New Jersey Electrical Contractors Board • PSI • 100 Trade Questions • 255 Minutes • 70% Passing • 2023 NEC • Alarm Systems • Business and Law
Ready to prepare for New Jersey's advanced electrical contractor licensing exams? This guide explains the official requirements, PSI examinations, approved reference books, electrical calculations, alarm systems, business law, and related study products available from Contractor Exam Preps.
Electricians do much more than connect a few wires and hope for the best.
They install electrical services, feeders, branch circuits, equipment, motors, controls, panels, and safety systems.
Experienced electrical professionals also need to understand complicated calculations, grounding and bonding rules, building safety, electrical plans, and contractor business responsibilities.
Electrical work must be completed carefully because an incorrect installation can damage equipment or create serious hazards.
That is why New Jersey has a detailed licensing system for electrical contractors.
New Jersey's primary statewide advanced electrical contracting credential is the Electrical Contractor license.
Many electricians use the words Master Electrician when talking about higher-level electrical qualifications.
Contractor Exam Preps also uses Master Electrician terminology for advanced study guides and preparation packages.
However, the New Jersey State Board of Examiners of Electrical Contractors officially licenses Electrical Contractors.
The Board also regulates Class A Journeyman Electricians, Class A Electrical Apprentices, and other electrical worker classifications.
This guide focuses on the Electrical Contractor licensing examinations because those are the statewide exams relevant to electricians pursuing advanced contracting credentials.
The New Jersey State Board of Examiners of Electrical Contractors regulates electrical contracting.
The Board operates through the New Jersey Division of Consumer Affairs.
It reviews applications, evaluates experience qualifications, authorizes candidates to take licensing examinations, and oversees electrical contracting standards.
PSI Services administers the required examinations.
Applicants must first obtain approval from the Board.
After approval, they receive an Examination Eligibility Notice with instructions for scheduling the PSI examinations.
The current New Jersey Electrical Contractor licensing process requires three separate examinations.
Passing only the electrical trade examination is not enough to qualify for the license.
Candidates must pass all three examinations.
Applicants approved to test on or after March 16, 2015 must take all three portions on their first examination day.
The Electrical Contractor trade examination contains 100 questions.
Candidates have 255 minutes, or four hours and fifteen minutes.
The required passing score is 70%, equal to 70 correct answers.
The current PSI bulletin includes an older 260-minute figure in its printed table.
However, a footnote explains that the actual time limit was reduced to 255 minutes effective June 1, 2017.
For current preparation, candidates should plan around 255 minutes and verify the limit when scheduling.
The Alarm Systems Electrical Contractor examination contains 50 questions.
Candidates have 165 minutes, or two hours and forty-five minutes.
The passing score is 70%, equal to 35 correct answers.
It tests fire alarms, intrusion systems, security equipment, installation requirements, low-voltage wiring, and special electrical conditions.
Alarm-system preparation is important even for electricians whose daily work involves traditional power distribution.
The Business and Law examination contains 50 questions.
Candidates have 130 minutes, or two hours and ten minutes.
The passing score is 70%, equal to 35 correct answers.
The examination covers licensing, business organization, contracts, estimating, safety, project management, finance, labor law, taxes, and liens.
Understanding how to install a panelboard is useful.
Understanding how to price the job, manage the contract, and follow state law is what helps turn good electrical work into a responsible contracting business.
The official PSI bulletin updated March 5, 2026 identifies the 2023 National Electrical Code for the Electrical Contractor examination.
The 2023 NEC is also the electrical subcode currently adopted by New Jersey for building installations.
PSI provides the 2023 NEC in the testing center for the Electrical Contractor trade examination.
Candidates may not bring their own copy of the NEC for that examination portion.
They may not write, highlight, underline, or add index tabs to the codebook supplied by PSI.
This matters because Contractor Exam Preps offers many newer 2026 NEC-based products.
Those books can support updated code education and exam-style practice.
However, they are not the same edition as the 2023 NEC currently used for New Jersey PSI trade questions.
The Electrical Contractor trade examination includes twelve categories totaling 100 questions.
The largest subject is Grounding and Bonding, with sixteen questions.
Motors and Controls follows with twelve questions.
These two categories represent 28% of the trade examination.
Grounding and Bonding accounts for sixteen questions.
Review NEC Article 250 carefully.
Study grounding electrode systems, grounding electrode conductors, equipment grounding conductors, and bonding jumpers.
Understand service bonding and grounding for separately derived systems.
Review conductor sizing tables and fault-current paths.
Learn the difference between grounding and bonding.
Both are important, but they do not perform the exact same job.
Grounding relates a system to earth and helps establish a reference.
Bonding connects conductive parts to establish electrical continuity and an effective fault-current path.
Motors and Controls contains twelve questions.
Review NEC Article 430.
Study motor full-load current, branch-circuit protection, overload protection, motor controllers, disconnecting means, and conductor sizing.
Learn how motor protection differs from ordinary branch-circuit protection.
Practice reading equipment nameplates and motor-control diagrams.
Review contactors, starters, relays, and control circuits.
General Electrical Knowledge accounts for ten questions.
Study electrical theory, voltage, current, resistance, power, circuit behavior, and electrical formulas.
Practice Ohm's law and power calculations.
Understand single-phase and three-phase systems.
Review electrical plans, symbols, and practical troubleshooting concepts.
Strong basic knowledge makes complicated NEC questions easier to understand.
Raceways and Enclosures contains ten questions.
