyman Electrician Exam |
| License | State | Electrical Journeyman |
| Licensing Agency | DOPL | Idaho Division of Occupational and Professional Licenses |
| Board | State | Idaho Electrical Board |
| Testing Provider | PSI | PSI Services |
| Examination Pathway | PSI | Applicable NASCLA examination through PSI |
| Format | PSI | Computer-Based Multiple Choice |
| Scored Questions | PSI | 100 |
| Time Limit | PSI | 270 Minutes |
| Passing Score | PSI | 75 Correct Answers |
| Passing Percentage | PSI | 75% |
| Open Book | PSI | Yes |
| NEC Option One | Reference | 2020 National Electrical Code |
| NEC Option Two | Reference | 2023 National Electrical Code |
| NEC Handbook | Reference | 2020 or 2023 Edition Alternative |
| Ugly's Electrical References | Reference | Permitted per PSI Bulletin |
| Ferm's Fast Finder Index | Optional | 2020 or 2023 Edition |
| Tom Henry's Key Word Index | Optional | 2020 or 2023 Edition |
| Books Supplied by PSI | Testing | No, Candidates Bring Approved References |
| Permanent Indexing | Testing | Permitted Before Exam |
| Pre-Exam Highlighting | Testing | Permitted |
| Temporary Tabs and Papers | Testing | Not Permitted |
| Silent Nonprogrammable Calculator | Testing | Permitted Under PSI Rules |
| General Electrical Knowledge | Blueprint | 13 Questions |
| Wiring and Protection | Blueprint | 25 Questions |
| Wiring Methods and Materials | Blueprint | 19 Questions |
| Equipment for General Use | Blueprint | 19 Questions |
| Special Occupancies | Blueprint | 12 Questions |
| Special Equipment | Blueprint | 6 Questions |
| Special Conditions | Blueprint | 6 Questions |
| Total Technical Categories | Blueprint | Seven |
| Current Adopted Idaho Code | Construction | 2023 NEC with Idaho Amendments |
| Current Retail Study Code | Books | 2026 NEC |
| Approved Apprentice Path | Licensing | Four Years of Approved Schooling and 8,000 Work Hours |
| Alternative Experience Path | Licensing | 16,000 Qualifying Work Hours |
| Exam Registration | Testing | PSI Idaho Trade Examinations |
| License Application | Licensing | After Passing Required Exam |
| Current Listed Journeyman License Term | Licensing | Three Years, Subject to DOPL Transition Updates |
| October 2026 Licensing Announcement | DOPL | Renewal-Cycle Changes Beginning October 30, 2026 |
| Separate Electrical Contractor Exam | Business | 100 Questions, 240 Minutes, 70 Correct Required |
Official Journeyman Exam: 100 questions.
Duration: 270 minutes, or four and a half hours.
Passing: 75 correct answers.
Approved NEC: 2020 or 2023, including listed handbook alternatives.
Current construction code: 2023 NEC with Idaho amendments.
2026 NEC packages: Supplemental study materials, not currently approved as the exam-room NEC edition.
The current Idaho PSI examination blueprint contains seven categories totaling 100 scored questions.
Study electrical theory, calculations, definitions, electrical quantities, circuits, measurements, and common electrical principles.
Important concepts include voltage, current, resistance, power, energy, and the relationship among these quantities.
Practice Ohm's law and basic electrical power formulas.
Understand the difference between series and parallel circuits.
Review common units and equipment terminology.
This is the largest category in the Idaho Journeyman Electrician examination.
Study branch circuits, feeders, services, overcurrent protection, grounding, bonding, and conductor requirements.
Learn how the NEC addresses service installations, feeder sizing, branch-circuit protection, circuit breakers, fuses, and disconnecting means.
Practice identifying when a conductor, circuit, or piece of equipment requires a particular protective device.
Review electrical load calculations and applicable NEC tables.
Study raceways, cables, conductors, fittings, boxes, enclosures, and common installation methods.
