Important Washington licensing fact: the Master Electrician certificate is an individual electrical certification. It is not automatically an electrical contractor business license. However, a Master Electrician may be assigned as the designated master electrician for an electrical contractor, accepting responsibility to help ensure that the contractor complies with Washington electrical laws and rules.
What Is the Washington Master Electrician Certificate?
Washington offers two levels of Master Electrician certification: general journey level master electrician and specialty master electrician. This page focuses on the 01-General Master Electrician path and examination.
To qualify for the general journey level Master Electrician examination, L&I currently requires the applicant to have been certified as a general journey level electrician in Washington for at least four years. A specialty Master Electrician applicant must generally have held the applicable Washington specialty electrician certificate for at least two years.
When you pass the Master Electrician examination, the Master certificate replaces your existing electrician certificate for the same certification. Washington does not allow you to carry both an electrician and Master Electrician certificate for that same certification at the same time.
Licensing authority: Washington State Department of Labor & Industries.
Testing provider: PSI.
Page focus: 01-General Master Electrician.
Exam sections: NEC & Theory, WA Codes, Major Load Calculations.
NEC & Theory: 80 questions, 4 hours.
WA Codes: 20 questions, 1 hour.
Major Load Calculations: 10 questions, 2 hours.
Passing score: 70% on each required section.
Format: open book.
Current PSI code basis: 2020 National Electrical Code.
Washington law and rule basis: RCW 19.28 and WAC 296-46B.
General Master eligibility: at least 4 years as a Washington general journey level electrician.
For an exam-specific package built around the current PSI-listed NEC cycle, review the Washington 2020 Master Electrician Exam Prep Package .
Washington General Master Electrician Licensing Path
The Washington Master path moves from qualifying electrician certification to L&I approval, PSI testing, Master certification, and continuing education.
| Step | Requirement | What to Verify |
|---|---|---|
| Hold Washington Journey-Level Certification | L&I | For 01-General Master eligibility, hold an active Washington general journey level electrician certificate for at least 4 years |
| Choose General Master | 01-General | Confirm you are applying for the general journey level Master Electrician examination rather than a specialty master exam |
| Apply to L&I | Master Exam Application | Submit the current application, identification information, certification history, and required fees |
| Receive L&I Approval | Pre-Approval | Do not schedule with PSI until L&I sends the examination approval instructions |
| Prepare the NEC & Theory Section | PSI | 80 questions, 4 hours, NEC application, theory, and general trade knowledge |
| Prepare the WA Codes Section | PSI | 20 questions, 1 hour, RCW 19.28 and WAC 296-46B |
| Prepare Major Load Calculations | PSI | 10 questions, 2 hours, multi-step electrical load calculations |
| Pass Every Required Section | 70% Minimum | Each examination section must be passed at 70% or higher |
| Finish Within the Exam Period | Washington Rules | Master exam sections must be successfully completed within the applicable one-year examination period after approval |
| Renew the Master Certificate | Every 3 Years | Complete 24 hours of approved continuing education, including 8 hours of code update and 4 hours of RCW/WAC review |
Washington Master Electrician 2026 Exam and Certification Snapshot
Use Washington L&I, the current PSI Candidate Information Bulletin, RCW 19.28, and WAC 296-46B as the final authority for eligibility, exam sections, code editions, testing rules, fees, and renewal.