Study conduit systems, raceway installation, boxes, fittings, conduit fill, and electrical enclosures.
Review raceway support, protection from damage, and location requirements.
Practice using NEC Chapter 9 and applicable wiring-method articles.
Understand why conduit size and conductor count matter.
This category contains ten questions.
Review the differences between services, feeders, and branch circuits.
Study electrical load calculations, service equipment, disconnecting means, protective devices, and conductor sizing.
Practice residential and commercial load calculations.
Review NEC Articles 210, 215, and 230.
Conductors and Cables contains nine questions.
Study conductor ampacity, insulation ratings, temperature correction, adjustment factors, and wiring materials.
Learn to use conductor ampacity tables.
Review voltage drop as an important design consideration.
Practice determining when a conductor must be adjusted for installation conditions.
This category contains nine questions.
Review transformers, panelboards, receptacles, switches, luminaires, appliances, and electrical equipment.
Study ratings, installation requirements, and equipment protection.
Understand how equipment specifications affect installation decisions.
Overcurrent Protection contains five questions.
Study NEC Article 240.
Review circuit breakers, fuses, conductor protection, and permitted device ratings.
Understand the purpose of short-circuit and overload protection.
Learn why equipment protection requirements can differ by application.
Special Occupancies contains five questions.
Study NEC Chapter 5.
Review installations in hazardous locations, health care facilities, assembly spaces, and other specialized settings.
These installations may require additional wiring methods or protective measures.
This subject contains five questions.
Review specialized equipment, generators, emergency systems, renewable energy equipment, and other special installations.
Practice finding relevant NEC requirements for unusual equipment or locations.
Low Voltage and Communications Circuits contains six questions.
Study signaling systems, communications wiring, limited-power circuits, and low-voltage installation requirements.
These topics connect closely with the separate Alarm Systems examination.
Safety contains three questions.
Study electrical hazards, safe work practices, testing procedures, personal protective equipment, and jobsite safety concepts.
Review applicable OSHA requirements.
Safety may have only three questions on the PSI blueprint, but it deserves attention every day on the job.
New Jersey applicants must be over 21 and hold a high school diploma or equivalent.
The standard electrical contractor pathway requires five years of qualifying electrical construction and installation experience immediately before applying.
This includes a four-year United States Department of Labor-approved electrical apprenticeship and at least one additional year of practical hands-on journeyman experience.
One qualifying year means 2,000 practical hours.
The Board also recognizes certain alternative educational and experience pathways, including qualifying electrical engineering education and related practical experience.
Applicants must submit appropriate records and employer work certifications.
The March 2026 PSI bulletin lists these fees:
The combined PSI exam fees total $180.
The Board also charges a $100 nonrefundable application fee.
Separate licensing and business permit fees apply after approval.
New Jersey Electrical Contractor licenses follow a three-year renewal cycle.
The current triennial renewal fee is $225.
A separate electrical contracting business permit may also be required, with its own fees.
Electrical Contractors generally need 34 continuing education credits per triennial period.
This includes a required ten-hour in-person course, with nine hours addressing the NEC and one hour covering applicable New Jersey laws and rules.
The rule exempts licensees from continuing education during the triennial period in which they first receive the license.
The 2026 New Jersey Master Electrician Super Combo includes a New Jersey study guide, electrical calculations guide, 2026 NEC paperback with tabs, and Master Electrician flash cards.
The 2026 New Jersey Master Electrician Study Guide and NEC Combo offers study materials and code navigation practice.
The 2026 New Jersey Master Electrician Study Guide and Flash Card Combo includes twelve practice exams and two final exams.
For Business and Law, Contractor Exam Preps sells the New Jersey NASCLA Contractors' Guide, 2nd Edition, which matches the reference title and edition listed in the Electrical Contractor PSI bulletin.
Check the current product listings for contents and availability.
Start with the official PSI bulletin.
Study all twelve Electrical Contractor trade categories.
Spend extra time on Grounding and Bonding and Motors and Controls.
Practice calculations and 2023 NEC code navigation.
Review the Alarm Systems examination separately.
Study NFPA 72, security systems, intrusion systems, and low-voltage installations.
Prepare for Business and Law using the approved New Jersey NASCLA guide.
Finally, complete timed practice tests for all three portions.
A good study plan should make you comfortable solving problems, reading code rules, and answering questions under pressure.
Important New Jersey 2026 Electrical Contractor Update: The official PSI Candidate Information Bulletin updated March 5, 2026 requires candidates to pass Electrical Contractor, Alarm Systems Electrical Contractor, and Business and Law examinations. The trade exam contains 100 questions, requires 70% passing, and has a 255-minute time limit under the bulletin's effective-date footnote. The Alarm Systems examination contains 50 questions, allows 165 minutes, and requires 70%. Business and Law contains 50 questions, allows 130 minutes, and requires 70%. PSI supplies the 2023 NEC for the Electrical Contractor and Alarm Systems trade examinations. Personal NEC copies are not allowed during those portions. Candidates bring their own approved New Jersey NASCLA 2nd Edition for Business and Law and must provide their own approved additional references for Alarm Systems. The store's 2026 NEC books are for preparation, not substitutes for the PSI-provided 2023 NEC.
The term Master Electrician is commonly used for experienced electrical professionals who have advanced technical knowledge.
In New Jersey, the statewide license used for electrical contracting is officially called the Electrical Contractor license.