Review conduit fill, box fill, support requirements, wiring methods, and conductor insulation.
Learn to recognize where particular cable or raceway methods may be used.
Practice locating NEC Chapter 9 tables and wiring-method rules.
This category covers electrical equipment used in many ordinary installations.
Study motors, transformers, lighting equipment, appliances, heating equipment, generators, and related devices.
Review motor circuits, controllers, overload protection, equipment disconnects, and transformer relationships.
Learn how equipment ratings affect electrical installation requirements.
Study electrical requirements that apply to particular building types or installation environments.
These may include hazardous locations, healthcare facilities, recreational vehicle parks, agricultural buildings, and other occupancies with specialized code provisions.
Learn when a general wiring rule must be supplemented by additional occupancy requirements.
Review special electrical equipment and systems addressed by the NEC.
Topics may include electrical signs, elevators, electric vehicle charging equipment, photovoltaic systems, and other special equipment types.
Focus on the correct code section and the installation conditions described by the question.
Study electrical installations that operate under special circumstances.
Examples may involve emergency systems, standby systems, and other conditions addressed by the NEC.
Learn the difference between ordinary distribution systems and electrical systems with additional reliability or safety requirements.
Largest category: Wiring and Protection, 25 questions.
Second-largest: Wiring Methods and Materials, 19 questions.
Third-largest: Equipment for General Use, 19 questions.
Combined: 63 of 100 scored questions.
Complete official blueprint: Seven categories and 100 questions.
The best place to begin is the official PSI examination outline.
It lists seven categories and tells candidates how much attention each subject receives.
Wiring and Protection contains 25 questions.
Wiring Methods and Materials and Equipment for General Use contain 19 questions each.
These three categories represent 63% of the exam.
That makes them important study priorities.
However, the remaining categories also matter because a candidate needs 75 correct answers to pass.
Start by reviewing basic electrical theory.
Practice voltage, current, resistance, and electrical power calculations.
Learn how to identify the known quantities in a problem and select the correct formula.
Then study how the NEC is organized.
Article 100 contains definitions.
The chapters addressing wiring and protection cover many important requirements for branch circuits, feeders, services, grounding, bonding, and overcurrent protection.
Wiring methods and material provisions address conductors, raceways, boxes, and related equipment.
Equipment provisions cover motors, transformers, lighting, appliances, and other commonly used devices.
Electrical Theory: Voltage, current, resistance, power, and circuit relationships.
Wiring and Protection: Services, feeders, branch circuits, grounding, bonding, and overcurrent devices.
Wiring Methods: Conductors, raceways, cable systems, enclosures, and boxes.
Equipment: Motors, transformers, lighting, appliances, and disconnects.
Special Occupancies: Locations requiring additional NEC provisions.
Special Equipment: Equipment with special installation rules.
Special Conditions: Emergency, standby, and related systems.
Next, practice using the correct examination references.
The current PSI bulletin allows the 2020 or 2023 NEC, or the corresponding handbook edition.
Idaho's adopted construction code is based on the 2023 NEC with amendments.
For that reason, studying the 2023 NEC is a practical way to connect examination preparation with the state's current published electrical code.
Practice finding rules by article number, subject, table heading, and index term.
Permanent indexing is permitted by the current exam rules, but temporary loose markers are not.
Prepare your permitted references before test day.
Study calculations regularly instead of saving every math problem for the final week.
Practice conductor ampacity, circuit loads, service and feeder calculations, voltage drop, box fill, raceway fill, and motor circuits.
Write out your calculations clearly.
When you reach an answer, confirm its units and make sure it matches what the question asks.
For example, a question may ask for a minimum conductor size rather than a calculated load.
Those are related results, but they are not the same answer.
The Idaho Journeyman Electrician and Calculations Combo includes a dedicated calculations guide.
The Idaho Super Combo also provides flash cards for repeated review.
Because these products use the 2026 NEC, verify examination-specific answers against the permitted 2020 or 2023 code.
Finish each week with timed practice questions and a review of every incorrect answer.
