Updated October 2026 | Iowa Journeyman Electrician Exam Prep

Iowa Journeyman Electrician Contractor Exam Prep

Class A Journeyman Electrician • PSI • 80 Scored Questions • 180 Minutes • 70% to Pass • Open Book

Are you preparing for the Iowa Journeyman Electrician licensing examination? This Iowa Journeyman Electrician Contractor Exam Prep guide covers the state's licensing process, PSI exam format, National Electrical Code requirements, electrical calculations, official test subjects, study books, and preparation resources from Contractor Exam Preps.

Iowa has a statewide electrical licensing program administered by the Iowa Electrical Examining Board within the Iowa Department of Inspections, Appeals, and Licensing, commonly known as DIAL.

The state offers several electrical license classifications.

These include Class A Journeyman Electrician, Class B Journeyman Electrician, Class A Master Electrician, Class B Master Electrician, Residential Electrician, Residential Master Electrician, Apprentice Electrician, and Electrical Contractor.

The standard examination pathway for a fully qualified journeyman applicant involves the Class A Journeyman Electrician license.

For many applicants, this pathway begins with a registered electrical apprenticeship program and qualifying electrical work experience.

Iowa recognizes registered apprenticeship training, certain Board-recognized technical education pathways, and other qualifying routes under its rules.

A common Class A pathway includes completing a registered apprenticeship program, four years of qualifying apprentice experience, and a Board-approved examination.

Applicants must satisfy the rules that apply to their individual training and licensing history.

Having practical electrical experience is important, but successfully completing the required examination demonstrates another kind of knowledge.

Electricians must understand how to use electrical codes, identify proper installation methods, perform calculations, and apply protective requirements.

That includes working with electrical services, feeders, branch circuits, conductors, raceways, motors, transformers, grounding, bonding, and equipment.

Some questions involve electrical theory.

Others require finding the correct National Electrical Code provision.

Still others involve calculations that combine mathematical formulas with code rules.

This is where organized preparation makes a difference.

The current Iowa Journeyman Electrician examination is administered by PSI Services LLC.

According to the current PSI Candidate Information Bulletin, the examination includes 80 scored questions.

Candidates receive 180 minutes, or three hours, for the scored portion.

The examination also includes 8 unscored questions used for test development.

PSI provides an additional 30 minutes for those unscored questions.

The minimum passing score is 70%.

For the 80 scored questions, that means 56 correct answers are needed to pass.

The unscored questions do not contribute to the passing score.

Iowa's Journeyman Electrician examination is open book.

But that does not mean you can bring every electrician handbook, study guide, and notebook from your truck.

PSI specifies which references are approved.

The current Iowa bulletin permits the 2023 National Electrical Code or the 2023 National Electrical Code Handbook.

Candidates must bring their own approved reference.

The examination center does not supply a personal NEC book for them.

PSI specifically states that Ugly's Electrical References is not an approved examination-room reference.

It may be helpful during home study, but it cannot be brought into this Iowa exam under the published rules.

Approved NEC references may be highlighted, underlined, and permanently indexed before the examination.

However, writing in the reference before or during testing is prohibited.

Temporary Post-it tabs and removable markers are not permitted.

Loose sheets or additional attached papers are also prohibited.

There is an important distinction between the current examination book and newer study products.

Contractor Exam Preps offers Iowa Journeyman Electrician study packages based on the 2026 NEC.

These newer products can help electricians learn current electrical concepts, practice calculations, review code organization, and develop stronger study habits.

However, the current Iowa PSI examination bulletin identifies the 2023 NEC as the approved examination reference.

A candidate should not assume the 2026 NEC can be taken into the PSI testing center.

Use the proper 2023 edition for examination-specific preparation.

Use newer 2026 materials as supplemental study resources.

Iowa also made an important electrical code change on June 2, 2026.

House File 2800 became effective immediately and changed the state's electrical installation requirements.

DIAL explains that Iowa returned to the unamended 2023 NEC, except for exclusions and provisions contained in HF2800.

That standard remains in effect until Iowa formally adopts the 2026 NEC.

This is another reason to distinguish between a new retail codebook and the code edition that currently governs electrical work and PSI testing.

The official Journeyman Electrician exam includes seven technical subject categories.

Wiring and Protection is the largest category at 25%.

Wiring Methods and Materials accounts for 19%.

Equipment for General Use also accounts for 19%.

General Electrical Knowledge and Special Occupancies each account for 13%.

Special Equipment and Special Conditions each account for 6%.

These percentages are rounded and add up to 101%.

They show the relative emphasis of the seven exam subjects.

The examination includes technical rules and real-world installation situations.

For example, an electrician may need to identify a conductor's allowable ampacity.

That can involve conductor material, insulation, termination temperatures, and correction or adjustment factors.

Another question might ask about service equipment or overcurrent protection.

The candidate must determine which NEC provision applies.

Grounding and bonding questions can also be challenging because those terms have different meanings.

Motor calculations may require understanding the distinction between overload protection and short-circuit protection.

Raceway fill and box fill involve tables and calculations.

Special occupancies may use rules that do not apply to an ordinary residential branch circuit.

This wide range of subjects makes practice valuable.

Contractor Exam Preps offers the 2026 Iowa Journeyman Electrician Study Guide and NEC Combo with Tabs.

It includes an Iowa study guide and a tabbed 2026 NEC paperback for structured home study.

Another option is the Iowa Journeyman Electrician Study Guide and Flash Card Combo.

This package includes twelve practice exams, two full final exams, and 2026 NEC-based flash cards.

For broader trade preparation, the store also offers a 2026 Journeyman Electrician Study Guide and National Electrical Code Combo.

The general package is not Iowa-specific, but it supports technical code review and electrical calculations.

Remember that study products do not replace Iowa's licensing requirements.

Candidates must obtain approval from the Iowa Electrical Examining Board before scheduling the PSI examination.

They must complete the licensing application and testing sponsorship process.

Once approved, candidates receive an authorization to test.

The PSI bulletin states that this authorization is valid for two attempts or six months.

The listed examination fee is $87.

After passing, candidates must contact the Board and complete the remaining licensing steps.