A licensed Electrical Contractor may perform qualifying contracting work involving electrical equipment for the generation, transmission, or utilization of electrical energy.
The license is separate from the Class A Journeyman Electrician credential.
An electrical contracting business also must comply with applicable business permit requirements.
Search and study terminology: New Jersey Master Electrician.
Official statewide credential: Electrical Contractor.
Licensing authority: New Jersey Board of Examiners of Electrical Contractors.
Examination provider: PSI.
Required exam portions: Three.
Trade exam reference: PSI-provided 2023 NEC.
| Requirement | New Jersey Rule | Preparation |
|---|---|---|
| State | New Jersey | Follow statewide electrical contracting rules. |
| Official License | Electrical Contractor | Use Board's examination application. |
| Common Study Term | Master Electrician | Recognize that product names may use this term. |
| Licensing Board | Board of Examiners of Electrical Contractors | Apply through Division of Consumer Affairs. |
| PSI Bulletin | March 5, 2026 | Review latest bulletin. |
| Age | Over 21 | Check eligibility. |
| Education | High School Diploma or Equivalent | Prepare proof of education. |
| Standard Experience | Five Years | Provide certified work history. |
| Approved Apprenticeship | Four Years | Document completion. |
| Post-Apprenticeship Experience | One Year or 2,000 Hours | Document journeyman hands-on work. |
| Other Experience Routes | Board-Recognized Alternatives | Check official qualifications. |
| Application Fee | $100 | Nonrefundable Board fee. |
| Testing Authority | PSI | Schedule after Board approval. |
| Electrical Contractor Exam | 100 Questions | Study twelve trade topics. |
| Trade Time | 255 Minutes | Use current effective limit. |
| Trade Passing | 70% | 70 correct answers. |
| Alarm Systems Exam | 50 Questions | Study six alarm subjects. |
| Alarm Systems Time | 165 Minutes | Practice timed alarms review. |
| Alarm Systems Passing | 70% | 35 correct answers. |
| Business and Law Exam | 50 Questions | Study business and state law. |
| Business and Law Time | 130 Minutes | Use timed business practice. |
| Business Passing | 70% | 35 correct answers. |
| Combined Questions | 200 | Prepare for all three portions. |
| First Testing Day | All Three Exams | Required for qualifying approvals from 2015 onward. |
| Electrical Trade PSI Fee | $84 | Pay PSI. |
| Alarm Systems PSI Fee | $49 | Pay PSI. |
| Business and Law PSI Fee | $47 | Pay PSI. |
| Combined PSI Fees | $180 | Excludes Board fees. |
| PSI Trade NEC | 2023 NEC | PSI supplies book. |
| Personal NEC in Trade Exam | Not Allowed | Use PSI copy. |
| Alarm Systems NEC | 2023 NEC | PSI supplies book. |
| Fire Alarm Reference | NFPA 72, 2022 | Candidate supplies reference. |
| Security References | NTC 2025 Books | Candidate supplies authorized references. |
| Business Reference | New Jersey NASCLA 2nd Edition | Bring approved copy. |
| Triennial License Renewal | $225 | Renew every three years. |
| Business Permit Renewal | $150 | Separate requirement. |
| Continuing Education | 34 Credits | Complete approved courses. |
| Required In-Person NEC and Law | 10 Hours | Nine NEC hours and one NJ law hour. |
| Detail | Category | Information |
|---|---|---|
| Official License | State | Electrical Contractor |
| Board | State | NJ Board of Examiners of Electrical Contractors |
| Testing Provider | Testing | PSI |
| Trade Questions | Electrical | 100 |
| Trade Duration | Electrical | 255 Minutes |
| Trade Passing | Electrical | 70% |
| Trade Correct | Electrical | 70 |
| Alarm Questions | Alarm Systems | 50 |
| Alarm Duration | Alarm Systems | 165 Minutes |
| Alarm Passing | Alarm Systems | 70% |
| Business Questions | Business | 50 |
| Business Duration | Business | 130 Minutes |
| Business Passing | Business | 70% |
| All Required Portions | Testing | Three |
| Combined Testing Minutes | Testing | 550 Minutes |
| Electrical Trade Format | Books | Open Book, PSI-Provided NEC |
| Trade Code Edition | Books | 2023 NEC |
| Alarm NEC Edition | Books | 2023 NEC |
| Fire Alarm Code | Books | NFPA 72, 2022 |
| NTC Security Books | Books | 2025 Editions Listed |
| Business Book | Books | New Jersey NASCLA, 2nd Edition |
| Grounding and Bonding | Electrical Blueprint | 16 Questions |
| Motors and Controls | Electrical Blueprint | 12 Questions |
| Raceways and Enclosures | Electrical Blueprint | 10 Questions |
| Services, Feeders and Branch Circuits | Electrical Blueprint | 10 Questions |
| General Electrical Knowledge | Electrical Blueprint | 10 Questions |
| Conductors and Cables | Electrical Blueprint | 9 Questions |
| Equipment for General Use | Electrical Blueprint | 9 Questions |
| Low-Voltage Communications | Electrical Blueprint | 6 Questions |
| Overcurrent Protection | Electrical Blueprint | 5 Questions |
| Special Occupancies | Electrical Blueprint | 5 Questions |
| Special Equipment and Conditions | Electrical Blueprint | 5 Questions |
| Safety | Electrical Blueprint | 3 Questions |
| Trade Examination Fee | Fees | $84 |
| Alarm Examination Fee | Fees | $49 |
| Business Examination Fee | Fees | $47 |
Trade: 100 questions, 255 minutes, 70%.