Understanding how a service, panelboard, protective devices, and branch circuits work together is useful preparation for Idaho's Wiring and Protection category.
Simplified educational electrical diagram. Not an installation plan or engineering drawing.
Follow these eight steps to organize the path from electrical apprenticeship to professional licensing.
Review Idaho Electrical Board requirements and verify that you are preparing for the individual Journeyman Electrician classification.
Complete four years of approved apprenticeship schooling and 8,000 supervised hours, or qualify through the 16,000-hour experience route.
Keep apprentice registration records, school completion documents, employer verification, and accurate supervised work-hour records.
Confirm the 100-question exam, 270-minute time limit, 75-correct passing requirement, and approved 2020 or 2023 NEC references.
Use permitted codebooks, permanent tabs, and approved indexes. Do not bring temporary papers or unauthorized references.
Review the seven subject categories, practice NEC navigation, and complete timed calculation problems.
Answer at least 75 of the 100 scored questions correctly during the 270-minute examination.
Submit the application and documentation to DOPL, then follow the latest renewal rules and consider future Master Electrician advancement.
The following percentages come from the seven-category, 100-question Idaho PSI Journeyman Electrician blueprint.
Official total: 100 questions.
Largest category: Wiring and Protection, 25%.
Top three categories: 63% combined.
Passing score: 75 correct answers.
Study recommendation: Give the largest categories extra time while reviewing all seven subjects.
Idaho's current PSI Journeyman Electrician examination permits specific NEC editions and supporting electrical reference materials.
It is important to understand which books may enter the exam room and which should remain part of your home study collection.
| Reference or Study Material | Edition | Purpose |
|---|---|---|
| National Electrical Code | 2020 | Approved primary examination reference option. |
| National Electrical Code | 2023 | Approved primary examination reference option and current adopted Idaho code basis. |
| National Electrical Code Handbook | 2020 or 2023 | Approved alternative to the standard NEC edition listed in the PSI bulletin. |
| Ugly's Electrical References | Permitted Edition per PSI | Electrical formulas, units, tables, and trade reference information. |
| Ferm's Fast Finder Index | 2020 or 2023 | Optional NEC navigation aid. |
| Tom Henry's Key Word Index | 2020 or 2023 | Optional keyword-based NEC navigation aid. |
| Idaho Journeyman Electrician Study Guide | 2026 NEC Based | Supplemental trade knowledge and electrical exam preparation. |
| Electrician Calculations Study Guide | 2026 NEC Based | Electrical mathematics, load calculations, conductor sizing, and motor review. |
| 2026 NEC Paperback with Tabs | 2026 | Newer-code home study, not listed as an approved examination NEC edition. |
| Journeyman Electrician Flash Cards | 2026 NEC Based | Repeated review of formulas, definitions, and electrical concepts. |
| 2026 Online Test Success Kit | 2026 NEC Based | Supplemental online exam-style practice. |
| Idaho PSI Candidate Bulletin | Current | Controlling exam instructions, references, questions, scoring, and test-day rules. |
Best match for current Idaho construction code: 2023 NEC with applicable amendments.
Approved examination NEC editions: 2020 or 2023.
Contractor Exam Preps' newer books: 2026 NEC based.
Important: A newer study codebook does not automatically become an approved test-center reference.
Idaho's exam is open book, but bringing the right codebook is only part of preparing.
Students also need to practice identifying the correct NEC rule quickly.
The exam has 100 questions and a 270-minute time limit.
That gives an average of 2.7 minutes per question.
Some questions will take only a short time.
Others may involve several steps of calculation or careful reading of a code provision.
Official exam: 100 questions and 270 minutes.
Passing: 75 correct answers.
Book responsibility: Candidate brings approved references.
Permanent indexing: Permitted before testing.
Temporary papers: Not permitted.
An Idaho Electrical Journeyman is licensed to perform electrical work within the authority granted by the state.
Electrical work includes installing, maintaining, altering, and repairing wiring and equipment used to convey electrical current.
