Delaware Master Electrician • ProV • 80 Questions • 180 Minutes • 75% Passing
Prepare for the Delaware Master Electrician Exam with a practical study plan covering electrical theory, National Electrical Code requirements, services, feeders, grounding, bonding, conductor sizing, wiring methods, overcurrent protection, motors, controls, plan reading, and advanced electrical installations.
The official Delaware Master Electrician license is regulated by the Delaware Division of Professional Regulation and the Board of Electrical Examiners.
The licensing examination is administered by ProV. Delaware's published ProV Candidate Information Bulletin lists 80 questions and allows 180 minutes, or three hours.
To pass, candidates must earn at least 75%, equivalent to answering at least 60 of the 80 questions correctly.
The Delaware Master Electrician examination is open book. However, candidates must follow the testing provider's rules and use only approved reference materials.
Important codebook information: The June 2025 ProV bulletin identifies the 2020 National Electrical Code, American Electrician's Handbook, 17th Edition, and Ugly's Electrical References, 2020 as approved Master Electrician examination books.
Contractor Exam Preps also offers updated Delaware Master Electrician study materials based on the 2026 National Electrical Code. These packages support learning, calculations, and NEC navigation, but the 2026 NEC is not listed as an approved examination reference in the June 2025 bulletin.
Before your testing appointment, verify the latest reference-book list because Delaware's electrical code adoption and ProV examination requirements may change.
The 2026 Delaware Master Electrician Super Combo includes a Master Electrician Study Guide, electrical calculations workbook, 2026 NEC paperback with tabs, and Master Electrician flash cards.
Candidates who want a study package based on the code edition currently listed by ProV can explore the Delaware 2020 Master Electrician Study Guide and NEC Combo.
Delaware provides several qualification routes for Master Electrician licensing. Applicants without a recognized apprenticeship completion certificate generally need six years of full-time qualifying electrical experience, or four years under a Master Electrician plus two years of technical training.
Applicants who have completed an approved apprenticeship program may use their official completion certificate as the required experience documentation for the examination application.
Delaware also requires proof of at least $300,000 in general liability insurance before issuing a Master Electrician license. Applicants may take the examination before submitting that proof, but they cannot receive their license until the insurance requirement is met.
This guide covers Delaware Master Electrician licensing, examination format, experience requirements, official study topics, approved references, Contractor Exam Preps books, a six-week study plan, and practical test-taking strategies.
Important Delaware Master Electrician update: The published ProV Master Electrician examination contains 80 questions, allows 180 minutes, and requires 75% to pass. The June 2025 examination bulletin lists the 2020 NEC, American Electrician's Handbook, 17th Edition, and Ugly's Electrical References, 2020, as approved references. Newer 2026 NEC study packages are supplemental preparation unless ProV updates its official reference list. Delaware Master applicants generally qualify through an approved apprenticeship certificate, six years of qualifying experience, or four years under a Master Electrician plus two years of technical training. At least $300,000 in general liability insurance is required before license issuance.
A Delaware Master Electrician is an experienced electrical professional licensed by the state's Board of Electrical Examiners to plan, estimate, lay out, perform, or supervise electrical installations and repairs.
The Master Electrician credential is a higher-level electrical license that carries greater professional responsibility than an apprentice or journeyperson classification.
Under Delaware's definition, Master Electrician work includes electrical conductors, raceways, conduits, electrical equipment, machinery, devices, and fixtures used for lighting, heating, or power.
That can involve residential, commercial, and industrial electrical systems.
A Master Electrician must understand how electrical equipment works and how complete electrical systems should be designed, installed, maintained, and protected.
For example, sizing a feeder for a commercial installation involves more than selecting a conductor from a familiar table.
The electrician must consider electrical loads, conductor ampacity, installation conditions, equipment ratings, and the applicable National Electrical Code requirements.
Master Electricians may also need to evaluate electrical plans, circuit protection, grounding, bonding, transformers, motors, disconnecting means, and other system components.
These responsibilities help explain why the Delaware Master Electrician exam covers advanced technical knowledge.
The exam tests whether candidates understand electrical requirements well enough to apply them across different installations.
Delaware Master applicants must meet state education or experience qualifications before the Board authorizes examination.
Applicants who completed a recognized apprenticeship program may provide an official completion certificate instead of the individual employment history documentation normally required from other applicants.
Applicants without that certificate generally need six years of qualifying full-time electrical experience, or four years working under a Master Electrician plus two years of technical training documented by an official transcript.