Alarm Systems: 50 questions, 165 minutes, 70%.
Business and Law: 50 questions, 130 minutes, 70%.
NEC: 2023 edition supplied by PSI during trade and alarm examinations.
Electrical theory, power, voltage, resistance, circuits, calculations, plans, and general trade principles.
Conduits, raceways, boxes, enclosures, fittings, raceway fill, installation methods, and code requirements.
Electrical service equipment, feeder protection, branch-circuit rules, conductor sizing, and electrical load calculations.
Fuses, circuit breakers, protective ratings, conductor protection, and overcurrent device selection.
Conductor ampacity, insulation, temperature ratings, adjustment factors, voltage drop, and cable installation.
Grounding electrode systems, equipment grounding, bonding jumpers, service bonding, separately derived systems, and fault-current paths.
Transformers, panelboards, receptacles, switches, luminaires, appliances, and associated equipment.
Special wiring rules for hazardous locations, medical spaces, assembly areas, and other regulated occupancies.
Specialized equipment, emergency power, generators, renewable energy, and other installation conditions.
Motors, motor-current calculations, overload protection, controllers, disconnecting means, and equipment protection.
Limited-power circuits, signaling, communications wiring, controls, and low-voltage installation requirements.
Electrical hazards, protective equipment, safe work practices, and jobsite safety principles.
Total: 100 questions.
Largest category: Grounding and Bonding, 16 questions.
Next largest: Motors and Controls, 12 questions.
Passing requirement: 70 correct answers.
Start by reading the official PSI bulletin and reviewing the three required examination outlines.
Organize the study material into Electrical Contractor, Alarm Systems, and Business and Law.
Use the 2023 NEC for exam-specific code review.
Practice locating relevant electrical rules and tables.
Work through grounding and bonding calculations.
Study motors and controllers.
Review services, feeders, branch circuits, raceways, conductors, and overcurrent protection.
Learn basic fire-alarm and security-system concepts.
Review the approved NFPA and NTC references for the Alarm Systems examination.
Study contractor licensing, contracts, estimating, finance, and lien law using the New Jersey NASCLA 2nd Edition.
Practice under each examination's actual time limit.
The 2026 New Jersey Master Electrician Flash Card Combo provides repeated practice exams and final exams for advanced electrical review.
The New Jersey Super Combo adds calculation-focused study and an NEC reference for home practice.
First: Meet licensing eligibility.
Second: Learn the 2023 NEC exam topics.
Third: Study Alarm Systems.
Fourth: Prepare with the approved Business and Law reference.
Fifth: Complete timed practice examinations.
Electrical Contractor candidates need to understand how service equipment, feeders, distribution panels, branch circuits, grounding, bonding, and loads work together.
Simplified electrical training diagram. Actual installations require code-compliant grounding, bonding, conductor sizing, protection, and approved construction details.
Review New Jersey Electrical Contractor requirements and distinguish this credential from Class A Journeyman Electrician licensing.
Verify age, diploma, qualifying apprenticeship, practical hands-on experience, or an accepted alternative pathway.
Prepare detailed experience descriptions, approved apprenticeship records, and required supporting documents.
Apply through the New Jersey Electrical Contractors Board and pay the required application fee.
Wait for the Board's Examination Eligibility Notice before registering for the first examination attempt.
Prepare for Electrical Contractor, Alarm Systems, and Business and Law using the correct references and study outline.
Earn at least 70% on all three exams and follow the applicable attempt and retesting rules.
Finish the Board's license issuance process, obtain required business permits, and maintain renewal and continuing education obligations.
These percentages reflect the official 100-question PSI Electrical Contractor trade examination outline.
Total: 100 questions, 100%.
Largest subject: Grounding and Bonding.
Top two combined: 28 questions.
Passing: 70 correct.
The official reference list changes according to the examination portion.
| Book or Reference | Edition | Exam-Day Status |
|---|---|---|
| NFPA 70 National Electrical Code | 2023 | Electrical Contractor exam, supplied by PSI. |
| Personal NEC Book | Any Edition | Not permitted for Electrical Contractor trade exam. |
| NFPA 70 National Electrical Code | 2023 | Alarm Systems exam, supplied by PSI. |
| NFPA 72 National Fire Alarm and Signaling Code | 2022 | Approved for Alarm Systems, candidate provides own copy. |
| NTC Yellow Book: Video Security Systems Handbook | 2025 | Approved for Alarm Systems, candidate provides own copy. |
| NTC Blue Book: Security System Design and Installation | 2025 Print | Approved for Alarm Systems, candidate provides own copy. |
| NTC Blue Book: Low Voltage Systems Handbook | 2025 | Approved for Alarm Systems, candidate provides own copy. |
| CCTV from Light to Pixels | 3rd Edition, 2014 | Approved for Alarm Systems, candidate provides own copy. |
| NASCLA Contractor's Guide to Business, Law and Project Management, New Jersey | 2nd Edition | Approved Business and Law reference, candidate provides own copy. |
| New Jersey Master Electrician Study Guide | 2026 NEC-Based | Study resource, not exam-room reference. |
| 2026 NEC Paperback with Tabs | 2026 | Home study only for current NJ PSI trade exam. |
| Electrician Calculations Study Guide | 2026 | Home preparation and calculation practice. |
| Master Electrician Flash Cards | 2026 | Study and recall practice only. |
Trade exam: PSI provides the 2023 NEC and candidates cannot write or add tabs to it.