| Verified Point | Authority | Current Result |
|---|---|---|
| Certification authority | Washington L&I | Department of Labor & Industries Electrical Program |
| Testing provider | Washington L&I | PSI |
| General Master eligibility | Washington L&I | At least 4 years as a Washington general journey level electrician |
| Specialty Master eligibility | Washington L&I | At least 2 years in the applicable Washington specialty |
| NEC & Theory | Current PSI Outline | 80 questions, 4 hours |
| WA Codes | Current PSI Outline | 20 questions, 1 hour |
| Major Load Calculations | Current PSI Outline | 10 questions, 2 hours |
| Passing score | Washington L&I / PSI | 70% on each required section |
| Exam format | Current PSI Bulletin | Open book |
| Current PSI NEC basis | Current PSI Bulletin | 2020 National Electrical Code |
| Current Washington installation NEC | Washington L&I | 2023 NEC as of October 2026 |
| 2026 NEC state effective date | Washington L&I | Scheduled to replace the 2023 NEC on December 31, 2026 |
| State law / rule basis | PSI Bulletin | RCW 19.28 and WAC 296-46B |
| Exam completion period | WAC 296-46B-960 | Required Master exam sections must be passed within the one-year examination period after approval |
| Renewal cycle | Washington L&I | Every 3 years, expiring on the certificate holder's birthdate |
| Continuing education | Washington L&I | 24 hours total, including at least 8 hours of code update and 4 hours of RCW/WAC review |
October 2026 code-cycle warning: Washington currently enforces the 2023 NEC for electrical installations, but PSI's current exam bulletin still says exam code questions are based on the 2020 NEC. The 2026 NEC is scheduled to become Washington's installation code on December 31, 2026, and L&I has said examinations will be updated later. Always check the newest PSI bulletin before ordering final exam-room references.
Washington 01-General Master Electrician Exam Breakdown
Washington's general Master Electrician exam is not one giant block. It is divided into NEC & Theory, WA Codes, and Major Load Calculations. Each section has its own time limit and must be passed.
The NEC & Theory section contains approximately 80 questions and allows 4 hours. The largest published NEC category is Wiring Methods with approximately 11 questions.
Overcurrent Protection and Grounding & Bonding contain approximately 7 questions each. Services, Motors/HVAC/Generators/Transformers, and Special Occupancies contain about 5 questions each. General Trade Knowledge & Theory adds approximately 12 questions inside the NEC & Theory section.
The WA Codes section contains approximately 20 questions and allows 1 hour. This section is based on Washington electrical laws and rules, especially RCW 19.28 and WAC 296-46B.
The Major Load Calculations section contains approximately 10 questions and allows 2 hours. That time allowance tells you something important: these are not intended to be two-minute arithmetic warmups. Practice full, organized, multi-step calculations.
Primary SEO Target Washington Master Electrician Contractor Exam Prep
Page Exam Focus 01-General Master Electrician
Certification Authority Washington State Department of Labor & Industries
Testing Provider PSI
NEC & Theory 80 questions • 4 hours
WA Codes 20 questions • 1 hour
Major Load Calculations 10 questions • 2 hours
Total Scored Questions Approximately 110 across three sections
Passing Score 70% on each required section
Format Computer based • Open book
Current PSI NEC Basis National Electrical Code, 2020
Washington Law / Rule References RCW 19.28 • WAC 296-46B
General Master Experience At least 4 years as a Washington general journey level electrician
Renewal Every 3 years • 24 hours continuing education
Contractor Assignment A Master Electrician may be assigned as the designated master electrician for an electrical contractor
Exam-Matched Prep View Washington 2020 Master Electrician Exam Prep
How to Study for the Washington Master Electrician Exam
Study the three sections as three related but different exams. The same electrician may be great at NEC navigation, slower with Washington law, and rusty on long load calculations. Your study plan should expose those differences before PSI does.
NEC & Theory: practice article navigation, definitions, services, overcurrent protection, grounding, wiring methods, motors, equipment, special occupancies, communications, and electrical theory.
WA Codes: study RCW 19.28 and WAC 296-46B as their own subject. Know certification, contractor responsibilities, permits, inspection, supervision, work scopes, rules, and state-specific electrical requirements.
Major Load Calculations: practice service and feeder loads, dwelling and non-dwelling calculations, demand factors, motors, equipment, neutral loads, continuous loads, and multi-step code-table work.
Open-book speed: learn where the answer should live before you start flipping pages. Open book helps only when your books are organized and familiar.
Current-code awareness: separate exam preparation from field-code updates. As of October 2026, Washington installations use the 2023 NEC, while the current PSI bulletin still bases exam questions on the 2020 NEC.
For the current exam-basis package, review the Washington 2020 Master Electrician Exam Prep Package .