Another important point is that an Iowa Journeyman Electrician license is not the same as an Electrical Contractor license.

Electrical contracting businesses have separate licensing and registration requirements.

Iowa ties electrical contractor licensing to a qualifying Master Electrician relationship.

Journeyman electricians who plan to operate a contracting business should review those requirements before advertising or performing independent contracting work.

This guide explains the official Iowa Journeyman Electrician exam format, Class A licensing pathway, NEC rules, current Iowa code changes, seven test subjects, electrical calculations, codebook preparation, six-week study plan, Contractor Exam Preps products, interactive FAQs, and a related 1ExamPrep YouTube video.

IOWA CLASS A JOURNEYMAN • 80 SCORED QUESTIONS • 180 MINUTES • 70% PASSING • 2023 NEC
80

Scored Exam Questions

180

Scored Exam Minutes

70%

Minimum Passing Score

2023

Approved Exam NEC Edition

Important Iowa Journeyman Electrician 2026 Update: The current PSI bulletin lists 80 scored questions in 180 minutes, plus 8 unscored questions with 30 additional minutes. The passing score is 70%, and the examination is open book. The approved code reference is the 2023 NEC or the 2023 NEC Handbook. Iowa's House File 2800 took effect June 2, 2026, removing prior state electrical amendments and returning enforcement to the 2023 NEC except for provisions in HF2800. Contractor Exam Preps' 2026 NEC packages are newer study resources, but the 2026 NEC is not listed as an approved examination-room reference in the current PSI bulletin. Candidates should always verify the latest PSI and Iowa Board instructions before testing.

What Is an Iowa Journeyman Electrician?

An Iowa Journeyman Electrician is a licensed electrical tradesperson who has met the state's applicable qualification requirements.

Journeyman electricians perform electrical installation work involving wiring, equipment, circuits, conductors, and related electrical systems.

Iowa defines a Journeyman Electrician as a person with the necessary qualifications to wire for or install electrical wiring and equipment.

The standard examination-based journeyman credential is the Class A Journeyman Electrician license.

Iowa also recognizes a Class B Journeyman Electrician license under specific statutory qualification provisions.

These classifications should not be confused.

Class A licensing commonly involves registered apprenticeship training, qualifying experience, and an approved examination.

Class B licensing follows different eligibility rules and should not be treated as an identical exam-based pathway.

Electrical work itself covers a wide range of equipment.

Residential installations may include service panels, receptacles, lighting circuits, kitchen circuits, water heaters, and heating equipment.

Commercial installations may include distribution panels, larger feeders, transformers, motors, lighting controls, and additional electrical systems.

Industrial facilities may use motor controls, electrical distribution systems, specialized equipment, and complex operating environments.

The proper electrical installation depends on the equipment, loads, location, and applicable code requirements.

Journeyman electricians must understand how these factors affect the installation.

A circuit breaker may protect a conductor against excessive current, but the protective-device rating must satisfy the applicable requirements.

Conductors have different allowable ampacities depending on their characteristics and installation conditions.

Grounding and bonding have important but distinct functions.

Electrical equipment must be selected and installed according to its ratings and applicable code provisions.

The National Electrical Code provides the foundation for many of these requirements.

Iowa currently enforces the 2023 NEC subject to the applicable provisions of House File 2800.

The 2023 NEC is also the code edition specified in the current Iowa PSI Journeyman Electrician examination bulletin.

For someone preparing to become a journeyman electrician, practical experience and code study should support each other.

Understanding a jobsite installation helps make a code question easier to interpret.

Understanding the code helps an electrician recognize whether an installation meets the requirements.

State licensing: Iowa Electrical Examining Board.

Agency: Iowa DIAL.

Primary exam pathway: Class A Journeyman Electrician.

Exam vendor: PSI Services LLC.

Current NEC reference: 2023.

Business contracting: Separate Electrical Contractor licensing.

Iowa Class A Journeyman Electrician Licensing Path

Step Requirement What to Prepare
Confirm License Class A Journeyman Electrician Select the proper Iowa individual license.
Licensing Authority Iowa Electrical Examining Board Review the latest state rules.
Regulating Agency Iowa DIAL Use the official licensing system.
Traditional Training Registered Apprenticeship Complete approved training.
Traditional Experience Four Years Document qualifying apprentice experience.
Alternative Training Board-Recognized Pathway Check approved technical education and other qualifying routes.
Existing Class B License Separate Class A Route Review Class A examination and application requirements.
Other-State License Verification or Reciprocity Provide license and examination history under current rules.
License Application State Application Complete the Iowa Electrical Examining Board application.
Testing Sponsorship Board Approval Submit the required sponsorship request.
Authorization Letter State Approval Wait for authorization before scheduling.
Authorization Validity Two Attempts or Six Months Follow the authorization conditions.
Testing Vendor PSI Register for Iowa Journeyman Electrician.
Exam Fee $87 Listed Confirm current PSI fees.
Scored Questions 80 Study the seven technical categories.
Scored Time 180 Minutes Practice three-hour scored simulations.
Additional Questions 8 Unscored Allow for 30 additional minutes.
Passing 70% Target at least 56 correct scored answers.
Examination Format Open Book Bring an approved codebook.
Approved NEC 2023 Use the 2023 NEC or 2023 NEC Handbook.
Codebook Indexing Permanent Tabs Only Prepare references before testing.
Temporary Notes Not Allowed Remove Post-it tabs and loose sheets.
Score Report PSI Keep examination results.
License Issuance Board Completion Contact the Board after passing.
Future Advancement Master Electrician Review separate Master licensing requirements.
Independent Business Electrical Contractor License Meet separate Master relationship and contractor registration requirements.