Passing the ProV examination is an important step, but it does not automatically mean the state has issued a Master Electrician license.
Applicants must also complete Delaware's application process and satisfy the general liability insurance requirement.
The state requires at least $300,000 in insurance coverage, and the applicant's name must appear on the documentation. Employer coverage can qualify when the required conditions are met.
Official credential: Delaware Master Electrician.
State regulator: Delaware Division of Professional Regulation.
Licensing board: Board of Electrical Examiners.
Examination provider: ProV.
Experience option: Six years of qualifying full-time work.
Training option: Four years under a Master Electrician plus two years of technical training.
Insurance: At least $300,000 in general liability coverage.
Review the official Delaware Master Electrician licensing requirements.
Use these steps to organize your work experience, apprenticeship documentation, state application, ProV testing, and final license approval.
| Step | Requirement | What to Verify |
|---|---|---|
| Choose License Class | Master Electrician | Select Master rather than Journeyperson, Residential, Limited, or Master Special. |
| Choose Application Route | Exam or Reciprocity | Determine whether your existing license and qualifications support reciprocity. |
| Check Apprenticeship Certificate | Approved Completion | A qualifying apprenticeship certificate may satisfy the experience-documentation requirement. |
| Experience Route One | 6 Years | Document qualifying full-time electrical experience when applying without an approved certificate. |
| Experience Route Two | 4 Years Plus Training | Four years under a Master Electrician and two years of technical training. |
| Gather Employment Verification | Supervisor Documentation | Required forms must be submitted directly by the supervisor. |
| Gather Training Transcript | Official Records | Provide an official transcript if using the technical-training qualification route. |
| Submit DELPROS Application | Online Application | Submit correct license information, documents, and fees. |
| Allow Board Review | Exam Authorization | Delaware instructs examination applicants to submit supporting documentation at least 45 days before the scheduled test date. |
| Review ProV Bulletin | Official Exam Rules | Check the current format, references, testing procedures, and fees. |
| Prepare Reference Books | Approved Editions | The June 2025 bulletin identifies the 2020 NEC and two other specific references. |
| Study Ten Exam Categories | Master Blueprint | Review electrical knowledge, wiring, protection, equipment, motors, and specialty topics. |
| Pass ProV Examination | 80 Questions | Earn at least 75% within three hours. |
| Submit Insurance Proof | $300,000 Coverage | Insurance documentation must be accepted before license issuance. |
| Receive Delaware License | Final Approval | Complete any remaining state requirements before beginning licensed Master Electrician practice. |
The June 2025 Delaware ProV Candidate Information Bulletin provides the published Master Electrician exam format and official subject breakdown.
| Exam Detail | Authority | Published Information |
|---|---|---|
| Official Examination | Delaware | Master Electrician |
| Licensing Agency | DPR | Delaware Division of Professional Regulation |
| Board | Delaware | Board of Electrical Examiners |
| Testing Provider | ProV | Computer-based examination |
| Question Count | ProV | 80 questions |
| Time Limit | ProV | 180 minutes |
| Passing Score | ProV | 75%, 60 correct answers |
| Exam Format | ProV | Open Book |
| Approved NEC Edition | ProV | 2020 National Electrical Code |
| Approved Reference | ProV | American Electrician's Handbook, 17th Edition |
| Approved Electrical Reference | ProV | Ugly's Electrical References, 2020 |
| 2026 NEC | ProV | Supplemental study; not listed in June 2025 bulletin |
| Permanent Tabs | ProV | Allowed on authorized references |
| Highlighting | ProV | Allowed before examination |
| Temporary Tabs | ProV | Not permitted |
| General Electrical Knowledge | ProV | 19 questions |
| Wiring and Protection | ProV | 15 questions |
| Wiring Methods and Materials | ProV | 15 questions |
| Motors and Controls | ProV | 7 questions |
| Equipment for General Use | ProV | 5 questions |
| Plan Reading | ProV | 4 questions |
| Special Conditions | ProV | 4 questions |
| Special Equipment | ProV | 4 questions |
| Special Occupancies | ProV | 4 questions |
| Communication Systems | ProV | 3 questions |
| Experience Route | DPR | Six years of qualifying full-time experience |
| Alternative Qualification | DPR | Four years under Master plus two years technical training |
| Insurance Minimum | DPR | $300,000 general liability coverage |
| Exam Fee | ProV | $100 in June 2025 bulletin; verify current amount |
Official Master examination: 80 questions.