Journeyman electricians may work with residential, commercial, and industrial electrical installations within the applicable rules.
Common duties include installing conductors and raceways.
They may also install electrical panelboards, lighting circuits, receptacles, switches, disconnects, and related electrical equipment.
Some work involves building services and feeders.
Other work involves branch circuits, motors, transformers, and electrical equipment connections.
The specific duties depend on the project and the license holder's role.
Electrical work must follow the Idaho Electrical Code and applicable amendments.
The currently published state code is based on the 2023 NEC.
Electrical permits and inspections may also apply to regulated installations.
Idaho DOPL explains that electrical permits can be required even when a separate building permit has been issued.
Permit jurisdiction varies by location, so contractors should confirm the applicable authority.
Journeyman electricians should understand electrical safety.
Improperly selected overcurrent protection can expose equipment and conductors to unsafe conditions.
Incorrect grounding or bonding can affect the intended protective path for fault current.
Conductor insulation and termination temperatures can change whether a particular wire size is suitable.
Raceway and box fill limits help ensure that installations remain within the approved wiring method requirements.
Special occupancies may require additional protection or installation methods.
These are technical topics that electricians should understand before taking responsibility for an installation.
Idaho also regulates electrical contractors separately.
A journeyman license is an individual trade credential.
An Electrical Contractor license addresses business activities involving electrical contracting.
Individuals who wish to own or operate a contracting business must meet the separate contractor rules.
Idaho also issues a Master Electrician license.
Master licensing is an advanced credential with its own experience and examination standards.
A Journeyman Electrician license can be an important step toward that professional advancement.
Electrical Journeyman: Individual professional trade license.
Master Electrician: Separate advanced electrical license.
Electrical Contractor: Separate authority for regulated electrical contracting.
Code compliance: Idaho NEC requirements and applicable amendments.
| Classification | License or Registration Type | Main Difference |
|---|---|---|
| Electrical Apprentice | Apprentice Registration | Completes approved education and supervised electrical installation work. |
| Electrical Journeyman | Individual Trade License | Performs qualifying electrical installation work under Idaho licensing rules. |
| Master Electrician | Advanced Individual License | Separate higher-level professional credential and examination requirements. |
| Electrical Contractor | Business License | Regulates electrical contracting activity. |
| Limited Electrical Contractor | Restricted Business Classification | Applies to specified electrical work categories. |
| Limited Electrical Installer | Restricted Individual License | Applies to specific kinds of electrical work. |
| Approved Apprentice Path | Qualification | Four years of approved schooling plus 8,000 supervised work hours. |
| Experience-Based Path | Qualification | 16,000 qualifying supervised hours. |
| Journeyman Examination | PSI | 100 questions, 270 minutes, 75 correct to pass. |
| Master Examination | PSI | Separate 100-question, 270-minute, 75-correct examination. |
| Electrical Contractor Examination | PSI | Separate 100-question, 240-minute, 70-correct exam focused on contracting rules. |
| Journeyman Exam Code References | 2020 or 2023 NEC | Candidate brings an approved codebook or listed handbook. |
| Journeyman Licensing Application | DOPL | Submitted after passing the applicable examination. |
| Electrical License Renewal | DOPL | Follow current board transition guidance and assigned expiration dates. |
Journeyman: Individual electrical trade credential.
Master: Advanced individual credential.
Contractor: Separate business licensing classification.
Important: The three examinations and licensing requirements should not be treated as interchangeable.
Four Years and 8,000 Hours
16,000 Qualifying Hours
100 Questions, 270 Minutes
Work verification: Required for the applicable Idaho pathway.
Apprentice registration: Hours worked while registration is improperly lapsed may not count.
Reciprocity and other-state qualifications: Depend on official license verification and applicable state agreements.
This six-week plan prioritizes the official PSI examination subjects and builds calculation accuracy, code navigation, and test-day timing skills.