Iowa Journeyman Electrician 2026 PSI Exam Snapshot

Exam Detail Category Current Information
License Iowa Class A Journeyman Electrician
Licensing Board State Iowa Electrical Examining Board
Agency State Department of Inspections, Appeals, and Licensing
Exam Administrator PSI PSI Services LLC
Exam Name PSI Journeyman Electrician
Exam Format PSI Computer-Based
Scored Questions PSI 80
Scored Time PSI 180 Minutes
Unscored Questions PSI 8
Additional Time PSI 30 Minutes
Passing Percentage PSI 70%
Passing Scored Answers PSI 56 of 80
Open Book PSI Yes
Approved NEC Reference 2023 National Electrical Code
Approved Alternative Reference 2023 NEC Handbook
2026 NEC Reference Not Listed as Approved Exam Reference
Ugly's Electrical References Reference Not Allowed in Testing Center
Candidate Brings Book Testing Yes
Highlighting Before Exam Testing Permitted
Underlining Before Exam Testing Permitted
Permanent Tabs Testing Permitted
Temporary Tabs Testing Not Permitted
Written Notes in Codebook Testing Not Permitted
Loose Papers Testing Not Permitted
Online Calculator Testing Available
Personal Calculator Testing Silent, Nonprogrammable, Battery Operated
Scratch Paper Testing Provided by PSI
Arrival Testing At Least 30 Minutes Early
Identification Testing Valid Signature and Photo Identification
Examination Fee PSI $87 Listed
Board Sponsorship Licensing Required Before Scheduling
Authorization Validity Licensing Two Attempts or Six Months
General Electrical Knowledge Blueprint 13%
Wiring and Protection Blueprint 25%
Wiring Methods and Materials Blueprint 19%
Equipment for General Use Blueprint 19%
Special Occupancies Blueprint 13%
Special Equipment Blueprint 6%
Special Conditions Blueprint 6%
Blueprint Percentage Total Blueprint 101% Due to Rounding
Iowa Code Enforcement Construction 2023 NEC Subject to HF2800 Provisions
HF2800 Effective Date Construction June 2, 2026
Current Retail Study Materials Books 2026 NEC-Based Packages

Scored examination: 80 questions, 180 minutes, 70% to pass.

Unscored items: 8 additional questions, 30 additional minutes.

Approved references: 2023 NEC or 2023 NEC Handbook.

Testing fee: $87 in the current bulletin, subject to updates.

Blueprint: Seven content categories, with rounded percentages.

Iowa Journeyman Electrician Official Exam Topic Breakdown

The current PSI Journeyman Electrician blueprint lists seven technical subject areas.

General Electrical Knowledge: 13%

Review electrical theory, Ohm's law, voltage, current, resistance, electrical power, circuits, and common electrical terminology.

Practice calculations involving watts, amperes, volts, and resistance.

Learn the difference between series and parallel circuits.

Understand common electrical symbols, equipment ratings, and units of measurement.

Wiring and Protection: 25%

This is the largest Iowa Journeyman Electrician category.

Study services, feeders, branch circuits, overcurrent protection, grounding, bonding, and disconnecting means.

Review load calculations and conductor protection requirements.

Practice locating rules in the 2023 NEC.

Pay special attention to grounding and bonding terminology because these subjects are closely related but not interchangeable.

Wiring Methods and Materials: 19%

Review conductors, cables, raceways, fittings, boxes, enclosures, and installation methods.

Practice conduit and raceway fill.

Study box fill and conductor adjustment factors.

Learn when particular wiring methods may be used and what supporting or installation conditions apply.

Equipment for General Use: 19%

Study motors, transformers, generators, appliances, heating equipment, lighting, switches, receptacles, and related electrical equipment.

Review motor branch-circuit conductor sizing, protection, controllers, and disconnects.

Learn to interpret equipment nameplates and ratings.

Special Occupancies: 13%

Review specialized installation environments that require additional electrical rules.

Examples include hazardous locations, healthcare occupancies, agricultural buildings, recreational vehicle facilities, and other locations addressed by the NEC.

Learn to recognize when general rules must be supplemented by special-occupancy requirements.

Special Equipment: 6%

Study electrical equipment with specialized code requirements.

Examples can include electric vehicle charging equipment, photovoltaic installations, signs, cranes, and other equipment addressed by special NEC articles.

Special Conditions: 6%

Review emergency systems, legally required standby systems, optional standby systems, and other installations covered by special NEC conditions.

Study the basic differences among these systems and learn where the rules appear.

Largest topic: Wiring and Protection, 25%.

Second-largest topics: Wiring Methods and Materials and Equipment for General Use, 19% each.

Combined top three: 63% of the published examination weighting.

Published category percentages: 101% due to rounding.

Blog Topic
Iowa Journeyman Electrician Contractor Exam Prep
State
Iowa
Primary License
Class A Journeyman Electrician
Licensing Board
Iowa Electrical Examining Board
Regulating Agency
Iowa DIAL
Exam Provider
PSI Services LLC
Examination
Journeyman Electrician
Format
Computer-Based
Scored Questions
80
Scored Time
180 Minutes
Unscored Questions
8
Extra Time
30 Minutes
Passing Score
70%
Passing Correct Answers
56 of 80 Scored
Open Book
Yes
Approved NEC
2023 National Electrical Code
Alternative Reference
2023 NEC Handbook
Ugly's Electrical References
Not Permitted in Exam Room
2026 NEC
Supplemental Study, Not Current Approved Exam Reference
Candidate Brings Reference
Yes
Pre-Exam Highlighting
Permitted
Pre-Exam Underlining
Permitted
Permanent Tabs
Permitted
Temporary Tabs
Prohibited
Loose Reference Papers
Prohibited
Writing in Reference
Prohibited Before and During Examination
Calculator
Approved Nonprogrammable or Available Online Calculator
Scratch Paper
PSI Provides
Arrival
At Least 30 Minutes Early
Examination Fee
$87 Listed
PSI Scheduling Number
855-746-8173
Testing Authorization
Board Approval Required
Authorization Validity
Two Attempts or Six Months
General Electrical Knowledge
13%
Wiring and Protection
25%
Wiring Methods and Materials
19%
Equipment for General Use
19%
Special Occupancies
13%
Special Equipment
6%
Special Conditions
6%
Published Percentage Total
101% Due to Rounding
Traditional Class A Path
Registered Apprenticeship and Four Years Qualifying Experience
Approved Other Pathways
Subject to Iowa Board Rules
Class B Journeyman
Separate Statutory License Classification
Master Electrician
Separate Advanced License
Electrical Contractor
Separate Business License
Iowa Electrical Code
2023 NEC Subject to HF2800 Provisions
HF2800 Effective Date
June 2, 2026
Prior Iowa Code Amendments
Removed by HF2800, Subject to Statutory Provisions
General Journeyman Combo
Official PSI Bulletin

How to Study for the Iowa Journeyman Electrician Exam

Begin with the official PSI Candidate Information Bulletin and the seven-category examination outline.