Time: Three hours.
Passing score: 75%.
Largest category: General Electrical Knowledge, 19 questions.
Approved references: 2020 NEC, American Electrician's Handbook, and Ugly's Electrical References.
Source date: June 2025 bulletin; check for updates before testing.
The Delaware Master Electrician exam covers ten electrical subjects. Each category represents knowledge needed for planning, installing, supervising, or troubleshooting electrical systems.
This is the largest category, with 19 questions. Review electrical theory, voltage, current, resistance, power, transformers, circuit behavior, calculations, and general electrical knowledge.
Master electricians should understand how formulas connect to real electrical installations. Learning why a calculation works is more useful than memorizing a single example.
This category contains 15 questions. Study service equipment, feeders, branch circuits, load calculations, conductor sizing, grounding, bonding, circuit breakers, fuses, and disconnecting means.
Questions may involve selecting equipment or determining whether a conductor is correctly protected.
Another 15 questions cover raceways, boxes, cables, fittings, conductor materials, wiring supports, installation conditions, and physical protection.
Review conduit fill, box fill, approved wiring methods, wet locations, and material installation rules.
This category includes 7 questions. Prepare for motor conductor sizing, overload protection, controllers, disconnects, and short-circuit protection.
Motor questions can be confusing because different protective devices serve different purposes. Read each question carefully.
This category includes 5 questions. Study panelboards, switches, receptacles, appliances, lighting equipment, transformers, and equipment requirements.
The examination includes 4 questions covering electrical symbols, one-line diagrams, panel schedules, wiring layouts, and information shown on construction drawings.
With 4 questions, this subject covers electrical situations requiring additional NEC rules.
Another 4 questions involve electrical equipment covered by special provisions. Candidates should understand when ordinary installation rules need additional requirements.
This category contains 4 questions about electrical installations in locations with special conditions or hazards.
The final 3 questions involve communications-related electrical systems and applicable code requirements.
General Electrical Knowledge, Wiring and Protection, and Wiring Methods and Materials together account for 49 of 80 questions, or 61.25% of the exam.
Focus heavily on these categories while continuing to review motors, plans, equipment, and special electrical installations.
Start with the official Delaware ProV Candidate Information Bulletin and organize your preparation around the ten Master Electrician subjects.
Spend extra time on General Electrical Knowledge, Wiring and Protection, and Wiring Methods and Materials because these three categories represent more than 60% of the examination.
Electrical Knowledge: Review electrical theory, power calculations, transformers, circuit behavior, and electrical terminology.
Wiring and Protection: Practice branch circuits, services, feeders, grounding, bonding, overcurrent devices, and conductor sizing.
Wiring Methods: Study raceways, cables, boxes, fittings, conduit fill, and physical protection.
Motors: Review motor conductors, controllers, overload protection, and disconnecting means.
Electrical Equipment: Study panelboards, switches, receptacles, transformers, and common equipment rules.
Plan Reading: Learn to interpret one-line diagrams, panel schedules, symbols, and installation notes.
Special Installations: Review special conditions, equipment, occupancies, and communication systems.
Code Navigation: Practice locating rules in the approved NEC edition and identifying the applicable exception or table.
Master-level preparation should include regular electrical calculations. Practice conductor ampacity, service loads, feeder loads, voltage drop, motors, transformers, and overcurrent protection.
Write down each step when solving complicated calculations. This helps reveal where mistakes happen.
For code questions, practice finding the applicable NEC rule instead of memorizing the answer from a workbook.
Build familiarity with the index, definitions, tables, and article structure.
The Delaware Master Electrician Super Combo offers technical review and calculation practice based on the 2026 NEC.
For candidates taking an exam under the published 2020 NEC reference list, the Delaware 2020 Master Electrician Study Guide and NEC Combo provides a code-edition-matched study option.
Practice with the exact references allowed for your examination whenever possible.
Delaware Master Electrician candidates should understand how electrical systems connect, distribute power, and provide protection. The following illustration shows simplified service equipment, a distribution panel, grounding, branch circuits, motor equipment, and solar components.
Educational diagram only. Actual installations must comply with the applicable NEC and state requirements.
Follow these eight steps to prepare for Delaware Master Electrician examination and licensing.
Confirm the Master classification matches the electrical services you intend to perform or supervise.