The Idaho Journeyman Electrician examination can be challenging because it tests a wide range of electrical subjects and requires candidates to work efficiently under timed conditions.
The exam includes 100 questions and allows 270 minutes.
Candidates must answer at least 75 correctly.
Even experienced electrical workers may need preparation for a computer-based code examination.
Practical installation experience is valuable, but examination questions often describe a condition in technical NEC language.
A worker may know how to install an electrical circuit, yet still need extra practice locating the exact code provision that supports the installation.
The official examination emphasizes wiring and protection.
This category accounts for 25% of the questions.
Wiring methods and equipment for general use account for another 38% combined.
These subjects involve more than memorizing electrical definitions.
Students must recognize the appropriate installation method and protective requirement.
Some questions require identifying conductor sizes.
Others may involve services, feeders, branch circuits, disconnects, or grounding and bonding.
Motor circuits create another challenge because conductor sizing, overload protection, and short-circuit protection can follow different requirements.
Electrical calculations are an area where repeated practice pays off.
Start with the given values and determine what the question asks.
Choose the appropriate formula and NEC requirement.
Then complete the calculation carefully.
Errors often occur when students confuse amperes with watts or use a table without reviewing its notes.
Codebook navigation can also be difficult.
Idaho's exam is open book, but candidates must bring their own approved references.
The currently permitted NEC editions are 2020 and 2023.
The 2026 NEC sold with many new study packages is intended for educational use and is not listed as an approved test-center NEC edition.
For that reason, students should practice examination-specific questions using an accepted edition.
Another challenge involves the special NEC topics.
Candidates who work primarily on residential systems may be less familiar with certain commercial occupancies or special electrical equipment.
A student who mainly works with industrial equipment may need extra practice with residential service or branch-circuit load requirements.
The best strategy is to review the entire official outline rather than relying only on familiar jobsite work.
Contractor Exam Preps offers several Idaho-focused packages.
The Idaho Super Combo supports calculations and flash-card practice.
The Idaho Study Guide and NEC Combo offers a smaller printed review package.
The Idaho Ultimate Combo adds online practice resources.
These products can make study sessions more organized, but the current PSI bulletin should control the actual code edition and examination rules.
With regular study, consistent calculations, code navigation drills, and realistic practice examinations, candidates can develop stronger examination habits.
Test: ID Journeyman Electrician.
Questions: 100.
Time: 270 minutes.
Passing: 75 correct answers.
References: Approved 2020 or 2023 NEC and listed supporting materials.
Contractor Exam Preps offers Idaho-specific electrical study packages with NEC books, electrical calculations materials, flash cards, and online practice.
These 2026 study packages are designed for supplemental preparation. Candidates must use the approved 2020 or 2023 NEC for the current official examination.
Study Guides, Calculations, NEC and Flash Cards
Focused Printed Electrical Study Package
Electrical Theory, Math and Code Review
Additional online preparation: The 2026 Idaho Journeyman Electrician Ultimate Combo lists study guides, a tabbed codebook, flash cards, online practice, and course access.
Current code restriction: The listed 2026 NEC included in these packages is for supplemental education. The PSI exam currently permits 2020 or 2023 NEC editions.
Retail details: Product prices, stock, included books, and course access may change. Confirm the product listing before purchasing.
Licensing: Study packages do not replace Idaho experience requirements, application approval, or the official PSI examination.
Actual Idaho Journeyman Electrician Super Combo product image from ContractorExamPreps.com. The custom educational credential above is not an official state license.
This educational credential design features the Idaho state silhouette, a lightning bolt, an electrical distribution panel, and circuit breakers.
It represents preparation for the Idaho Electrical Journeyman examination.
The matching store image comes directly from the Idaho Journeyman Electrician Super Combo listing on ContractorExamPreps.com.