NEC, Washington Code, Theory, and Load Calculation Strategy
The Washington Master exam rewards candidates who can switch mental gears. One section asks you to navigate the NEC and apply theory. Another asks for Washington law and rule knowledge. Another gives you enough time to discover exactly how expensive one missing demand factor can be.
Washington 01-General Master preparation for NEC application, state laws and rules, theory, and major calculations.
- Separate your references: organize the NEC, RCW 19.28, WAC 296-46B, and theory/calculation materials so each section has a clear home
- Build first-stop instincts: identify the article family, Washington rule source, or calculation method before opening anything
- Practice tables: ampacity, grounding, motors, Chapter 9, demand factors, and load tables should be familiar under time pressure
- Use the Washington section deliberately: twenty law-and-rule questions in one hour leaves about three minutes per question
- Slow down for calculations: ten Major Load Calculation questions receive two hours, so organize your work and check each step
- Read exceptions and notes: Master questions often turn on the line immediately below the rule you found
- Track the code transition: do not assume Washington's field code and PSI's exam code have updated on the same day
Your Washington General Master Electrician Roadmap
Move from four years of Washington journey-level certification through L&I approval, three-section PSI testing, Master certification, contractor assignment when applicable, and renewal.
1
Build the required Washington journey-level history
For the 01-General Master path, hold an active Washington general journey level electrician certificate for at least four years.
2
Apply for the Master Electrician examination
Submit the current L&I Master Electrician examination application, required identifying information, certificate details, and current fees.
3
Wait for L&I approval
L&I reviews eligibility and sends examination scheduling instructions after approval.
4
Prepare the NEC & Theory section
Train for approximately 80 questions in four hours, with strong emphasis on code application, theory, wiring methods, protection, grounding, services, and equipment.
5
Prepare the WA Codes section
Study RCW 19.28 and WAC 296-46B for the approximately 20-question, one-hour Washington law and rule section.
6
Prepare the Major Load Calculations section
Practice multi-step calculations for the approximately 10-question, two-hour calculation section.
7
Pass all required sections within the exam period
Earn at least 70 percent on each required section and complete the required sections within the one-year examination period.
8
Maintain the Master certificate
Renew every three years and complete 24 approved CE hours, including the required code-update and RCW/WAC hours.
Washington 01-General Master Electrician Topic Weighting
The current PSI outline totals approximately 110 scored questions across the three Master sections. The bars compare each published knowledge area with the 20-question Washington Laws & Rules section.
Washington Laws & Rules (RCW & WAC) 20 questions
General Trade Knowledge & Theory 12 questions
NEC 300-398 - Wiring Methods 11 questions
Major Load Calculations 10 questions
NEC 240 - Overcurrent Protection 7 questions
NEC 250 - Grounding & Bonding 7 questions
NEC 230 - Services 5 questions
NEC 430-450 - Motors, HVAC, Generators & Transformers 5 questions
NEC 517-590 - Special Occupancies 5 questions
NEC 100-110 - General Requirements 4 questions
NEC 400-427, 455-480 - Electrical Equipment 4 questions
NEC 500-516 - Hazardous Locations 4 questions
NEC 600-695 - Special Equipment 4 questions
NEC 200-225, 280-285 - Wiring & Protection 3 questions
NEC 700-702 - Emergency & Standby Systems 3 questions
NEC 90 - Introduction 2 questions
NEC 705-780 - Special Conditions 2 questions
NEC 490 - Equipment Over 600 Volts 1 question
NEC 800-830 - Communication Systems 1 question
Big study targets: Washington Laws & Rules contains about 20 questions, General Trade Knowledge & Theory about 12, Wiring Methods about 11, and Major Load Calculations about 10. Those four areas alone total approximately 53 questions across the three sections.