Identify which subjects make up the largest portions of the test.

Wiring and Protection, Wiring Methods and Materials, and Equipment for General Use together account for 63% of the published weighting.

These subjects deserve consistent review.

However, students should not ignore General Electrical Knowledge, Special Occupancies, Special Equipment, or Special Conditions.

Each category can affect the final examination score.

The next step is preparing the correct codebook.

The current Iowa PSI reference is the 2023 National Electrical Code or 2023 NEC Handbook.

Learn how the code is organized.

Study the general requirements, wiring and protection articles, wiring methods, equipment provisions, special occupancies, and electrical tables.

Practice using the NEC index and locating Article 100 definitions.

Learn where common rules about services, feeders, branch circuits, grounding, bonding, conductors, and overcurrent protection can be found.

Then practice electrical calculations.

Ohm's law and electrical power formulas provide a useful starting point.

Additional problems may require calculating electrical loads, conductor ampacity, voltage drop, motor currents, box fill, and raceway fill.

Practice each calculation carefully and check the units.

For example, a conductor-sizing question may involve more than one NEC requirement.

Students must identify the load, apply the correct rule, and confirm that the selected conductor meets the applicable conditions.

Code navigation should become part of every study session.

Read a practice question, identify its subject, find the related 2023 NEC article, and check the exact language.

This helps build habits for open-book testing.

The Iowa Journeyman Electrician Study Guide and NEC Combo supports organized review.

The Iowa Practice Exam and Flash Card Combo provides repeated questions and daily review material.

These products use the 2026 NEC for supplemental learning.

Use an approved 2023 NEC when practicing examination-specific lookups.

Complete timed practice exams during the final weeks.

Review every missed answer and identify whether the mistake involved a calculation, code lookup, or misunderstanding of the question.

Iowa Journeyman Electrician Electrical Distribution Diagram

This simplified diagram shows how service equipment, a panelboard, branch circuits, and grounding components relate to the electrical subjects tested in Iowa.

ELECTRICAL DISTRIBUTION SYSTEM SERVICE EQUIPMENT FEEDER PANEL LIGHTING M MOTOR GROUNDING SERVICE • FEEDER • PANEL • PROTECTION • LOADS

Educational concept illustration only. Not an electrical installation plan or engineering drawing.

  • Service equipment: Receives electrical supply and performs required service functions.
  • Feeder: Supplies downstream distribution equipment.
  • Panelboard: Distributes electrical power to circuits.
  • Circuit protection: Helps protect electrical conductors and equipment.
  • Branch circuits: Supply lighting, receptacles, motors, and other loads.
  • Motor circuit: May require special conductor and protective-device calculations.
  • Grounding: Connects systems to grounding electrodes where required.
  • Bonding: Establishes electrical continuity for an effective fault-current path.
  • NEC requirements: Depend on actual equipment and installation conditions.

Iowa Journeyman Electrician Licensing Roadmap

1

Confirm Your License Classification

Review Class A Journeyman Electrician rules and determine whether your background qualifies through apprenticeship, approved education, or another Board-recognized route.

2

Document Training and Experience

Gather apprenticeship completion records, approved educational documentation, work history, and any required license verification.

3

Submit the Iowa Application and Sponsorship Request

Apply through the Iowa Electrical Examining Board and wait for authorization.

4

Review the Current PSI Examination Bulletin

Confirm 80 scored questions, 180 minutes, 70% passing, 8 unscored questions, and the approved 2023 NEC references.

5

Prepare Your NEC Reference

Study the 2023 NEC or 2023 NEC Handbook and follow the permitted indexing and highlighting requirements.

6

Practice All Seven Technical Subjects

Focus on wiring and protection, wiring methods, equipment, electrical theory, special occupancies, and calculations.

7

Pass the PSI Examination

Answer at least 56 of the 80 scored questions correctly while managing the time allowed.

8

Finish Iowa Licensing

Contact the Electrical Examining Board after passing and complete the license issuance requirements.

Iowa Journeyman Electrician Official Exam Topic Weighting

These values come from the published Iowa PSI Journeyman Electrician blueprint. The percentages total 101% because they are rounded.

Wiring and Protection25%

Wiring Methods and Materials19%

Equipment for General Use19%

General Electrical Knowledge13%

Special Occupancies13%

Special Equipment6%

Special Conditions6%

Largest: Wiring and Protection, 25%.

Top three combined: 63%.

Published weighting total: 101% due to rounding.

Scored exam: 80 questions, 70% passing.

Study recommendation: Prioritize the highest-weighted subjects without skipping the rest.

Iowa Journeyman Electrician NEC References and Study Books

There is an important difference between an approved PSI reference and a retail study product.

Iowa's current examination permits the 2023 NEC or the 2023 NEC Handbook.

Contractor Exam Preps' current Iowa study packages are based on the newer 2026 NEC.

Book or Material Edition Exam or Study Use
NFPA 70 National Electrical Code 2023 Approved exam-room reference.
National Electrical Code Handbook 2023 Approved alternative exam-room reference.
Ugly's Electrical References Various Not allowed in the PSI testing center under the current bulletin.
2026 Iowa Journeyman Electrician Study Guide 2026 NEC Based Supplemental exam preparation.
2026 NEC Paperback with Tabs 2026 Home study and newer-code navigation, not currently approved for exam-room use.
2026 Iowa Practice Exams 2026 NEC Based Supplemental trade knowledge and timed study.
2026 Journeyman Flash Cards 2026 NEC Based Quick recall practice before test day.
2026 General Journeyman Study Guide 2026 NEC Based Broader electrical theory and code review.
Iowa PSI Candidate Information Bulletin Current Controlling testing rules and approved references.
Iowa HF2800 2026 Law Current state electrical installation requirements.