• Idaho Electrical Journeyman
• Idaho Electrical Board
• Idaho DOPL
• PSI Electrician Examination
• 100 Scored Questions
• 270 Minutes
• 75 Correct Answers to Pass
• Open-Book Examination
• 2020 or 2023 NEC References
• 2023 Idaho Adopted Electrical Code
• Electrical Theory
• Ohm's Law
• Electrical Power Formulas
• Services and Feeders
• Branch Circuits
• Overcurrent Protection
• Grounding and Bonding
• Conductors and Cables
• Conductor Ampacity
• Temperature Correction
• Adjustment Factors
• Raceways and Boxes
• Wiring Methods and Materials
• Raceway Fill
• Box Fill
• Equipment for General Use
• Motors and Transformers
• Electrical Equipment Protection
• Lighting and Controls
• Special Occupancies
• Special Equipment
• Special Conditions
• Electrical Safety
• Electrical Calculations
• NEC Article Navigation
• Approved Reference Books
• Permanent Codebook Indexing
• Timed Practice Examinations
• Apprenticeship Requirements
• 8,000-Hour Experience Path
• 16,000-Hour Experience Path
• Future Master Electrician Advancement
• Separate Electrical Contractor Licensing
Prepare for Idaho's licensing process with electrical study guides, calculation practice, proper NEC reference navigation, and realistic test simulations.
Idaho Journeyman Electrician Licensing
The Idaho Division of Occupational and Professional Licenses administers electrical licensing through the Idaho Electrical Board.
Electrical Journeyman.
The approved apprenticeship route requires 8,000 supervised hours and four years of approved schooling. The alternative experience-based route requires 16,000 qualifying supervised hours.
Four years of approved schooling is required under the standard apprenticeship pathway. Idaho also recognizes a separate 16,000-hour experience qualification route.
Yes. Idaho identifies a supervised 16,000-hour experience pathway, subject to documentation and licensing review.
Yes, for the applicable in-state apprenticeship pathway. DOPL warns that hours worked while required apprentice registration is lapsed do not count toward qualifying hours.
No. Idaho's Journeyman application excludes appliance repair, motor winding, and communications work from the listed qualifying installation experience.
Idaho has license recognition and reciprocity provisions. Applicants must meet the applicable agreement conditions and provide official license verification.
Idaho PSI Journeyman Electrician Examination
PSI administers Idaho's current electrical licensing examinations.
The current PSI Journeyman Electrician bulletin lists 100 questions.
270 minutes, or four hours and thirty minutes.
75 correct answers out of 100, equivalent to 75%.
Some retailer descriptions contain older or conflicting examination details. The current Idaho PSI bulletin lists 270 minutes and 75 correct answers for the Journeyman Electrician exam.
Yes. Candidates may use the approved examination references and must bring their own permitted materials.
No. Idaho candidates are responsible for bringing approved reference materials.
NEC Code Editions and Approved References
Idaho's published adopted electrical code is the 2023 NEC with applicable amendments.
The current PSI bulletin permits the 2020 or 2023 NEC, or the corresponding NEC Handbook.
The 2026 NEC is not listed among the currently approved exam references. Use the 2020 or 2023 edition specified by PSI unless the official bulletin changes.
Newer study materials help students learn updated NEC concepts, electrical calculations, and reference navigation. They do not automatically replace the exam-approved 2020 or 2023 code edition.
Yes. Ugly's Electrical References is among the supporting references permitted in the current PSI bulletin.
Yes. The current bulletin permits specified 2020 or 2023 editions as optional reference aids.
Pre-exam highlighting and permanent indexing are permitted within PSI's reference preparation rules.
No. Temporary markers and loose paper are prohibited.
No. PSI prohibits writing in reference materials during testing.
Electrical Examination Topics
Wiring and Protection, with 25 questions.
19 questions.
19 questions.
Yes. Study electrical formulas, conductor sizing, load calculations, box fill, raceway fill, motors, transformers, and related NEC tables.
Yes. Grounding and bonding are important topics within the Wiring and Protection category.
Yes. Motors, transformers, equipment protection, and related installations are important equipment topics.
12 questions.
Six questions for Special Equipment and six for Special Conditions.