Washington Master Electrician Exam References
Washington electrical examinations are open book. The current PSI bulletin allows original copyrighted materials, printed Washington RCW/WAC copies prepared under the bulletin's rules, and an approved silent, nonprinting, nonprogrammable calculator.
| Reference | Primary Study Use | Preparation Focus |
|---|---|---|
| National Electrical Code, 2020 | Current PSI exam basis for code questions, including services, protection, grounding, wiring methods, equipment, motors, occupancies, special systems, and communications | NEC & Theory |
| RCW 19.28 - Electricians and Electrical Installations | Washington electrical law, certification, contractor responsibilities, and statutory requirements | WA Codes |
| WAC 296-46B - Electrical Safety Standards, Administration, and Installation | Washington rules for electrical installation, certification, licensing, examinations, supervision, permits, inspection, and administration | WA Codes |
| Electrical Theory and Calculation References | General math, electrical theory, formulas, motors, transformers, load calculations, conductor sizing, voltage drop, and problem-solving | Theory and Major Load Calculations |
Current-code versus exam-code reminder: the 2023 Washington Master Electrician Study Guide + NEC Combo can support current Washington installation-code study, while the present PSI bulletin still identifies the 2020 NEC as its exam basis. The 2026 Washington Master Electrician Ultimate Combo can support future-code study, but Washington's 2026 NEC state effective date is scheduled for December 31, 2026, and L&I says examinations will be updated later.
How to Prepare for the Open-Book Washington Master Electrician Exam
Build these exam-prep habits
- Practice with the 2020 NEC when matching the current PSI exam basis
- Keep RCW 19.28 and WAC 296-46B organized for the WA Codes section
- Use permitted permanent tabs before testing
- Highlight and underline copyrighted references before the exam when permitted
- Practice electrical theory without relying on random page searches
- Write major-load calculations in a clean repeatable sequence
- Run separate timed drills for all three exam sections
- Review every missed answer in the controlling reference
Avoid these exam-prep mistakes
- Assuming Washington's field-code edition automatically equals PSI's exam-code edition
- Using removable sticky notes or repositionable tabs
- Writing personal notes in exam references
- Bringing photocopies of copyrighted materials
- Ignoring the one-hour Washington Codes section
- Trying to do long load calculations mentally
- Studying the NEC but not RCW/WAC
- Waiting until test day to learn your calculator and tables
Current PSI reference rules: Washington examinations are open book. Original copyrighted material is allowed. Copies of RCW/WAC downloaded from the internet may be used when prepared as required by the bulletin. Copyrighted material may be highlighted, underlined, and permanently tabbed before entering the exam area. Removable notes are not allowed, and references may not be written in.
What Can a Washington Master Electrician Do?
A Washington Master Electrician is an individual who has met the state's experience requirement and passed the required Master examination for the applicable certification. The certificate authorizes electrical work within the certification's scope throughout Washington, subject to the state's electrical laws and rules.
A general journey level Master Electrician is tied to the broad 01-General scope. Washington also offers specialty Master Electrician certificates for narrower specialty scopes.
A Master Electrician can also have an important contractor role. When a Master Electrician is assigned as the designated master electrician for an electrical contractor, the Master accepts responsibility to ensure that the contractor complies with applicable Washington electrical laws and rules.
Business-license distinction: the Master Electrician certificate is not itself an electrical contractor business license. The electrical contractor must separately meet Washington contractor licensing, bonding, insurance, assignment, and other business requirements.
Washington Electrical Credential Comparison
Washington separates electrician certificates, Master Electrician certificates, electrical administrator certificates, and electrical contractor business licensing.
