NASCLA Journeyman Electrician Exam Book Package

Prepare for the NASCLA Accredited Examination for Journeyman Electricians with a coordinated collection of approved reference materials designed for the current open-book examination. The NASCLA Journeyman Electrician Exam Book Package brings together seven essential electrical code, workplace safety, fire alarm, and electrical theory references used to develop questions for the examination and permitted in the testing center.

This package is built for electricians who want the correct references in one convenient set. Instead of searching for each title separately and risking an incorrect edition, candidates receive the principal books covering the National Electrical Code, OSHA construction regulations, OSHA general industry standards, electrical workplace safety, practical electrical reference information, fire alarm and signaling requirements, and electrical theory.

The NASCLA Accredited Examination for Journeyman Electricians evaluates the knowledge and skills associated with installing, maintaining, troubleshooting, and repairing electrical systems in accordance with applicable codes and accepted trade practices. Because this is an open-book examination, candidates must do more than own the approved books. Effective preparation also requires understanding how the references are organized, knowing which book applies to a particular subject, and developing the ability to locate information under timed conditions.

The package supports preparation across the examination’s major knowledge areas, including electrical safety, theory and principles, testing and troubleshooting, general code requirements, wiring and protection, wiring methods and materials, equipment for general use, special occupancies, special equipment, special conditions, communication systems, and the interpretation of plans and specifications.

Each reference serves a different purpose. The National Electrical Code is the central source for installation rules and code-based requirements. The OSHA references address workplace safety requirements in construction and general industry. NFPA 70E focuses on electrical safety practices in the workplace. NFPA 72 covers fire alarm and signaling systems. Ugly’s Electrical References offers commonly used formulas, tables, and field information, while Understanding Electrical Theory for NEC Applications reinforces the principles behind electrical calculations and code applications.

Organizing study around the official subject areas can help candidates avoid spending all their preparation time in a single book. A strong study plan should combine code navigation, electrical calculations, safety review, blueprint interpretation, troubleshooting concepts, and repeated practice locating information across multiple references.

Exam Details

The NASCLA Accredited Examination for Journeyman Electricians contains 100 scored questions. Candidates must answer at least 70 questions correctly to achieve the minimum passing score. The examination allows 300 minutes, giving candidates five hours to work through the scored questions and any additional non-scored experimental items included for examination-development purposes.

The examination content is divided among ten subject areas:

• Interpreting Plans and Specifications: 6 scored questions
• Basic Electrical Safety: 8 scored questions
• Electrical Theory and Principles: 10 scored questions
• Testing and Troubleshooting: 7 scored questions
• General Code Requirements: 15 scored questions
• Wiring and Protection: 18 scored questions
• Wiring Methods and Materials: 16 scored questions
• Equipment for General Use: 10 scored questions
• Special Occupancies and Special Equipment: 8 scored questions
• Special Conditions and Communication Systems: 2 scored questions

Ten non-scored experimental questions may also be administered. These questions are used to support the development of future licensing examinations and do not count toward the candidate’s final score.

A physical diagram or blueprint packet is provided at the testing center. Candidates may also use a silent, nonprinting, non-programmable calculator during the examination. The testing format presents one question at a time, and candidates may return to previously answered questions while examination time remains.

Wiring and protection, wiring methods and materials, and general code requirements represent a substantial portion of the scored examination. Candidates should dedicate meaningful preparation time to conductor requirements, grounding and bonding, overcurrent protection, raceways, cables, boxes, equipment installation, branch circuits, feeders, services, and other NEC-based subjects. Preparation should also cover safety, theory, plans, troubleshooting, special installations, and communication systems because every content area contributes to the final score.

Open Book Test

The NASCLA Journeyman Electrician examination is an open-book test. Candidates are responsible for bringing their permitted references to the testing center because the books are not supplied at the examination site.

Approved reference materials may be highlighted, underlined, and indexed. Permanent tabs may be used to organize sections and improve navigation. Temporary tabs, including removable notes such as Post-it products, are not permitted. References must otherwise remain unmarked and may not contain handwritten notes, loose sheets, attached papers, or other added material.

Open-book testing rewards preparation and familiarity. Five hours may sound generous, but looking up every answer from the beginning of a book can quickly consume valuable time. Candidates should practice identifying the correct reference, locating the applicable chapter or article, reading tables accurately, and confirming that exceptions or special conditions do not change the answer.

A practical preparation method is to study each reference individually before working with the entire package. Learn the table of contents, index, chapter structure, major articles, appendices, formulas, and frequently used tables. Once that foundation is established, complete mixed practice sessions that require movement among the NEC, OSHA standards, NFPA publications, and electrical theory material.

Permanent tabs should support navigation rather than replace knowledge. Tabs are most useful when they identify major divisions, frequently tested articles, calculation resources, safety sections, and other high-value locations. Candidates should confirm that all book preparation complies with the current testing-center rules before examination day.