Career Advancement and Contracting
Yes. Idaho offers a separate Master Electrician license with its own experience and examination requirements.
A Journeyman license alone does not replace Idaho's separate Electrical Contractor licensing requirements.
The separate Idaho Electrical Contractor exam currently lists 100 questions, 240 minutes, and 70 correct answers required, with a focus on contractor business-and-law matters.
DOPL currently lists a three-year Journeyman term but has announced renewal-cycle changes beginning October 30, 2026. Follow the official notice for your individual license.
Yes. Idaho has revised electrical licensing rules and renewal procedures. Check the latest DOPL requirements instead of relying on older continuing education descriptions.
Contractor Exam Preps Products
Yes. The store offers Idaho-specific Journeyman Electrician study packages with guides, calculations, NEC books, and flash cards.
The package includes an Idaho Journeyman Electrician Study Guide, Electrician Calculations Study Guide, a tabbed 2026 NEC, and Journeyman Electrician Flash Cards.
Yes. Contractor Exam Preps offers a 2026 Idaho Journeyman Electrician Study Guide and National Electrical Code Combo with Tabs.
Yes. The Idaho Electrician and Calculations Book Combo includes a separate calculations guide and 2026 NEC study materials.
Yes. The Idaho Ultimate Combo lists an online Test Success Kit and course access alongside the printed study materials.
No. Candidates must independently satisfy Idaho's experience, examination, and licensing requirements. Study resources support preparation but do not guarantee a passing score or license approval.
Watch this related 1ExamPrep Journeyman Electrician video about electrical examination preparation, NEC codebook study, calculation practice, and test-taking strategies.
The video provides general electrical study guidance. Idaho candidates should use the official Idaho examination rules and approved 2020 or 2023 NEC references for examination-specific preparation.
Video: 2026 Journeyman Electrician Exam Prep License Study Guide.
Channel: 1ExamPrep.
Related subjects: Electrical theory, NEC navigation, conductor calculations, grounding, bonding, wiring methods, and exam strategy.
Idaho Journeyman exam: 100 questions, 270 minutes, 75 correct answers required.
Exam reference reminder: Idaho currently permits 2020 or 2023 NEC editions, not the newer 2026 NEC discussed in current-code study materials.
Watch the 1ExamPrep Journeyman Electrician Video on YouTube
Read the Related Idaho Journeyman Electrician Exam Prep Guide
Use these verified Contractor Exam Preps study packages and official state examination resources to plan your Idaho Electrical Journeyman preparation.
Idaho licensing: Electrical Journeyman through DOPL.
Official examination: 100 questions, 270 minutes, 75 to pass.
Allowed NEC editions: 2020 or 2023.
State electrical code: 2023 NEC with amendments.
Experience pathways: 8,000 supervised hours with approved schooling, or 16,000 qualifying supervised hours.
Newer retail packages: 2026 NEC study editions.
Contractor licensing: Separate from the individual Journeyman Electrician license.
Preparing for the Idaho Journeyman Electrician examination is an important step toward earning a professional electrical trade license.
Idaho regulates individual electrical licensing through the Idaho Electrical Board and the Division of Occupational and Professional Licenses.
The official journeyman-level credential is called Electrical Journeyman.
It recognizes electricians who have completed the required experience, education or alternative experience qualifications, and the state's examination requirements.
Idaho provides multiple licensing pathways.
One involves four years of approved electrical apprenticeship schooling and at least 8,000 hours of supervised electrical installation work.
Applicants using this pathway must maintain the appropriate apprentice registration while completing qualifying work.
Another route involves 16,000 hours of qualifying supervised electrical installation experience.
Both pathways require documentation showing that the applicant satisfies Idaho's standards.
The state also provides recognition procedures for certain qualified electricians who hold licenses in other jurisdictions.
Applicants should review the official work and license verification rules before applying.
After completing the required qualification process, candidates take the Journeyman Electrician examination administered through PSI.
The current official examination contains 100 questions and allows 270 minutes.