| Credential | Main Purpose | Typical Qualification | Important Difference |
|---|---|---|---|
| Electrical Trainee | Build supervised electrical experience and classroom education | Training certificate, supervised work, and required education | Training status rather than independent electrician certification |
| 01-General Journey Level Electrician | Perform general electrical work within Washington certification rules | Meet current Washington journey-level experience, education, apprenticeship, and examination requirements | Four years at this certification level supports 01-General Master exam eligibility |
| 01-General Master Electrician | Highest general electrician certificate level and possible designated master role for a contractor | At least 4 years as a Washington general journey level electrician plus Master examination | May work with tools and may be assigned to satisfy contractor administrative responsibility |
| Electrical Administrator | Administrative responsibility for electrical contractor compliance | Pass the applicable administrator examination | Administrator does not receive electrician work privileges simply from the administrator certificate |
| Electrical Contractor | Operate the business that contracts for regulated electrical work | Separate contractor license, bonding, insurance, designated administrator or master, and business requirements | Business license rather than an individual competency certificate |
Washington Master Experience, Examination, and Renewal Requirements
General Master Eligibility
Four Years at Journey Level
- Hold active Washington 01-General journey level certification
- Maintain that general journey level certification for at least 4 years
- Apply to Washington L&I for Master examination approval
- Pay current application and PSI examination fees
- Schedule only after approval instructions are received
01-General Master Exam
Three Separately Scored Sections
- NEC & Theory: 80 questions, 4 hours
- WA Codes: 20 questions, 1 hour
- Major Load Calculations: 10 questions, 2 hours
- 70% minimum on every required section
- Open-book testing
- Current PSI NEC basis: 2020
- RCW 19.28 and WAC 296-46B
- Complete required sections within the exam period
Renewal + Contractor Role
Three-Year Certificate Cycle
- Renew Master certification every 3 years
- Certificate expires on the holder's birthdate
- Complete 24 approved CE hours
- At least 8 hours must cover code update
- At least 4 hours must cover RCW/WAC review
- Notify L&I of changes in master assignment status
- Separate contractor licensing requirements still apply to the business
Important timing rule: a candidate who passes one Master examination section does not have to retake that passed section during the applicable one-year exam period. The remaining required sections still need to be passed before that period expires.
Six-Week Washington Master Electrician Exam Prep Plan
Build NEC navigation, Washington law knowledge, electrical theory, calculation accuracy, and multi-section testing stamina.
Week 1
Exam Map + Washington Laws
- Verify the current PSI bulletin
- Organize NEC, RCW, and WAC references
- Study RCW 19.28
- Study WAC 296-46B
- Take baseline tests for all three sections
Week 2
Protection + Grounding + Services
- Services
- Overcurrent protection
- Grounding and bonding
- Wiring and protection
- Timed code lookups
Week 3
Wiring Methods + Equipment
- Wiring methods
- Electrical equipment
- Motors and transformers
- Equipment over 600 volts
- Chapter 9 and table drills
Week 4
Special Systems + Theory
- Hazardous locations
- Special occupancies
- Special equipment
- Emergency and standby systems
- Electrical theory and trade knowledge
Week 5
Major Load Calculations
- Service calculations
- Feeder calculations
- Demand factors
- Neutral and continuous loads
- Full two-hour calculation drills
Week 6
Three-Section Simulation
- 80-question NEC & Theory simulation
- 20-question WA Codes simulation
- 10-question Major Load Calculations simulation
- Review every missed reference
- Repair the weakest section first
How Hard Is the Washington Master Electrician Exam?
The Washington 01-General Master Electrician exam is challenging because it is really three different performance tests. You have to navigate the NEC, understand electrical theory, know Washington law and rules, and complete major calculations accurately.
The NEC & Theory section gives four hours for about 80 questions, or roughly three minutes per scored question. The WA Codes section gives one hour for 20 questions, also about three minutes per question.
The Major Load Calculations section is different. Ten questions receive two hours, or an average of twelve minutes each. That extra time is not a gift basket. It is a clue that Washington expects organized, multi-step calculation work.
The sectional passing rule also matters. A strong score in NEC & Theory does not erase a weak WA Codes score. You must reach the passing standard in each required section.
Strong candidates study by section, practice with the exact references, and treat Washington-specific law as a full exam subject rather than the appendix they promise themselves they will read "later."