Alarm Systems: PSI provides 2023 NEC; candidates bring their other approved references.
Business and Law: Bring the New Jersey NASCLA 2nd Edition.
Reference preparation: Permanent tabs and prior highlighting may be allowed in personally supplied approved books, but not in the PSI-provided NEC.
The Electrical Contractor examination is open book, but candidates must use the NEC provided by PSI.
You cannot bring your own electrical codebook into the trade exam.
You cannot add tabs or written notes to the supplied copy.
That means the best preparation is becoming familiar with the 2023 NEC before testing.
Learn the article structure, important tables, definitions, and common calculation procedures.
Prepare your personally supplied alarm and business references according to PSI's rules.
New Jersey Electrical Contractors may perform qualifying electrical contracting work within the scope authorized by law and their licensing status.
This can include installation, erection, repair, or alteration of electrical equipment used for generation, transmission, or utilization of electrical energy.
Typical work may involve services, feeders, branch circuits, equipment, controls, motors, lighting, electrical distribution, and specialized electrical installations.
All work must comply with applicable state law, permits, electrical subcodes, and safety requirements.
A licensed contractor conducting business must also meet the Board's electrical business permit and operational requirements.
State credential: Electrical Contractor.
Trade study terminology: Master Electrician.
Work: Electrical construction, installation, repair, and alteration.
Business permit: Separate state requirement where applicable.
Adopted state electrical code: 2023 NEC with New Jersey provisions.
| Credential or Examination | Purpose | Important Difference |
|---|---|---|
| Electrical Contractor License | State-authorized electrical contracting. | Official statewide contractor credential. |
| Master Electrician | Advanced study terminology. | Not the Board's primary statewide contractor license title. |
| Class A Journeyman Electrician | Individual journeyman electrical credential. | Separate experience and licensing rules. |
| Class A Electrical Apprentice | Approved electrical training. | Supports qualifying apprenticeship pathways. |
| Electrical Contractor PSI Exam | Electrical trade competence. | 100 questions, 255 minutes, 70%. |
| Alarm Systems PSI Exam | Alarm and security systems knowledge. | 50 questions, 165 minutes, 70%. |
| Business and Law PSI Exam | Contractor operations and legal knowledge. | 50 questions, 130 minutes, 70%. |
| Electrical Business Permit | Compliant electrical contracting business activity. | Separate business permit requirements and renewal. |
100 Questions • 255 Minutes • 70% Passing
50 Questions • 165 Minutes • 70% Passing
50 Questions • 130 Minutes • 70% Passing
The New Jersey Electrical Contractor examination is challenging because it covers many technical subjects and requires accurate application of NEC rules.
The trade exam includes 100 questions.
Candidates have 255 minutes.
That is an average of about two minutes and thirty-three seconds per question.
Grounding and Bonding and Motors and Controls together account for 28 questions.
Those subjects deserve consistent practice.
The Alarm Systems exam adds a completely different set of technical topics.
Business and Law adds contracts, bidding, licensing, and financial responsibilities.
First-time candidates must take all three exams on the same day.
That is a long day of testing!
The best approach is to study each examination separately, then combine practice under timed conditions.
Study guides, flash cards, and calculations books can help candidates identify weak subjects.
However, good preparation also requires experience, careful reading, and knowledge of the officially adopted 2023 NEC.
The following are related products sold by Contractor Exam Preps.
The products support New Jersey electrical contractor preparation and advanced electrical education. Their newer 2026 NEC editions are intended for home study and should not be confused with PSI's required 2023 NEC edition.
Study Guide • Calculations • NEC • Flash Cards
Best for: Electricians wanting a larger collection of master-level technical study tools, electrical calculations, NEC practice, and flash cards.
Exam distinction: This combo includes the 2026 NEC for study. PSI currently provides the 2023 NEC for New Jersey Electrical Contractor testing.
Study Guide • 2026 NEC • Practice Exams
Best for: Candidates wanting a New Jersey-focused study guide, practice exams, and a codebook for home study.
Exam distinction: The included 2026 NEC is not a permitted substitute for the PSI-provided 2023 NEC.
12 Practice Exams • 2 Final Exams • Flash Cards
Best for: Repeated technical review through practice questions, final exams, and flash-card repetition.
Exam distinction: Based on the 2026 NEC. Candidates should still study the 2023 NEC edition used for New Jersey's current PSI trade questions.
Recommended trade study: New Jersey Master Electrician guides and electrical calculations.
Official PSI electrical code: 2023 NEC supplied at the test center.
Business and Law: New Jersey NASCLA 2nd Edition, available separately through Contractor Exam Preps.
Alarm Systems: Obtain the exact approved NFPA 72 and NTC references needed for the examination.
Actual New Jersey Master Electrician study-product image from ContractorExamPreps.com.
This store-hosted image shows the New Jersey Master Electrician Super Combo, including study guides, calculations, a 2026 NEC, tabs, and flash cards.
It is a related educational product image, not a state-issued Electrical Contractor license. The codebook pictured is for study; PSI currently uses the 2023 NEC for trade examinations.
New Jersey Electrical Contractor • PSI Trade Examination • Alarm Systems • Business and Law • NEC Study • Electrical Calculations
New Jersey Electrical Contractor Licensing
The state's primary statewide advanced electrical contracting credential is officially called Electrical Contractor. Master Electrician is common study and career terminology.