Licensing Steps

The NASCLA examination is a trade examination used by participating regulatory agencies. Passing the examination does not automatically issue a journeyman electrician license. Licensing remains under the authority of the state or local agency to which the candidate applies.

1. Identify the licensing jurisdiction. Determine which state, county, city, or other regulatory agency will issue the desired journeyman electrician credential.
2. Confirm acceptance of the examination. Verify that the jurisdiction accepts the NASCLA Accredited Examination for Journeyman Electricians for the applicable license classification.
3. Meet the jurisdiction’s eligibility rules. Complete any required experience, education, apprenticeship, documentation, or application requirements established by the licensing authority.
4. Complete the examination application process. Follow the current NASCLA and testing-provider procedures for approval and scheduling.
5. Prepare with the approved references. Study the examination content outline and become familiar with each permitted book.
6. Schedule and take the examination. Follow the testing provider’s identification, security, calculator, reference-book, and examination-center rules.
7. Access the examination record. After a passing result is processed, the candidate’s information is stored in the NASCLA National Examination Database.
8. Send the transcript to an accepting agency. Candidates can use the database to purchase and electronically transmit examination results to participating regulatory agencies.
9. Complete the licensing application. Submit all additional forms, fees, experience records, and supporting documents required by the chosen jurisdiction.

State Requirements

Journeyman electrician licensing requirements are established by individual jurisdictions. An agency may require documented electrical work experience, completion of an apprenticeship program, classroom education, employer verification, application approval, a background review, additional examinations, or other supporting materials.

Acceptance of a NASCLA examination result does not eliminate state-specific licensing requirements. A participating agency may use the NASCLA result to satisfy its trade-examination requirement while still requiring the applicant to complete the remainder of its licensing process. Candidates should review the rules for the exact jurisdiction and license classification in which they plan to work.

Some jurisdictions administer electrical licensing at the state level, while others may involve local authorities. The license classification, scope of permitted work, supervision rules, renewal requirements, and continuing education obligations can differ. Candidates should select the appropriate jurisdiction before registering so that the examination aligns with their licensing objective.

After passing the examination, candidates may use the NASCLA National Examination Database to transmit their results to agencies that accept the credential. The receiving agency evaluates the complete license application and determines whether the applicant satisfies its requirements.

Reference Books

• National Electrical Code, 2023
  The 2023 National Electrical Code provides the core requirements for electrical installations. It addresses wiring and protection, wiring methods, equipment, special occupancies, special equipment, special conditions, and communication systems. This is the principal code reference for a large portion of the examination.
• Code of Federal Regulations – 29 CFR 1926 – OSHA Construction Industry Regulations
  This OSHA reference covers federal workplace safety requirements applicable to construction activities. It supports preparation for questions involving construction-site hazards, employee protection, electrical safety, personal protective equipment, and safe work practices.
• Code of Federal Regulations – 29 CFR 1910 – OSHA Occupational Safety and Health Standards
  This reference contains federal occupational safety and health standards for general industry. It provides important safety information related to workplace conditions, electrical hazards, equipment, employee protection, and employer responsibilities.
• NFPA 70E – Standard for Electrical Safety in the Workplace, 2024
  NFPA 70E addresses electrical safety-related work practices. It covers hazard assessment, shock and arc-flash protection, approach boundaries, personal protective equipment, energized work considerations, and procedures intended to reduce exposure to electrical hazards.
• Ugly’s Electrical References, 2023
  Ugly’s Electrical References is a compact field resource containing commonly used electrical formulas, tables, conversion information, conductor data, motor information, and practical reference material. It can support efficient review of calculations and field-oriented electrical information.
• NFPA 72 – National Fire Alarm and Signaling Code, 2022 Edition
  NFPA 72 provides requirements for fire alarm systems, emergency communication systems, signaling equipment, notification appliances, initiating devices, inspection, testing, and related system functions.
• Understanding Electrical Theory for NEC Applications
  This electrical theory reference connects foundational principles with practical NEC applications. It supports preparation involving voltage, current, resistance, power, circuits, formulas, calculations, and the reasoning used to solve electrical problems.

Exam Room Approved Books

The seven books included in this package are approved references for the open-book NASCLA Accredited Examination for Journeyman Electricians:

• National Electrical Code, 2023
• Code of Federal Regulations – 29 CFR 1926 – OSHA Construction Industry Regulations
• Code of Federal Regulations – 29 CFR 1910 – OSHA Occupational Safety and Health Standards
• NFPA 70E – Standard for Electrical Safety in the Workplace, 2024
• Ugly’s Electrical References, 2023
• NFPA 72 – National Fire Alarm and Signaling Code, 2022 Edition
• Understanding Electrical Theory for NEC Applications

The examination bulletin also identifies the National Electrical Code Handbook as an alternative to the standard National Electrical Code for the approved code editions. This package includes the 2023 National Electrical Code listed in the package contents.