Review apprenticeship certification, qualifying work experience, technical training, or reciprocity requirements.
Gather apprenticeship certificates, supervisor verification forms, and training transcripts when required.
Submit the correct state application and wait for Board examination approval.
Check the current NEC edition, American Electrician's Handbook, and Ugly's Electrical References.
Focus on electrical knowledge, wiring and protection, wiring methods, motors, and specialized equipment.
Complete 80 questions in three hours and achieve at least 75%.
Provide proof of at least $300,000 in general liability insurance and finish all remaining Board requirements.
The published Master Electrician examination includes ten subject categories totaling 80 questions. These percentages reflect the official ProV question counts.
Total: 80 questions.
Largest category: General Electrical Knowledge, 19 questions.
Three largest categories: 49 questions, or 61.25%.
Passing requirement: 60 correct answers.
Study strategy: Give extra attention to high-weight subjects without ignoring smaller categories.
The Delaware Master Electrician ProV examination is open book. Candidates must bring only the reference materials authorized by the current testing bulletin.
| Reference Book | Published Edition | Purpose |
|---|---|---|
| National Electrical Code, NFPA 70 | 2020 | Electrical installation rules, services, conductors, wiring methods, grounding, bonding, protection, and equipment. |
| American Electrician's Handbook | 17th Edition | Electrical theory, formulas, practical calculations, motors, equipment, and troubleshooting. |
| Ugly's Electrical References | 2020 | Electrical formulas, conductor information, reference tables, and field calculations. |
| 2026 National Electrical Code | Supplemental Study | A newer code edition for learning and home preparation, not listed in the June 2025 ProV Master examination references. |
| Master Electrician Exam Prep Study Guides | Home Study Only | Practice questions and explanations; study guides are not authorized examination-room references. |
Approved NEC: 2020 in the published June 2025 bulletin.
Approved handbook: American Electrician's Handbook, 17th Edition.
Approved quick reference: Ugly's Electrical References, 2020.
Permanent tabs: Allowed on approved reference books.
Highlighting: Allowed before the examination.
Not permitted: Handwritten notes, temporary tabs, loose papers, or test-preparation study guides.
Delaware allows approved reference books during the Master Electrician examination, making codebook preparation a valuable part of studying.
ProV permits highlighting, underlining in pen, and permanent tabs prepared before testing. Handwritten notes, temporary tabs, unapproved study guides, and writing in reference materials during the examination are prohibited.
Time management: 180 minutes for 80 questions, averaging 2.25 minutes per question.
Calculator: ProV permits simple four-function calculators under its published rules.
Reference strategy: Know which book and section are likely to contain the answer.
Testing reminder: Always follow the latest official instructions.
A Delaware Master Electrician is licensed to plan, estimate, lay out, perform, or supervise electrical installation and repair work within the scope of the Master Electrician credential.
The state definition covers electrical conductors, raceways, conduits, machinery, apparatus, devices, and fixtures used for lighting, heating, and power.
This can involve residential buildings, commercial properties, industrial facilities, and other structures.
Master Electricians may be responsible for evaluating electrical drawings and selecting proper equipment for complete electrical systems.
They must understand electrical service requirements, feeder installations, branch circuits, overcurrent protection, grounding, and bonding.
Master-level work can also require calculating electrical demand, evaluating equipment ratings, and determining appropriate wiring methods.
For example, planning a commercial electrical installation requires understanding how the load is distributed throughout a building.
The electrician must evaluate conductor sizing, panel capacity, protection, service requirements, and relevant code provisions.
Installing a motor may require additional calculations for conductors, overload devices, disconnecting means, and motor controllers.
Improper equipment selection can affect both safety and performance.
Master Electricians should also recognize when special occupancies or equipment require additional NEC requirements.
Beyond technical knowledge, Master Electricians may supervise electrical workers and make important installation decisions.
The license does not eliminate the need for applicable permits, inspections, local business requirements, or insurance.
Delaware requires Master Electrician applicants to provide at least $300,000 in general liability insurance coverage before a license can be issued.
Electricians planning to operate a contracting business should also check local registration, tax, and business requirements that may apply to their operations.
Master Electrician: Higher-level electrical planning, installation, and supervision authority.
Scope: Electrical work covered by Delaware's professional licensing requirements.
Insurance: Minimum $300,000 general liability requirement.