The New Jersey State Board of Examiners of Electrical Contractors regulates and licenses Electrical Contractors.
Applicants must be over 21 years old and hold a high school diploma or equivalent.
The standard route requires five years of qualifying electrical experience, including a four-year approved apprenticeship and one year of practical hands-on journeyman work. The Board recognizes certain alternative routes.
The regulation defines one qualifying practical work year as 2,000 hours.
Yes. Applicants must receive an Examination Eligibility Notice from the Board before scheduling their initial examinations.
Electrical Contractor PSI Examination
The Electrical Contractor trade examination contains 100 questions.
The current applicable time limit is 255 minutes. The PSI bulletin has an older 260-minute table entry with a footnote explaining the change to 255 minutes.
The required passing score is 70%, equal to 70 correct answers out of 100.
Yes. PSI supplies the approved 2023 National Electrical Code in the examination center.
No. PSI provides the approved NEC, and candidates may not use their personal codebooks for the Electrical Contractor portion.
No. Candidates may not write, highlight, underline, or index the NEC provided at the test center.
National Electrical Code and Technical Subjects
The currently adopted New Jersey electrical subcode and the published PSI trade examination use the 2023 NEC.
Yes. It is useful for updated code education, but exam-specific review should use the 2023 NEC edition named in the current PSI bulletin.
Grounding and Bonding is the largest official category, with 16 questions.
Motors and Controls contains 12 questions.
Yes. Electrical calculations are relevant to load sizing, conductors, feeders, services, motor protection, box fill, raceway fill, and other technical subjects.
Yes. Low Voltage and Communications Circuits contains six questions on the electrical trade exam, and related knowledge is important for the separate Alarm Systems examination.
Alarm Systems Examination
Yes. The Alarm Systems Electrical Contractor exam is one of the three required portions.
The exam contains 50 questions, allows 165 minutes, and requires 70% to pass.
The current PSI bulletin lists the 2022 National Fire Alarm and Signaling Code.
No. PSI supplies the 2023 NEC. Candidates must bring the other approved reference books, including NFPA 72 and the listed security-system publications.
Yes. Fire Alarm Applications, Intrusion and Security Applications, and Installation Requirements each contain 12 questions.
Business and Law Examination
There are 50 questions, 130 minutes, and a 70% passing requirement.
The official Electrical Contractor PSI bulletin lists NASCLA Contractor's Guide to Business, Law and Project Management, New Jersey, 2nd Edition.
PSI permits prior highlighting, underlining, and permanent indexing in approved personal reference books. Handwritten notes, loose attached papers, and temporary tabs are not permitted.
Contract Management is the largest category with eight questions, followed by Estimating and Bidding with seven.
Scheduling, Retakes, and Fees
Yes. For applicants approved on or after March 16, 2015, the current PSI bulletin requires all three portions on the first testing day.
PSI lists $84 for Electrical Contractor, $49 for Alarm Systems, and $47 for Business and Law, totaling $180.
Under the current rules for candidates approved in 2015 or later, candidates retake only failed portions and must observe the six-month wait after first or second attempts. All three portions must be passed within the permitted attempt and eligibility limits.
The current bulletin requires candidates approved on or after March 16, 2015 to pass all three examinations within three attempts. They must also complete them within five years of their eligibility date or reapply to the Board.
License Renewal and Continuing Education
The current triennial Electrical Contractor license renewal fee is $225.
Electrical contracting businesses are subject to the Board's business permit requirements. The current triennial business permit renewal fee is $150.
Electrical Contractors generally need 34 continuing education hours per three-year licensing cycle. The initial license period is exempt under the current regulation.
The current rule requires a ten-hour in-person course that includes nine hours of NEC study and one hour of New Jersey statutes and rules.
Contractor Exam Preps Products
Yes. The store sells New Jersey-specific Master Electrician study guides, NEC combos, calculation packages, and flash-card combinations.
The verified product includes a 2026 New Jersey Master Electrician Study Guide, 2026 Electrician Calculations Study Guide, 2026 NEC paperback with tabs, and 2026 Master Electrician Flash Cards.
Yes. The store lists a New Jersey Master Electrician Study Guide and NEC Combo based on the 2026 NEC, with twelve practice exams and two final exams described in the study guide.
Yes. The store lists NASCLA Contractor's Guide to Business, Law and Project Management, New Jersey, 2nd Edition, including highlighted and tabbed options.
No. Books and practice questions support preparation but do not guarantee examination scores, Board authorization, or licensing approval.
Watch this related 1ExamPrep video covering Master Electrician examination preparation, NEC codebook navigation, electrical calculations, study planning, and exam strategies.
The video is relevant to advanced electrical study for New Jersey Electrical Contractor candidates.
It is a general Master Electrician preparation video, not an official New Jersey PSI examination tutorial.
New Jersey reminder: PSI currently bases its Electrical Contractor code questions on the 2023 NEC. The newer 2026 NEC study materials discussed in general preparation should not be mistaken for the reference supplied at the New Jersey test center.
Creator: 1ExamPrep.
Video: 2026 Master Electrician Exam Prep License Study Guide.
Topics: Electrical theory, NEC navigation, electrical calculations, reference study, and examination preparation.
New Jersey license: Electrical Contractor.
New Jersey trade exam: 100 questions, 255 minutes, 70% passing.
Current PSI code: 2023 NEC.