Washington Master Electrician Exam Day Checklist
Do this
- Confirm the exact PSI sections on your approval and appointment
- Bring acceptable identification
- Bring only references permitted under the current bulletin
- Use original copyrighted materials rather than copied copyrighted pages
- Prepare permitted permanent tabs before testing
- Keep RCW/WAC materials organized in the allowed format
- Use an approved silent, nonprinting, nonprogrammable calculator
- Practice separate pacing for each exam section
- Show every step in your practice load calculations
- Review the current PSI bulletin immediately before test day
Do not do this
- Bring removable sticky notes
- Write personal notes in exam references
- Bring copied copyrighted reference material
- Assume the newest NEC product is automatically the current PSI exam basis
- Ignore Washington RCW/WAC
- Rush major-load calculations because the other sections move faster
- Schedule the wrong electrical examination
- Let the one-year exam period expire with sections unfinished
- Assume passing Master certification automatically licenses an electrical contracting business
Current exam-reference reminder: PSI's bulletin still identifies the 2020 NEC for exam code questions. Washington's field installation code is currently the 2023 NEC, and the 2026 NEC is scheduled to replace it on December 31, 2026. Check PSI before test day for any exam-code update.
Washington Master Electrician Exam Prep Options
Washington 2020 Master Exam Prep Package
Best Match for the Current PSI NEC Basis
- Washington Master Electrician focus
- 2020 NEC-based preparation
- Electrical theory
- Wiring methods
- State-specific amendments and rules
- Timed practice exams
- Test simulations
- Master-level calculations
2023 Washington Master Study Combo
Current Washington Installation-Code Study
- 2023 Washington Master Electrician Study Guide
- 2023 National Electrical Code
- NEC tabs
- Master-level code navigation
- Current Washington field-code familiarity
- Open-book practice
- Table and exception review
- Use PSI bulletin for final exam-code selection
2026 Washington Master Study Package
Future-Code and Long-Term Study
- 2026 Washington Master study guide
- 2026 NEC preparation
- Calculation study
- Flash cards
- Tabbed code-book options
- Online practice resources
- Useful for the upcoming code cycle
- Do not assume PSI has switched until officially updated
Want a current multi-tool study package? Review the 2026 Washington Master Electrician Super Combo .
Want practice-exam-focused study? Review the Washington 2026 Master Electrician Study Guide with Practice and Final Exams . Remember that the newest study code and the current PSI exam code are not necessarily the same thing.
Washington Master Electrician Exam Prep
This Washington-specific 1 Exam Prep image directly matches the Master Electrician exam-preparation topic and uses the 2020 NEC code cycle currently identified in the PSI bulletin for exam code questions.
• Washington 01-General Master Electrician preparation
• Washington L&I certification pathway
• PSI-administered examination
• NEC & Theory section
• Washington Codes section
• Major Load Calculations section
• 70% required on each section
• Open-book testing
• Current PSI 2020 NEC basis
• RCW 19.28 and WAC 296-46B preparation
• Master-level theory and calculation practice
Washington Master preparation requires three different kinds of confidence. Know the NEC, know the Washington rules, and know how to set up a major calculation without turning the scratch paper into an electrical crime scene.
Frequently Asked Questions
Washington Master Certification
The Washington State Department of Labor & Industries, commonly called L&I, administers Master Electrician certification.
Washington electrical licensing examinations are currently administered through PSI after L&I approves the candidate.
L&I currently requires at least four years of certification as a Washington general journey level electrician before qualifying for the general journey level Master Electrician examination.
L&I currently requires at least two years in the applicable Washington specialty before qualifying for a specialty Master Electrician examination.
Yes. L&I states that the Master Electrician certificate replaces the existing electrician certificate for the same certification.
01-General Master Exam
The current PSI outline lists three sections: NEC & Theory, WA Codes, and Major Load Calculations.
The current 01-General Master outline lists approximately 80 NEC & Theory questions with four hours allowed.
The current outline lists approximately 20 Washington Laws & Rules questions with one hour allowed.
The current outline lists approximately 10 Major Load Calculation questions with two hours allowed.
Washington requires a score of at least 70 percent on each required examination section.
Yes. The current PSI bulletin states that Washington electrical examinations are open book.
Exam Topics
Wiring Methods, covering NEC 300 through 398, is the largest individual NEC category in the current 01-General Master outline at approximately 11 questions.