Other obligations: Follow applicable permits, inspections, and business regulations.
| Classification | License Type | Purpose or Requirement |
|---|---|---|
| Master Electrician | Master | Plan, estimate, lay out, perform, or supervise authorized electrical work. |
| Journeyperson Electrician | Journeyperson | Perform electrical services under required supervision. |
| Residential Electrician | Residential | Electrical services within the state's residential classification. |
| Limited Electrician | Limited | Electrical work restricted to the authorized limited scope. |
| Master Special Electrician | Master Specialty | Master-level electrical work within an approved specialty. |
| Limited Special Electrician | Limited Specialty | Limited work in a defined electrical specialty. |
| Apprentice Electrician | Apprentice | Training and electrical work under applicable supervision. |
| Master ProV Exam | Trade Examination | 80 questions, three hours, 75% passing score. |
| Journeyperson ProV Exam | Trade Examination | 70 questions, three hours, 75% passing score. |
| Master Experience Route | Qualification | Six years full-time experience or four years under a Master plus two years technical training. |
| Master Reciprocity | Out-of-State Qualification | Board review of a current equivalent license and required supporting documentation. |
Master: Higher-level electrical work and supervision.
Journeyperson: Electrical work under supervision.
Master examination: 80 questions.
Journeyperson examination: 70 questions.
Important: Choose preparation materials matching the exact license you are pursuing.
Six Years of Qualifying Experience
Four Years Plus Two Years Training
Additional Qualification Routes
Important: An approved apprenticeship completion certificate may satisfy the experience-proof requirement for a Master examination application. It does not automatically waive the Master exam.
Full experience route: Six years.
Training alternative: Four years under a Master Electrician plus two years technical training.
Insurance: Required before Master license issuance.
Use this study calendar to review the official ten-subject ProV blueprint, electrical calculations, approved references, and open-book examination strategies.
The Delaware Master Electrician examination can be challenging because it tests advanced electrical knowledge across multiple systems and installation conditions.
Candidates have three hours to answer 80 questions.
At least 60 correct answers are required to meet the 75% passing standard.
Although the examination is open book, candidates must know how to use their reference materials efficiently.
The largest category is General Electrical Knowledge, with 19 questions.
Wiring and Protection and Wiring Methods and Materials contribute another 15 questions each.
Together, these three categories account for 49 questions.
That means strong fundamentals and fast NEC navigation are important.
Many electricians are comfortable working with familiar systems but find written questions involving uncommon installation conditions more difficult.
For example, a question about conductor ampacity might require checking more than one NEC table and applying the correct installation conditions.
A motor problem may involve separate requirements for branch circuit conductors, overload protection, and short-circuit protection.
Plan reading can also be challenging when candidates must interpret symbols, one-line diagrams, panel schedules, and equipment information.
Special occupancies and special equipment are smaller categories, but they can still affect the final score.
Another challenge is using the correct code edition.
Newer Contractor Exam Preps packages are based on the 2026 NEC, while the June 2025 Delaware ProV Master bulletin lists the 2020 NEC.
Code changes may affect wording, organization, and technical requirements, so practicing with the edition approved for your exam is important.
Complete timed practice exams and review every missed answer.
Try to identify why each rule applies rather than simply memorizing question-and-answer combinations.
The goal is to understand electrical systems well enough to solve unfamiliar problems under time pressure.
With consistent study, the examination becomes more manageable. An open-book exam is still an exam, especially when the clock is moving faster than your codebook tabs!
Official exam: Delaware Master Electrician.
Questions: 80.
Time limit: Three hours.
Passing score: 75%.
Calculator: Simple four-function calculator under published ProV rules.
Exam references: Follow the latest approved reference list.
Contractor Exam Preps offers Delaware Master Electrician study guides, electrical calculations workbooks, NEC codebook packages, flash cards, practice examinations, and organized reference sets.
The following options are designed for different study needs. Choose your materials based on the level of preparation you need and the official reference books currently authorized for your examination.
Study Guides, Calculations, Flash Cards and NEC
2020 NEC and Printed Master Study Guide
2026 NEC Study and Codebook Navigation
Study guide only: The Delaware 2026 Master Electrician Exam Prep and Study Guide provides practice tests and final exams.
Approved reference-book option: The Delaware Master Electrician Highlighted and Tabbed Book Package includes three prepared electrical references. Confirm their exact editions and ProV acceptance before testing.
Additional option: The Delaware Master Electrician Books and Courses Rental Package offers another preparation format.