Optional indexing references may be permitted under separate testing rules, but they are not part of this seven-book package. Optional materials may be subject to stricter restrictions concerning highlighting, tabs, and markings. Candidates should use the current candidate bulletin to confirm all examination-center policies.

Test Information and Study Materials

The most effective preparation begins with the official examination content outline. Use the number of questions in each subject area to create a balanced study schedule. High-volume subjects deserve additional practice, but lower-volume topics should not be ignored because each correct answer contributes to the passing score.

Begin with NEC organization and navigation. Practice moving between the index, articles, tables, definitions, and annex material. Learn how general requirements interact with rules for specific equipment, occupancies, and conditions. Many code questions require more than finding a single sentence; the correct response may depend on an exception, a definition, a table note, or a requirement located in another article.

For wiring and protection, review conductor ampacity, overcurrent protection, branch circuits, feeders, services, grounding, bonding, voltage drop concepts, and equipment protection. For wiring methods and materials, study raceways, cables, boxes, fittings, conductor installation, fill requirements, support, and permitted uses.

Electrical theory preparation should include Ohm’s law, power relationships, series and parallel circuits, alternating-current concepts, transformers, motors, and common calculation methods. Work problems by hand and practice selecting the correct formula before using a calculator.

Safety study should incorporate both OSHA references and NFPA 70E. Develop an understanding of workplace hazards, protective measures, electrical safety-related work practices, personal protective equipment, and the distinction between construction and general-industry requirements.

Blueprint and specification practice should focus on symbols, schedules, notes, dimensions, circuit information, equipment identification, and the relationship between drawings and written requirements. Testing and troubleshooting preparation should reinforce meter use, systematic diagnosis, circuit behavior, and the identification of likely electrical faults.

Timed practice is especially valuable. Set up the books as they will be used during the examination, then work through mixed questions without relying on electronic search tools. Track how long it takes to select a reference and locate an answer. Review missed questions to determine whether the issue was technical knowledge, calculation accuracy, code interpretation, or slow navigation.

How 1 Exam Prep Helps You Reach Your Goal

1 Exam Prep helps electrical professionals approach exam preparation with a more organized and practical study structure. The goal is not simply to collect books, but to understand how the references support the knowledge areas measured on the NASCLA Journeyman Electrician examination.

This book package places the principal approved references in one coordinated collection, helping candidates spend less time searching for individual titles and more time preparing. The selected editions align with the listed examination references and cover code requirements, electrical safety, fire alarm systems, field calculations, and electrical theory.

Preparation should be trade-focused and practice-oriented. Candidates benefit from reviewing one subject area at a time, working through calculations, locating code provisions, comparing related safety standards, and gradually building speed across the full reference set. A structured plan also makes it easier to identify weak areas before examination day.

Reference navigation is a major part of open-book exam readiness. 1 Exam Prep encourages candidates to become familiar with book organization, indexes, tables, permanent tabs, and frequently used sections. Repeated navigation practice can improve efficiency and reduce the pressure of searching unfamiliar books during a timed examination.

A consistent study routine builds confidence through preparation rather than promises. By combining trade knowledge, code review, safety standards, electrical theory, blueprint interpretation, and timed reference practice, candidates can arrive at the testing center with a clear strategy for managing the examination.

Is the NASCLA Journeyman Electrician exam open book?

Yes. The NASCLA Accredited Examination for Journeyman Electricians is an open-book examination. Candidates must bring their permitted references because the testing center does not provide them.

How many questions are on the examination?

The examination contains 100 scored questions. Ten additional non-scored experimental questions may also be administered for future examination development.

What score is required to pass?

Candidates must answer at least 70 of the 100 scored questions correctly.

How much time is allowed?

The examination allows 300 minutes, which equals five hours.

Can the books be highlighted or tabbed?

Approved references may be highlighted, underlined, and indexed. Permanent tabs are permitted. Temporary tabs, handwritten notes, loose papers, and attached additional papers are not permitted.

Are the books supplied at the testing center?

No. Candidates are responsible for bringing their approved references to the examination center.

Does passing the exam automatically provide a license?

No. Passing the examination satisfies an examination component for participating jurisdictions. Candidates must still apply to the appropriate licensing authority and meet its experience, education, documentation, fee, and application requirements.

What subjects should I study most?

Wiring and protection, wiring methods and materials, and general code requirements contain the largest numbers of scored questions. Candidates should also prepare for safety, electrical theory, troubleshooting, plans and specifications, equipment, special installations, and communication systems.

Can I use a calculator during the examination?

A silent, nonprinting, non-programmable calculator is permitted in the examination center.

How are passing results used for licensing?

Passing results are stored in the NASCLA National Examination Database. Candidates may use the database to transmit their examination transcript to participating regulatory agencies while completing the applicable licensing process.