Permitted exam reference: 2023 NEC or 2023 NEC Handbook.

Not permitted: Ugly's Electrical References and unapproved additional books.

Store product edition: 2026 NEC.

Important: A 2026 study book does not automatically qualify as a testing-center reference.

How to Prepare for Iowa's Open-Book Journeyman Electrician Exam

The Iowa Journeyman Electrician examination is open book, but every permitted reference must follow PSI's rules.

Candidates should practice with the 2023 NEC before testing.

Learning where to find rules is usually more useful than randomly flipping through the codebook during an exam.

Do These Things

  • Read the current PSI bulletin.
  • Use the approved 2023 NEC.
  • Learn the NEC table of contents.
  • Practice Article 100 definitions.
  • Review branch circuits and feeders.
  • Study grounding and bonding.
  • Practice conductor sizing.
  • Review overcurrent protection.
  • Practice raceway fill and box fill.
  • Study motors and transformers.
  • Prepare compliant permanent tabs.
  • Take three-hour practice exams.

Avoid These Mistakes

  • Bringing an unapproved 2026 NEC.
  • Bringing Ugly's Electrical References.
  • Using temporary Post-it tabs.
  • Bringing loose notes or paper.
  • Writing in a reference book.
  • Assuming PSI supplies the NEC.
  • Ignoring the 8 unscored questions.
  • Using the wrong exam time.
  • Skipping electrical calculations.
  • Ignoring smaller exam categories.
  • Waiting until test day to learn the NEC index.
  • Confusing Journeyman with Master exam requirements.

What Can an Iowa Journeyman Electrician Do?

An Iowa Journeyman Electrician is qualified to install electrical wiring and equipment within the authority granted by the state license.

Electrical work can involve residential buildings, commercial facilities, and other installations.

Typical electrical work includes installing conductors, raceways, boxes, receptacles, switches, lighting, panels, and connected electrical equipment.

Journeyman electricians also work with feeders, branch circuits, electrical services, motors, transformers, and other systems according to the project and applicable rules.

Safe installation depends on selecting equipment and materials correctly.

A conductor must be suitable for the calculated load and installation conditions.

Overcurrent protective devices must meet applicable electrical code requirements.

Electrical equipment must be installed in accordance with its ratings and approved instructions.

Grounding and bonding must be performed properly.

Special installations may require additional provisions from the NEC.

The current Iowa electrical installation standard is based on the 2023 NEC subject to provisions enacted in HF2800.

Electrical permits and inspections may apply to regulated projects.

Journeyman electricians should understand that individual trade licensing and contractor business licensing are different.

Holding a Journeyman Electrician license does not automatically establish an Electrical Contractor business license.

Under Iowa's licensing structure, an Electrical Contractor must have the required relationship with a qualifying Master Electrician and satisfy contractor registration requirements.

Someone who wants to start an electrical business should review the state's Electrical Contractor licensing information separately.

Class A Journeyman: Individual trade credential.

Class B Journeyman: Separate classification with different qualification conditions.

Master Electrician: Separate advanced credential.

Electrical Contractor: Separate business license and contractor registration requirements.

Iowa Apprentice vs. Class A Journeyman vs. Class B Journeyman vs. Master vs. Contractor

Classification License Type Main Difference
Apprentice Electrician Individual Completes qualifying electrical work and training under applicable supervision.
Class A Journeyman Electrician Individual Standard examination-based journeyman credential with approved qualification requirements.
Class B Journeyman Electrician Individual Separate classification with historical and statutory qualification requirements.
Residential Electrician Individual Electrical work within the specified residential scope.
Residential Master Electrician Individual Separate residential-level advanced credential.
Class A Master Electrician Individual Advanced electrical qualification with separate examination requirements.
Class B Master Electrician Individual Separate classification under Iowa law.
Electrical Contractor Business Requires a qualifying Master Electrician relationship and contractor registration.
Residential Electrical Contractor Business Business classification for qualifying residential electrical contracting.
Journeyman PSI Exam Examination 80 scored questions, 180 minutes, 70% passing.
Master PSI Exam Examination 100 scored questions, 240 minutes, 70% passing.
Residential Electrician PSI Exam Examination 50 scored questions, 120 minutes, 70% passing.
Current Exam NEC Reference 2023 NEC or 2023 NEC Handbook.
Current Iowa Code Construction 2023 NEC subject to HF2800 provisions.

Iowa Journeyman Electrician Licensing Requirements

Class A Training Path

Registered Apprenticeship and Experience

  • Registered apprenticeship training.
  • Four years qualifying apprentice experience under the standard pathway.
  • Approved educational documentation.
  • Electrical work experience records.
  • Board application.
  • Testing sponsorship.
  • Approved examination.
  • 70% or higher passing result.
  • Final state license issuance.

Official PSI Examination

80 Scored Questions and 180 Minutes

  • Iowa Journeyman Electrician exam.
  • 80 scored questions.
  • 8 unscored questions.
  • 180 minutes scored time.
  • 30 extra minutes for unscored items.
  • 70% passing standard.
  • 2023 NEC reference.
  • Open-book format.
  • Seven subject categories.
  • Board approval before scheduling.

Important: Iowa determines whether an applicant meets the relevant licensing pathway.

Examination preparation: Does not replace approved apprenticeship, experience, sponsorship, or the licensing application.

Six-Week Iowa Journeyman Electrician Exam Prep Plan

This study plan follows the current PSI seven-category blueprint and emphasizes repeated practice with the approved 2023 NEC.