The current outline lists approximately 7 questions for NEC 250 Grounding and Bonding.
The current outline lists approximately 7 questions for NEC 240 Overcurrent Protection.
Yes. The current outline lists approximately 12 General Trade Knowledge & Theory questions inside the NEC & Theory section.
Yes. Washington Laws & Rules is a separate 20-question section based primarily on RCW 19.28 and WAC 296-46B.
Code Editions and References
The current PSI bulletin states that law, rule, and code questions are based on RCW 19.28, WAC 296-46B, and the 2020 National Electrical Code.
As of October 2026, Washington L&I states that electrical installations are inspected using the 2023 NEC.
L&I states that the 2026 NEC is scheduled to replace the 2023 NEC in Washington on December 31, 2026.
Do not assume that. L&I has stated that examinations will be updated at a later date. Use the newest PSI bulletin as the final exam-code authority.
Yes. The current PSI bulletin allows permanent index tabs in copyrighted reference material before entering the exam area. Removable tabs are not permitted.
No. The current PSI bulletin states that references may not be written in.
Renewal and Contractor Role
L&I states that Master Electrician certificates renew every three years and expire on the certificate holder's birthdate.
Washington requires 24 hours of approved continuing education during the three-year renewal cycle.
At least 8 hours must cover changes in the currently adopted National Electrical Code.
At least 4 hours must cover RCW 19.28 and related WAC 296-46B material.
Yes. A Master Electrician may be assigned as the designated master electrician for an electrical contractor and accepts responsibility for helping ensure compliance with Washington electrical laws and rules.
No. The Master certificate is an individual certification. The electrical contractor business license is separate.
1 Exam Prep
Yes. 1 Exam Prep offers a Washington 2020 Master Electrician Exam Prep Package that aligns with the NEC edition currently listed in the PSI bulletin.
Yes. 1 Exam Prep offers a 2023 Washington Master Electrician Study Guide and NEC combo for current-code study and code-navigation practice.
Yes. 2026 NEC-based Washington Master study products are available. Use them for the upcoming code cycle and professional development, but verify the PSI exam code basis before using them as your final licensing-exam references.
Yes. 1 Exam Prep offers a Washington General Master Electrician book package focused on the general Master examination.
Watch: Washington Master Electrician Exam Prep from 1 Exam Prep
This 1 Exam Prep video is embedded from the Washington Master Electrician product page. Use it to reinforce exam-preparation strategy, code navigation, electrical review, open-book testing habits, and the broader Washington Master Electrician study process.
Washington Master study tip: use the video for strategy and reinforcement, then run separate practice for NEC & Theory, WA Codes, and Major Load Calculations. The sections reward different skills, and the passing score applies to each section individually.
Washington Master Electrician Contractor Exam Prep Resources
Combine current Washington L&I and PSI information with 1 Exam Prep study guides, calculation practice, NEC resources, Washington-specific preparation, and code-cycle materials.
Washington 2020 Master Exam Prep Package Washington General Master Book Package 2023 Washington Master Study + NEC Combo 2026 Washington Master Ultimate Combo 2026 Washington Master Super Combo Washington 2026 Master Study Guide Washington L&I Master Electrician Certificate Washington Electrical Examination Information Current PSI Candidate Bulletin Washington Electrical Laws, Rules & Policies RCW 19.28 WAC 296-46B Contact 1 Exam Prep
Final verification rule: use the newest PSI bulletin for exam sections, question counts, time limits, passing standards, reference rules, and the NEC edition used to write exam questions. Use Washington L&I, RCW 19.28, and WAC 296-46B for eligibility, certification, renewal, continuing education, contractor assignment, and current field-code requirements.
Ready for Washington Master Electrician Contractor Exam Prep?
Build faster NEC navigation, stronger Washington law and rule knowledge, better electrical theory, confidence with services, overcurrent protection, grounding, wiring methods, motors, special systems, and the major load calculations required for the Washington 01-General Master Electrician examination.
Questions? Call 877-775-9400
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Washington Master Electrician Exam Prep
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