Important: Newer 2026 NEC packages are supplemental study materials under the June 2025 ProV reference list.
This custom Delaware Master Electrician credential illustration includes the Delaware state outline, electrical panelboard, circuit breakers, lightning symbols, grounding conductors, solar equipment, and a motor.
It represents Delaware Master Electrician examination preparation. It is not an official Delaware license, government credential, or state-issued certificate.
• Delaware Division of Professional Regulation
• Board of Electrical Examiners
• Master Electrician Licensing
• ProV Electrical Examination
• 80 Exam Questions
• 180-Minute Examination
• 75% Passing Score
• Open-Book Testing
• 2020 NEC Approved Under Published Bulletin
• American Electrician's Handbook
• Ugly's Electrical References
• 2026 NEC Supplemental Study
• Master Electrician Work Experience
• Apprenticeship Qualifications
• Technical Training Requirements
• General Liability Insurance
• Electrical Theory
• Wiring and Protection
• Wiring Methods and Materials
• Grounding and Bonding
• Services and Feeders
• Electrical Calculations
• Motors and Controls
• Equipment for General Use
• Electrical Plan Reading
• Special Conditions
• Special Equipment
• Special Occupancies
• Communication Systems
Prepare with structured NEC review, electrical calculations, timed practice examinations, and a six-week study plan based on Delaware's official ProV Master Electrician exam subjects.
Delaware Master Electrician Licensing
The Delaware Master Electrician license is the state's higher-level electrical license for qualified professionals who plan, estimate, lay out, perform, or supervise authorized electrical work.
The Delaware Division of Professional Regulation administers licensing through the Board of Electrical Examiners.
Applicants without a qualifying apprenticeship certificate generally need six years of qualifying full-time experience, or four years under a Master Electrician plus two years of technical training.
Yes. Delaware accepts an approved apprenticeship completion certificate in place of the usual individual experience verification documentation for eligible examination applicants.
No. A qualifying certificate may satisfy an experience documentation requirement, but applicants pursuing an original Master license by examination must still meet the testing requirement.
Yes. At least $300,000 in general liability insurance must be documented before the state issues the Master Electrician license.
Yes. Delaware reviews qualifying out-of-state Master Electrician licenses and determines whether additional documentation is required.
Delaware ProV Master Exam Format
ProV administers the licensing examination after the Delaware Board approves the applicant.
The published Delaware ProV Master Electrician examination contains 80 questions.
Three hours, or 180 minutes.
The passing score is 75%, which equals at least 60 correct answers out of 80.
Yes. Candidates may use the specific reference books authorized by the current ProV bulletin.
Apply through DELPROS, receive Board approval, and follow the ProV registration instructions provided after approval.
NEC Editions and Open-Book Rules
The June 2025 ProV bulletin lists the 2020 NEC. Verify whether a newer bulletin changes that requirement before your testing date.
Do not assume so. The 2026 NEC is not listed in the June 2025 ProV Master Electrician reference list. It can be used for supplemental study.
The published Master Electrician references also include American Electrician's Handbook, 17th Edition, and Ugly's Electrical References, 2020.
Yes. ProV permits permanent tabs on approved reference books.
Yes. Highlighting and underlining in pen may be completed before testing under the published ProV rules.
No. Movable tabs and temporary notes are prohibited.
No. Writing, highlighting, underlining, or marking reference books during testing is prohibited.
No. Study guides and practice examinations are not approved testing-room references.
Official Delaware Master Exam Subjects
General Electrical Knowledge, with 19 questions.
Fifteen questions.
Fifteen questions.
Yes. Motors and Controls accounts for seven questions. Motor calculation and equipment protection concepts are important preparation topics.
Yes. Plan Reading includes four questions.
Yes. Special Occupancies includes four questions.
Yes. Communication Systems contains three questions.
Master Electrician and Contractor Responsibilities
A Journeyperson Electrician performs electrical work under required supervision. A Master Electrician holds a higher-level license covering electrical planning, work, and supervision within the authorized scope.
The published Journeyperson Electrician exam contains 70 questions, allows three hours, and requires 75% to pass.
Yes. Delaware's Master Electrician definition includes supervising authorized electrical installation and repair work.
No. Applicants must complete the state licensing process, including the insurance requirement and any other outstanding documentation.
Contractor Exam Preps Study Materials
Yes. The store offers Delaware Master Electrician study guides, NEC combos, calculation books, flash cards, prepared reference sets, and additional study options.