Week 1

Electrical Theory and NEC Navigation

  • Read the PSI candidate bulletin.
  • Prepare the approved 2023 NEC.
  • Review Article 100 definitions.
  • Study Ohm's law.
  • Practice electrical power formulas.
  • Learn series and parallel circuits.
  • Complete a diagnostic practice exam.
Week 2

Wiring and Protection

  • Study branch circuits.
  • Review feeders and services.
  • Practice load calculations.
  • Study grounding and bonding.
  • Review overcurrent protection.
  • Practice conductor sizing.
  • Complete NEC lookup drills.
Week 3

Wiring Methods and Materials

  • Review conductor insulation.
  • Study conductor ampacity.
  • Practice correction factors.
  • Review wiring methods.
  • Study raceway fill.
  • Practice box fill.
  • Review cable installations.
Week 4

Equipment for General Use

  • Study motors and controllers.
  • Review motor protection.
  • Practice motor calculations.
  • Study transformers.
  • Review generators.
  • Study appliances and lighting.
  • Complete equipment practice questions.
Week 5

Special Occupancies and Systems

  • Study special occupancies.
  • Review hazardous locations.
  • Study special equipment.
  • Review EV charging concepts.
  • Study emergency systems.
  • Review standby systems.
  • Practice smaller exam categories.
Week 6

Full PSI Exam Practice

  • Complete 80-question practice exams.
  • Use a 180-minute timer.
  • Practice with the approved 2023 NEC.
  • Review missed questions.
  • Repeat electrical calculations.
  • Confirm permitted exam materials.
  • Prepare identification and appointment details.

How Hard Is the Iowa Journeyman Electrician Exam?

The Iowa Journeyman Electrician examination can be challenging because it covers many electrical subjects under a timed, open-book format.

Some candidates have years of field experience but limited experience taking computer-based examinations.

Other candidates are comfortable with classroom calculations but need practice interpreting real installation situations.

The test requires both technical knowledge and the ability to use the NEC efficiently.

The current PSI examination contains 80 scored questions with 180 minutes allowed for those questions.

It also contains 8 unscored questions and provides 30 additional minutes.

The passing score is 70%.

That means the candidate needs 56 correct scored answers.

A large part of the examination focuses on Wiring and Protection.

This category accounts for 25% of the published weighting.

Students should become comfortable with branch circuits, feeders, services, grounding, bonding, and protective devices.

Wiring Methods and Materials accounts for another 19%.

That category involves cables, conductors, raceways, boxes, and installation methods.

Equipment for General Use also represents 19%.

It includes motors, transformers, lighting, appliances, and other commonly installed equipment.

These three categories represent 63% of the examination weighting.

They deserve substantial study time.

However, the remaining subjects should not be overlooked.

General Electrical Knowledge includes theory and calculations.

Special Occupancies includes installations that may use extra NEC requirements.

Special Equipment and Special Conditions contain technical rules that may not be familiar to every electrician.

One of the biggest examination challenges is codebook navigation.

Having an open-book test does not mean a candidate can quickly find every answer.

The 2023 NEC contains many articles, tables, definitions, exceptions, and detailed installation requirements.

A student who knows where a rule is located can usually work more efficiently than someone searching randomly.

That is why repeated code lookups matter.

Electrical calculations are another important area.

Students should practice identifying which formula or code table applies to a problem.

For example, conductor sizing may require reviewing ampacity tables and other limitations.

Motor circuits may require separate calculations for different kinds of protection.

Raceway fill and box fill require correct table use.

Service and feeder calculations depend on accurately applying the relevant conditions.

The Iowa Journeyman Practice Exam and Flash Card Combo can support repeated topic review.

Students who prefer printed code study can use the Iowa Study Guide and NEC Combo.

Because these packages use the 2026 NEC, students should verify examination-specific answers using the approved 2023 NEC.

Successful preparation involves understanding why an answer is correct, not simply memorizing the position of an answer choice.

Use a study schedule, review missed questions, and practice under realistic time limits.

This helps develop better habits before exam day.

Iowa Journeyman Electrician PSI Exam Day Checklist

Do These Things

  • Confirm your PSI appointment.
  • Review the current candidate bulletin.
  • Bring valid photo identification.
  • Arrive at least 30 minutes early.
  • Bring an approved 2023 NEC reference.
  • Check compliant permanent tabs.
  • Review calculator restrictions.
  • Know the 180-minute scored time.
  • Remember the 70% passing requirement.
  • Practice reading NEC exceptions.
  • Check electrical calculation units.
  • Review unanswered items if time allows.

Avoid These Mistakes

  • Bringing the 2026 NEC as your exam reference.
  • Bringing Ugly's Electrical References.
  • Using removable tabs.
  • Bringing additional paper.
  • Writing inside your reference.
  • Arriving without identification.
  • Missing your appointment time.
  • Confusing scored and unscored questions.
  • Using an unauthorized calculator.
  • Ignoring smaller NEC topics.
  • Spending too long searching the codebook.
  • Assuming passage automatically issues a license.

Iowa Journeyman Electrician Exam Prep Products from Contractor Exam Preps

Contractor Exam Preps offers Iowa-focused study products and general Journeyman Electrician resources.

These current products use the 2026 NEC, so they should be treated as supplemental education for Iowa's present 2023 NEC examination.

2026 Iowa Journeyman Electrician Study Guide and Flash Card Combo

Practice Exams and Active Recall

  • Iowa Journeyman Electrician Exam Prep Study Guide.
  • 12 practice examinations.
  • 2 full final examinations.
  • 2026 Journeyman Electrician Flash Cards.
  • General electrical knowledge.
  • Electrical calculations.
  • Wiring and protection.
  • Grounding and bonding.
  • Raceways and conductors.
  • Motors and transformers.
  • Special NEC topics.
  • Repeated exam-style practice.
  • Supplemental 2026 NEC review.

View Iowa Practice Exam and Flash Card Combo

2026 Journeyman Electrician Study Guide and National Electrical Code Combo

General Electrical Exam Preparation

  • 2026 Journeyman Electrician Study Guide.
  • National Electrical Code 2026 paperback.
  • 12 open-book practice exams.
  • 2 complete final exams.
  • Electrical code review.
  • Conductor sizing.
  • Grounding and bonding.
  • Load calculations.
  • Overcurrent protection.
  • Motor controls.
  • Wiring methods.
  • General journeyman exam preparation.
  • Not an Iowa-specific product.

View General Journeyman Electrician Combo

Best Iowa-specific printed option: Iowa Study Guide and NEC Combo.

Best Iowa-specific practice option: Iowa Practice Exams and Flash Cards Combo.

General electrical review: Journeyman Electrician Study Guide and NEC Combo.