Watch the 1ExamPrep Master Electrician Video on YouTube
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Use the official New Jersey Board and PSI bulletin for licensing requirements, examination rules, code editions, permitted references, and scheduling.
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Official state license: Electrical Contractor.
Required examinations: Electrical Contractor, Alarm Systems, Business and Law.
Trade: 100 questions, 255 minutes, 70% passing.
Trade NEC: 2023, supplied by PSI.
Business reference: New Jersey NASCLA 2nd Edition.
Related store products: New Jersey study guides, electrical calculations, NEC study books, and flash cards.
Preparing for advanced electrical contractor licensing in New Jersey is an important goal for experienced electricians who want to expand their professional opportunities.
Electrical contractors install, repair, modify, and manage electrical systems used throughout residential, commercial, and industrial buildings.
These systems include services, feeders, branch circuits, panelboards, motors, lighting, electrical controls, and specialized equipment.
Electrical contracting requires technical knowledge, safe work practices, and an understanding of the laws that regulate the business.
New Jersey regulates electrical contracting through the State Board of Examiners of Electrical Contractors.
Although many study products use the term Master Electrician, the primary statewide contracting credential is officially called Electrical Contractor.
The Board reviews candidate qualifications and authorizes the licensing examinations.
PSI administers the required tests.
Applicants must meet the Board's education and experience requirements.
The standard qualification includes a four-year approved electrical apprenticeship followed by at least one year of hands-on journeyman experience.
The post-apprenticeship experience must include at least 2,000 qualifying practical hours.
The Board also recognizes specific alternative experience and education pathways.
Candidates must provide employer certifications and supporting application documents.
The licensing examination process includes three separate portions.
These are Electrical Contractor, Alarm Systems Electrical Contractor, and Business and Law.
The Electrical Contractor trade examination contains 100 questions.
The current applicable time limit is 255 minutes.
Candidates must answer 70 questions correctly to pass.
The Alarm Systems examination contains 50 questions and allows 165 minutes.
The Business and Law examination contains 50 questions and allows 130 minutes.
Both require 70% passing.
First-time candidates approved under the current testing rules must take all three examinations on the same day.
Preparing for three different topics requires a clear study schedule.
The trade examination includes twelve official subject areas.
Grounding and Bonding is the largest category, with sixteen questions.
Motors and Controls follows with twelve questions.
General Electrical Knowledge, Raceways and Enclosures, and Services, Feeders, and Branch Circuits each include ten questions.
Conductors and Cables and Equipment for General Use each contain nine questions.
Low Voltage and Communications Circuits contains six questions.
Overcurrent Protection, Special Occupancies, and Special Equipment and Conditions each contain five questions.
Safety contains three questions.
All twelve categories total 100 trade questions.
Grounding and bonding deserve extra attention because these rules help protect electrical systems and people.
Students should review grounding electrode systems, equipment grounding conductors, bonding jumpers, service bonding, and fault-current paths.
Motors and controls also require careful study.
Review motor full-load currents, branch-circuit protection, overload protection, disconnecting means, and controller requirements.
Electrical calculations are another important part of preparation.
Candidates should practice services, feeders, branch circuits, conductor sizing, raceway fill, box fill, and motor-related calculations.
Knowing the correct formula is helpful.
Knowing how to apply the formula to an actual code problem is even better.
The current PSI Electrical Contractor examination uses the 2023 National Electrical Code.
PSI provides that book during the examination.
Candidates are not permitted to use personal NEC copies or mark the codebook provided by the test center.
New Jersey also currently adopts the 2023 NEC as its electrical subcode.
This is an important distinction because newer 2026 NEC study products are available.
Those books help electricians learn newer code concepts and practice NEC navigation, but the current PSI examination still uses the published 2023 code edition.
The Alarm Systems examination requires separate preparation.
Its subjects include fire alarms, intrusion systems, security applications, installation requirements, wiring methods, and special occupancies.
The approved reference list includes NFPA 72, 2022, and several specified NTC publications.
PSI provides the 2023 NEC for this examination, but candidates must bring the other authorized reference books.
Business and Law is the third required examination.
It covers business organization, licensing, estimating, contracts, project management, risk, safety, labor law, finance, taxes, and lien law.
The official approved book is the NASCLA Contractor's Guide to Business, Law and Project Management, New Jersey, 2nd Edition.
Contractor Exam Preps sells this exact edition, including highlighted and tabbed options.
Candidates should prepare the book according to PSI's reference rules.
Contractor Exam Preps also offers New Jersey Master Electrician study bundles.
The New Jersey Master Electrician Super Combo includes an electrical study guide, an Electrician Calculations Study Guide, a 2026 NEC paperback with tabs, and flash cards.
The New Jersey Master Electrician Study Guide and NEC Combo includes practice examinations and final exams.
The Flash Card Combo helps reinforce formulas, definitions, electrical concepts, and examination topics.
These products support study without replacing state eligibility requirements or official PSI references.
A six-week plan can make preparation easier to manage.
Start with electrical theory and the current examination rules.
Continue with grounding, bonding, conductors, motors, and services.
Then review raceways, equipment, special installations, alarm systems, and business law.
Finish with timed examinations and review of incorrect answers.
New Jersey also requires ongoing license renewal and continuing education.
Electrical Contractor licenses renew on a three-year cycle.
The current renewal fee is $225.
A business permit may have additional fees and requirements.
Contractors generally must complete 34 continuing education credits per cycle, including a required in-person NEC and New Jersey law course.