The listed package includes a Delaware Master Electrician Study Guide, Electrician Calculations Study Guide, 2026 NEC with tabs, and Master Electrician flash cards.
Yes. The Delaware 2020 Master Electrician Study Guide and NEC Combo combines a Master study guide with the 2020 National Electrical Code and tabs.
Yes. Contractor Exam Preps lists a Delaware Master Electrician Highlighted and Tabbed Book Package containing three electrical reference books.
No. Study materials support preparation but cannot guarantee an examination result or state licensing approval.
Watch this related 1 Exam Prep Master Electrician study video covering advanced NEC concepts, electrical calculations, grounding, bonding, overcurrent protection, and practical code navigation. These subjects are useful for Delaware Master Electrician candidates preparing for the ProV licensing examination.
Video: Master Electrician Exam Prep 2026 NEC Updates.
Channel: 1Exam Prep.
Subjects: NEC changes, advanced electrical calculations, grounding, bonding, overcurrent protection, and exam strategies.
Delaware Master exam: 80 questions, 180 minutes, 75% passing.
Important: This video teaches newer 2026 NEC concepts. Delaware's June 2025 ProV bulletin lists the 2020 NEC as an approved examination reference.
Use Contractor Exam Preps for Delaware Master Electrician study guides, NEC combinations, electrical calculations, flash cards, and practice questions. Use Delaware's licensing board and ProV for official examination and licensing requirements.
Official license: Delaware Master Electrician.
Testing provider: ProV.
Examination: 80 questions, three hours, 75% passing.
Published NEC reference: 2020 NEC.
Other approved references: American Electrician's Handbook, 17th Edition, and Ugly's Electrical References, 2020.
2026 NEC products: Supplemental study unless testing requirements change.
License eligibility: Qualifying experience, technical training, apprenticeship documentation, or reciprocity.
Insurance: At least $300,000 general liability coverage before Master license issuance.
Prepare for Delaware's Master Electrician licensing examination with stronger knowledge of electrical theory, wiring methods, circuit protection, grounding, bonding, conductor sizing, services, feeders, motors, and advanced electrical equipment.
The published ProV examination contains 80 questions and allows three hours.
Candidates must answer at least 60 questions correctly to meet the required 75% passing standard.
The exam is open book, but only approved reference materials may be used during testing.
The June 2025 ProV bulletin identifies the 2020 NEC, American Electrician's Handbook, 17th Edition, and Ugly's Electrical References, 2020 as approved Master Electrician references.
Contractor Exam Preps offers updated Delaware Master Electrician study packages based on the 2026 NEC. These packages can help with electrical theory, calculations, and code navigation, but candidates must verify the actual examination reference list before testing.
The largest Master examination category is General Electrical Knowledge, with 19 questions.
Wiring and Protection and Wiring Methods and Materials each contain 15 questions.
Together, these three major subjects account for 49 of the 80 questions.
Motors and Controls adds seven questions, while Equipment for General Use contains five questions.
Plan Reading, Special Conditions, Special Equipment, Special Occupancies, and Communication Systems make up the remaining subjects.
Practice these areas regularly and focus on understanding the electrical code rules behind each answer.
Explore the 2026 Delaware Master Electrician Super Combo for printed study guides, calculation exercises, flash cards, and NEC preparation.
The Delaware 2020 Master Electrician Study Guide and NEC Combo provides another preparation option for candidates practicing with the code edition in the published ProV bulletin.
For candidates who want organized reference materials, the Delaware Master Electrician Highlighted and Tabbed Book Package offers a prepared electrical reference set.
Beyond exam preparation, applicants must satisfy Delaware's licensing qualifications.
The state generally requires six years of qualifying full-time electrical experience, or four years under a Master Electrician plus two years of technical training, when applicants do not have an accepted apprenticeship completion certificate.
Approved apprenticeship completion records can satisfy the experience documentation requirement for qualifying applicants.
Delaware also requires proof of at least $300,000 in general liability insurance before issuing a Master Electrician license.
Build a realistic six-week study schedule, practice using the approved NEC edition, complete timed examinations, and review every missed question.
Good preparation combines technical knowledge, electrical calculations, code navigation, and steady practice.
The goal is not simply to pass a test. It is to build the knowledge needed to make reliable electrical decisions while taking on the responsibilities of a licensed Master Electrician.
Find more electrical licensing and contractor exam study materials at ContractorExamPreps.com.