Critical exam reminder: The current Iowa PSI examination permits a 2023 NEC or 2023 NEC Handbook, not the newer 2026 NEC included in these retail products.

Product details: Verify current editions, included materials, availability, and pricing before purchase.

IOWA JOURNEYMAN ELECTRICIAN ELECTRICAL EXAM PREP CLASS A • NEC EXAM PREP Educational illustration • Not a state-issued license View Iowa Journeyman Electrician Study Books from Contractor Exam Preps

The credential above is an educational illustration. The linked product photo is loaded directly from the actual ContractorExamPreps.com Iowa Journeyman Electrician product listing.

Iowa Journeyman Electrician Exam Prep Credential

This Iowa-themed educational credential features a state silhouette, lightning bolt, electrical panelboard, and circuit breakers.

It represents preparation for the Iowa Class A Journeyman Electrician examination.

The matching product image comes directly from the Contractor Exam Preps Iowa Journeyman Electrician Study Guide and NEC Combo product listing.

• Iowa Electrical Examining Board

• Iowa DIAL

• Class A Journeyman Electrician

• PSI Services LLC

• 80 Scored Questions

• 180-Minute Scored Exam

• 8 Unscored Questions

• 30 Additional Minutes

• 70% Passing Score

• Open-Book Exam

• 2023 NEC Reference

• 2023 NEC Handbook Alternative

• Electrical Theory

• Ohm's Law

• Voltage and Current

• Electrical Power

• Branch Circuits

• Services and Feeders

• Load Calculations

• Wiring and Protection

• Overcurrent Protection

• Grounding and Bonding

• Conductors and Cables

• Conductor Ampacity

• Raceway Fill

• Box Fill

• Wiring Methods and Materials

• Motors and Transformers

• Equipment for General Use

• Lighting and Appliances

• Special Occupancies

• Special Equipment

• Special Conditions

• Electrical Safety

• NEC Index Navigation

• Permitted Permanent Tabs

• Timed Practice Exams

• Approved Apprenticeship Training

• Board Testing Sponsorship

• Iowa License Application

• Future Master Electrician Advancement

• Separate Electrical Contractor Licensing

Prepare with electrical study guides, NEC navigation practice, calculations, and official Iowa exam information.

Explore Iowa Journeyman Electrician NEC Combo

Frequently Asked Questions

Iowa Journeyman Electrician Licensing

Yes. Iowa has statewide electrical licensing administered by the Iowa Electrical Examining Board within DIAL.

The standard examination-based credential is Class A Journeyman Electrician.

Yes. Class B Journeyman Electrician is a separate classification with different statutory qualifications.

The traditional Class A pathway involves a registered apprenticeship program and qualifying work experience. Iowa also recognizes certain alternative training and qualification pathways under Board rules.

Four years of qualifying experience as an apprentice electrician under the standard pathway.

Iowa recognizes certain approved technical education programs and routes. Applicants should verify the current qualification requirements for their specific program.

Iowa has reciprocal agreements and other qualification provisions. Applicants must meet the applicable conditions and provide official documentation.

PSI Journeyman Electrician Exam

PSI Services LLC administers the state-approved examination.

80 scored questions.

180 minutes, or three hours.

Yes. The current bulletin lists eight unscored questions and 30 additional minutes.

70%, equivalent to 56 of the 80 scored questions.

Yes. Candidates may use the approved 2023 NEC or 2023 NEC Handbook under PSI's reference rules.

Yes. Candidates must submit the applicable Board application and testing sponsorship request before PSI scheduling.

The current PSI bulletin states that the authorization letter is valid for two examination attempts or six months.

The current candidate bulletin lists an $87 examination fee, subject to change.

NEC References and 2026 Iowa Code Changes

The 2023 National Electrical Code is the current approved reference.

Yes. The current PSI bulletin identifies the 2023 NEC Handbook as an approved alternative.

The 2026 NEC is not listed as an approved examination reference in the current Iowa bulletin. Use the approved 2023 edition unless PSI updates its rules.

House File 2800 removed prior state electrical code amendments and established the 2023 NEC as the enforcement standard, subject to the exclusions and provisions contained in HF2800.

Newer retail products support current-code education and electrical study. The PSI examination still identifies the 2023 NEC as the approved code reference.

No. The current Iowa PSI bulletin specifically lists Ugly's Electrical References as not permitted in the examination center.

Yes. Pre-exam highlighting and underlining are permitted under the published rules.

Yes. Tabs must be permanent and satisfy PSI's requirements.

No. Removable markers such as Post-it tabs are prohibited.

No. The current PSI bulletin prohibits writing in the reference before or during the examination.

Electrical Subjects and Calculations

Wiring and Protection, representing 25% of the published exam weighting.

19% of the published examination weighting.

19% of the published examination weighting.

Yes. Grounding and bonding are important concepts within Wiring and Protection.

Yes. Candidates should prepare for electrical formulas, loads, conductor sizing, raceway fill, box fill, and related code applications.

Yes. They are important examples of equipment covered in journeyman-level technical review.

Yes. Special Occupancies accounts for 13% of the published outline.

The official percentages are rounded. The examination still contains 80 scored questions.

Career Advancement and Contractor Licensing

Yes. Iowa offers Master Electrician classifications with separate qualification and examination requirements.

No. Iowa Electrical Contractor licensing and contractor registration have separate requirements involving a qualifying Master Electrician relationship.

No. The current PSI Master examination contains 100 scored questions and allows 240 minutes for the scored portion, while the Journeyman exam contains 80 scored questions and allows 180 minutes.

Contractor Exam Preps Products

Yes. The store offers an Iowa Journeyman Electrician Study Guide and a 2026 NEC Combo with Tabs.

Yes. The Iowa product includes twelve practice exams, two full final exams, and 2026 NEC-based flash cards.

Yes. A general 2026 Journeyman Electrician Study Guide and NEC Combo is also available, but it is not Iowa-specific.

No. Candidates must independently satisfy Iowa's qualifications, examination, sponsorship, and licensing requirements.

Watch: 2026 Journeyman Electrician Exam Prep by 1ExamPrep

Watch this related 1ExamPrep YouTube video for general Journeyman Electrician examination preparation, electrical calculations, NEC navigation, and test-taking strategies.