With the correct study resources, careful preparation, and a clear understanding of New Jersey's licensing rules, electricians can approach their Electrical Contractor examinations with greater confidence.
New Jersey Master Electrician Contractor Exam Prep helps experienced electrical professionals prepare for the state's Electrical Contractor licensing requirements and examinations.
New Jersey's main statewide advanced electrical contracting license is officially called Electrical Contractor.
The term Master Electrician is commonly used in study guides and career discussions.
The New Jersey State Board of Examiners of Electrical Contractors regulates the profession.
The Board reviews applications and determines examination eligibility.
PSI administers the required licensing examinations.
Applicants must meet New Jersey's age, education, and experience requirements.
The standard pathway includes a four-year approved electrical apprenticeship and one additional year of practical hands-on journeyman experience.
One qualifying practical year is defined as 2,000 hours.
The Board may recognize specified alternative pathways.
Applicants should provide employer certifications, education documents, and required application information.
The examination process requires three separate PSI tests.
The Electrical Contractor trade examination contains 100 questions.
The effective examination time limit is 255 minutes.
The passing score is 70%, meaning 70 correct answers.
The Alarm Systems Contractor examination contains 50 questions.
It allows 165 minutes and requires 70% passing.
The Business and Law examination contains 50 questions.
It allows 130 minutes and also requires 70% passing.
Together, the examinations contain 200 questions.
First-time candidates must take all three portions on their first testing day under the current eligibility rules.
The Electrical Contractor trade examination covers twelve subjects.
General Electrical Knowledge includes ten questions.
Raceways and Enclosures includes ten questions.
Services, Feeders, and Branch Circuits includes ten questions.
Overcurrent Protection includes five questions.
Conductors and Cables includes nine questions.
Grounding and Bonding includes sixteen questions.
Equipment for General Use includes nine questions.
Special Occupancies includes five questions.
Special Equipment and Conditions includes five questions.
Motors and Controls includes twelve questions.
Low Voltage and Communications Circuits includes six questions.
Safety includes three questions.
These categories total 100 questions.
Grounding and Bonding is the largest topic.
Students should study NEC Article 250 and understand grounding electrodes, grounding conductors, bonding jumpers, and electrical fault-current paths.
Motors and Controls is the second-largest category.
Important motor topics include conductor sizing, overcurrent protection, overload protection, controllers, and disconnecting means.
Electrical calculations are also important.
Candidates should practice load calculations, conductor ampacity, box fill, raceway fill, service sizing, feeders, and motor calculations.
Services and branch circuits are common subjects because they are used in many electrical installations.
Students should understand electrical distribution and equipment protection.
The trade examination is open book, but PSI provides the 2023 National Electrical Code.
Personal NEC copies cannot be used in the Electrical Contractor test.
Candidates cannot highlight or index the book supplied by PSI.
The 2023 NEC is also the currently adopted New Jersey electrical subcode.
Some Contractor Exam Preps study products are based on the 2026 NEC.
These can support updated-code study, but candidates should prepare using the 2023 NEC for the current New Jersey PSI examination.
The Alarm Systems examination has its own topics and reference books.
It covers general electrical knowledge, fire alarm applications, intrusion and security systems, installation requirements, wiring methods, and special conditions.
PSI provides the 2023 NEC for that examination.
Candidates must bring the other approved references.
These include NFPA 72, 2022, several 2025 NTC security-system books, and the listed CCTV reference.
The Business and Law examination covers the administrative side of contracting.
It includes business organization, licensing, estimating, bidding, contracts, project management, risk management, safety, labor law, financial management, taxes, and liens.
The required reference is NASCLA Contractor's Guide to Business, Law and Project Management, New Jersey, 2nd Edition.
Contractor Exam Preps sells that guide, including highlighted and tabbed versions.
Applicants should follow PSI's rules for personally supplied reference books.
The current published PSI examination fees are $84 for Electrical Contractor, $49 for Alarm Systems, and $47 for Business and Law.
The combined PSI cost is $180.
The Board charges a separate $100 application fee.
Additional licensing and business permit fees apply.
Electrical Contractor licenses generally renew every three years.
The current license renewal fee is $225.
Contractors generally must complete 34 hours of continuing education per triennial cycle, subject to the current rules and initial-license exemption.
Contractor Exam Preps offers related New Jersey Master Electrician preparation products.
The 2026 New Jersey Master Electrician Super Combo includes a study guide, electrical calculations guide, 2026 NEC book with tabs, and flash cards.
The 2026 New Jersey Master Electrician Study Guide and NEC Combo supports electrical code review and practice exams.
The New Jersey Master Electrician Flash Card Combo includes twelve practice exams and two full final exams.
These products provide structured learning resources for advanced electrical subjects.
They do not replace Board approval or PSI's approved reference rules.
A six-week study schedule can help candidates prepare.
Begin with basic electrical theory and code organization.
Spend extra time on grounding and bonding, motors, and controls.
Continue with conductors, services, feeders, branch circuits, raceways, and overcurrent protection.
Study alarm and security systems separately.
Review Business and Law with the New Jersey NASCLA guide.
Finish with timed practice examinations covering all three required tests.
Careful study, practical electrical knowledge, accurate calculations, the correct code edition, and proper licensing documentation can help candidates prepare more confidently for New Jersey Electrical Contractor licensing.
Explore New Jersey Master Electrician study guides, electrician calculations books, NEC materials, flash cards, and contractor Business and Law references at ContractorExamPreps.com.