That equals four hours and thirty minutes.
The minimum passing score is 75 correct answers.
These requirements are important because some older commercial study pages contain different question timing or passing figures.
When a retailer description and the current official PSI bulletin disagree, candidates should follow the published PSI requirements.
Idaho's examination is open book.
However, candidates must bring their own approved electrical reference materials.
The current exam bulletin permits the 2020 or 2023 NEC, including the specified NEC Handbook alternatives.
Other listed references include Ugly's Electrical References and optional NEC indexes.
Idaho's published adopted electrical construction code is based on the 2023 National Electrical Code with amendments.
This is an important distinction for electricians using newer study packages.
Contractor Exam Preps offers current Idaho-specific products built around the 2026 NEC.
These newer products can help students study electrical theory, code organization, current NEC concepts, and calculations.
However, the 2026 NEC is not currently listed as an approved Idaho Journeyman exam-room code edition.
Students should prepare with an approved 2020 or 2023 NEC for official examination purposes and use newer materials for supplemental learning.
The official Journeyman Electrician exam contains seven major subject categories.
Wiring and Protection accounts for 25 questions.
Wiring Methods and Materials contains 19 questions.
Equipment for General Use also contains 19 questions.
Those three subjects represent 63% of the examination.
The remaining categories include General Electrical Knowledge, Special Occupancies, Special Equipment, and Special Conditions.
Although some categories contain fewer questions, they still contribute to the final score.
Electrical calculations should be part of every serious study plan.
Candidates should practice Ohm's law, electrical power, service and feeder loads, conductor sizing, voltage drop, box fill, raceway fill, motors, transformers, and protective-device requirements.
NEC navigation is another important skill.
The codebook contains many tables, exceptions, definitions, and installation requirements.
Knowing where information is located saves time during an open-book examination.
Permanent indexing and pre-exam highlighting can help candidates find permitted references more quickly.
However, temporary markers, loose notes, and writing during the test are not allowed under the published rules.
Students should practice with a properly prepared examination reference instead of relying on materials they cannot bring into the testing room.
Contractor Exam Preps offers several packages for Idaho candidates.
The 2026 Idaho Journeyman Electrician Super Combo includes an Idaho study guide, electrical calculations guide, tabbed 2026 NEC, and flash cards.
It provides multiple ways to review technical material.
The Idaho Journeyman Electrician Study Guide and NEC Combo is another option for printed study and code navigation.
The Idaho Electrical Calculations Combo provides additional mathematics preparation.
Candidates interested in online practice can explore the Idaho Ultimate Combo.
All of these 2026 NEC packages should be understood as supplemental study resources under the current Idaho examination rules.
A structured six-week study plan can help organize preparation.
Begin with electrical fundamentals and code navigation.
Next, review wiring and protection.
Continue with wiring methods, equipment, conductor calculations, motors, special occupancies, and special conditions.
During the final week, complete realistic 100-question practice tests under a 270-minute time limit.
Review missed questions carefully and repeat the code lookups needed to understand the correct answers.
After passing the examination, candidates must finish the official Idaho DOPL licensing process.
Passing an exam does not automatically issue the license.
Electricians should also understand the difference between journeyman, master, and contractor credentials.
A Journeyman Electrician license is an individual professional trade credential.
The Master Electrician license involves separate advanced qualifications.
Operating an electrical contracting business requires appropriate contractor licensing.
Idaho has also announced renewal-cycle changes beginning October 30, 2026, so license holders should verify their assigned expiration date and the latest Board requirements.
With qualifying work experience, the proper NEC reference, calculation practice, and a clear understanding of the official PSI examination, Idaho Journeyman Electrician candidates can prepare with better organization and stronger technical knowledge.
The goal is not simply to remember electrical answers for one examination.
It is to build the knowledge needed to locate code requirements, apply electrical principles, and perform electrical work responsibly.
Find Idaho electrical study guides, NEC books, calculation materials, flash cards, and exam preparation resources at ContractorExamPreps.com.