The video discusses 2026 NEC study concepts. Iowa's current PSI examination requires the approved 2023 NEC or 2023 NEC Handbook, so use the video's preparation techniques while following Iowa's specific exam rules.

Video: 2026 Journeyman Electrician Exam Prep License Study Guide.

Creator: 1ExamPrep.

Related subjects: Electrical theory, NEC navigation, study organization, calculations, wiring methods, grounding, and bonding.

Iowa exam: 80 scored questions, 180 minutes, 70% passing.

Important Iowa reference: 2023 NEC or 2023 NEC Handbook.

Watch the 1ExamPrep Journeyman Electrician Video on YouTube

Iowa Journeyman Electrician Books, Study Guides and Official Resources

Use these real Contractor Exam Preps study products and official Iowa licensing and examination resources when planning your preparation.

State: Iowa.

Primary journeyman exam: Class A Journeyman Electrician.

Exam provider: PSI.

Scored questions: 80.

Time: 180 minutes for scored questions, plus 30 minutes for 8 unscored items.

Passing score: 70%.

Exam reference: 2023 NEC or 2023 NEC Handbook.

Current Iowa code: 2023 NEC subject to HF2800.

Store study products: 2026 NEC-based educational packages.

Ready for Iowa Journeyman Electrician Contractor Exam Prep?

Preparing for the Iowa Journeyman Electrician examination is an important step for electrical professionals who want to advance their licensing qualifications.

Iowa has a statewide electrical licensing program administered by the Iowa Electrical Examining Board within the Department of Inspections, Appeals, and Licensing.

The standard examination-based journeyman credential is the Class A Journeyman Electrician license.

For many applicants, the pathway involves a registered electrical apprenticeship program and qualifying work experience.

A common Class A pathway includes four years of apprentice experience, the completion of approved training, and a passing examination result.

Iowa also recognizes certain alternative education, licensing, and experience pathways under its rules.

Applicants should review the official licensing requirements to determine which pathway applies to their background.

Before scheduling the examination, candidates must obtain authorization through the Iowa Electrical Examining Board.

The process involves the required application and testing sponsorship request.

After approval, the candidate schedules the examination through PSI.

The current PSI Journeyman Electrician examination contains 80 scored questions.

Candidates have 180 minutes for the scored portion.

The examination also includes 8 additional unscored questions, with 30 extra minutes provided.

The passing score is 70%.

That means 56 of the 80 scored questions must be answered correctly.

Iowa's examination is open book.

However, only approved reference materials can be taken into the testing center.

The current PSI bulletin permits the 2023 National Electrical Code or the 2023 National Electrical Code Handbook.

Ugly's Electrical References is not permitted inside the exam center.

Permanent indexing, highlighting, and underlining are allowed within the published rules, but written notes and temporary tabs are prohibited.

Students should prepare the correct NEC edition well before the examination.

Practicing with an approved reference helps build faster code navigation skills.

Iowa's electrical construction requirements also changed in 2026.

House File 2800 became effective June 2, 2026.

The legislation removed prior Iowa electrical code amendments and established the 2023 NEC as the enforcement basis, subject to the provisions contained within the new law.

The 2023 NEC remains the relevant code until Iowa adopts a newer edition.

This is an important distinction because Contractor Exam Preps offers newer study packages based on the 2026 NEC.

Those products can provide useful supplemental preparation, but the 2026 NEC is not currently identified as an approved Iowa PSI examination reference.

Students should use the 2023 NEC for examination-specific practice and treat 2026 NEC materials as additional educational tools.

The official Journeyman Electrician examination covers seven technical categories.

Wiring and Protection represents 25% of the published blueprint.

Wiring Methods and Materials represents 19%.

Equipment for General Use also represents 19%.

Together, these three categories account for 63% of the examination weighting.

Other categories include General Electrical Knowledge, Special Occupancies, Special Equipment, and Special Conditions.

Each category matters because every scored question can contribute to a passing result.

Students should practice electrical theory, Ohm's law, power relationships, services, feeders, branch circuits, grounding, bonding, overcurrent protection, conductors, raceways, motors, and transformers.

Electrical calculations deserve consistent attention.

Load calculations, conductor sizing, box fill, raceway fill, and motor problems can require several steps.

Understanding the correct formula is useful, but it is also important to recognize the correct NEC requirement.

An organized study plan can help students learn both skills.

Contractor Exam Preps offers the 2026 Iowa Journeyman Electrician Study Guide and NEC Combo with Tabs for focused printed review.

The package combines an Iowa-focused study guide with a 2026 NEC paperback for code navigation practice and supplemental study.

Another option is the Iowa Journeyman Electrician Practice Exam and Flash Card Combo.

That product includes twelve practice exams, two full final exams, and 2026 NEC-based flash cards.

These materials can help students organize their preparation and review important electrical concepts repeatedly.

The store also offers a General Journeyman Electrician Study Guide and NEC Combo for broader electrical code study.

Whichever materials are selected, candidates should compare examination-specific answers with the approved 2023 NEC.

A six-week preparation schedule can provide useful structure.

Begin with electrical theory and code navigation.

Continue with wiring and protection, wiring methods, and equipment.

Then review special occupancies, special equipment, special conditions, and calculations.

During the final week, complete timed 80-question practice examinations using an approved 2023 NEC reference.

Review incorrect answers carefully and repeat difficult code lookups until the process becomes more familiar.

After passing the examination, applicants must complete the Iowa Board licensing process.

Passing the exam does not automatically create an Electrical Contractor business license.

Iowa separately regulates Master Electricians and electrical contracting businesses.

Anyone planning to operate an independent electrical contracting company should review those additional licensing and registration requirements.

With qualifying training, the correct codebook, strong electrical calculations, repeated practice exams, and an organized study plan, candidates can prepare more effectively for the Iowa Journeyman Electrician examination.

The goal is not simply to memorize a set of answers.

It is to build the electrical knowledge and code navigation skills needed for safe, competent work in the trade.

Find Iowa electrical study guides, NEC books, flash cards, and contractor examination preparation at ContractorExamPreps.com.