Important Tennessee terminology: "Master Electrician" is useful exam-prep language, but Tennessee's official statewide contractor classification is CE Electrical Contractor. The NASCLA Electrical Contractor exam is a master-level trade examination accepted through participating licensing programs. Passing the exam is not the same thing as receiving the Tennessee CE license.
The NASCLA Accredited Trade Examination for Electrical Contractors is designed for Electrical Contractors, Master Electricians, Unlimited Electricians, Qualifying Agents, and other experienced electrical professionals pursuing contractor-level recognition in participating jurisdictions.
Tennessee participates in the NASCLA electrical program. The statewide contractor classification that most closely matches the broad master-level electrical scope is CE Electrical Contractor.
The full CE classification covers electrical work for buildings and structures and includes Tennessee's electrical contracting categories. Electrical prime contractors and qualifying electrical subcontractors must hold the appropriate contractor license when Tennessee's contractor licensing rules apply.
The NASCLA exam goes beyond basic installation work. It includes electrical theory, NEC navigation, safety, project design, project management, energy standards, business concepts, electrical equipment, special installations, and contractor-level responsibilities.
Official exam: NASCLA Accredited Trade Examination for Electrical Contractors.
Common description: Master Electrician / Unlimited Electrician examination.
Scored questions: 100.
Time: 270 minutes / 4.5 hours.
Passing score: 75 correct answers.
Format: open book and computer based.
Tennessee contractor classification: CE Electrical Contractor.
Additional Tennessee exam: Contractor Business and Law for new contractor applicants.
The Tennessee NASCLA Master Electrical Contractor Exam Book Package provides the electrical, safety, project management, energy, business, OSHA, and theory references used for preparation.
The NASCLA exam handles the master-level trade examination. Tennessee still controls the contractor license itself.
| Step | Authority / Requirement | What to Verify |
|---|---|---|
| Classification | Tennessee Board for Licensing Contractors | Confirm CE Electrical Contractor matches the work your business intends to perform |
| Qualifying Agent | Tennessee Board | Identify the person who will qualify the company for the required examination |
| NASCLA Application | NASCLA National Examination Database | Apply and obtain NASCLA approval before scheduling |
| NASCLA Exam | NASCLA / PSI | 100 scored questions, 270 minutes, open book, 75 correct to pass |
| Business & Law | Tennessee / Prov | 50 questions, 150 minutes, open book, 73% passing for new contractor applicants |
| Financial Qualification | Tennessee Board | Requested monetary limit and current financial-statement or surety-bond requirements |
| Insurance | Tennessee Board | General liability and workers' compensation coverage or applicable exemption |
| Final License | CORE / Tennessee Board | Complete the contractor application, provide supporting documentation, pay the current fee, and receive Board approval |
The master-level exam and the Tennessee contractor license come from different parts of the licensing process. Keep the examination credential and the final state license separate.
| Verified Point | Authority | Current Result |
|---|---|---|
| Master-level exam | NASCLA | Electrical Contractor / Master Electrician examination |
| Tennessee participation | NASCLA | Tennessee Board for Licensing Contractors is listed for the Electrical Contractor / Master Electrician exam |
| Scored questions | Current NASCLA electrical examination | 100 |
| Passing requirement | NASCLA | 75 correct answers |
| Time | NASCLA | 270 minutes |
| Format | NASCLA | Open book |
| Tennessee classification | Tennessee Board | CE Electrical Contractor |
| Business & Law | Current Tennessee / Prov program | 50 questions, 150 minutes, 73% passing, open book |
| Initial contractor fee | Tennessee Board | $250 |
| Contractor renewal | Tennessee Board | $200 |
Contractor threshold: Tennessee generally requires the appropriate contractor license before contracting on qualifying projects of $25,000 or more. Electrical subcontractors are also included when their electrical portion reaches the applicable contractor threshold.
The current NASCLA Electrical Contractor examination contains 100 scored questions across 9 subject areas.
General Code Requirements and Wiring and Protection are tied for the largest categories at 17 questions each.
Wiring Methods and Materials follows with 16 questions. Equipment for General Use contains 13 questions, and Electrical Theory and Principles contains 11.
Safety contains 9 questions. Project Design and Management and Special Occupancies, Special Equipment, and Special Conditions contain 8 each. Communication Systems contains 1.
The big lesson is easy to remember: this is not just an NEC lookup exam. It expects you to think like an experienced electrician and like the person responsible for managing the electrical project.
Study like an electrician and a contractor. The exam rewards strong code navigation, but it also tests project management, safety, electrical theory, energy requirements, and contractor-level decision making.
General Code Requirements: review NEC definitions, installation rules, working spaces, equipment ratings, listing and labeling, identification, general requirements, and code organization.
Wiring and Protection: study branch circuits, feeders, services, load calculations, overcurrent protection, grounding, bonding, and conductor protection.
Wiring Methods and Materials: review raceways, cables, conductors, boxes, fittings, supports, wet and dry locations, conduit fill, and installation requirements.
Equipment for General Use: study motors, transformers, appliances, luminaires, receptacles, switches, generators, and electrical equipment.
Electrical Theory: practice voltage, current, resistance, power, AC theory, circuits, transformers, motors, power factor, and calculations.
Project Management: review planning, scheduling, risk, coordination, procurement, quality, cost control, documentation, and contractor responsibilities.
The Tennessee NASCLA Master Electrical Contractor Highlighted & Tabbed Book Package organizes the current electrical, safety, energy, business, project-management, and theory references for open-book preparation.
Master-level preparation means moving beyond "Where is that NEC article?" You also need to know why the system is designed that way, how to calculate it, how to protect it, and how to manage the project around it.
Tennessee Master Electrician exam-prep illustration for NEC navigation, system design, calculations, electrical safety, and project management.
Move from classification selection through NASCLA approval, master-level testing, Business and Law, financial qualification, insurance, and Tennessee Board approval.
Verify that Tennessee's full CE electrical classification matches the residential, commercial, industrial, and building electrical work your company plans to contract.
Identify the owner, officer, partner, or qualifying full-time employee who will qualify the contractor entity for the required examination.
Submit the electrical examination application through the NASCLA National Examination Database. Current NASCLA guidance lists a $65 application fee and provides one year of examination eligibility after approval.
After NASCLA approval, follow the scheduling instructions for the current examination administrator and verify the current candidate bulletin.
Prepare for 100 scored questions, 270 minutes, open-book testing, and a minimum passing score of 75.
New Tennessee contractor applicants complete the separate 50-question Business and Law examination.
Establish the requested monetary limit and provide the current financial statement or qualifying surety-bond documentation, plus required liability and workers' compensation information.
Complete the CORE application, attach required supporting documents, pay the current $250 initial fee, and wait for Board approval before contracting where the license is required.
The current NASCLA content outline assigns all 100 scored questions across these 9 subject areas.
Study priority: General Code Requirements, Wiring and Protection, and Wiring Methods and Materials combine for 50 of the 100 scored questions. Add Equipment for General Use and Electrical Theory, and those five subjects account for 74 scored questions.
Use the current NASCLA testing bulletin as the final authority for permitted titles, editions, tabs, markings, and examination-room materials.
| Reference | Primary Study Use | Current Preparation Role |
|---|---|---|
| National Electrical Code, 2023 | Services, feeders, branch circuits, conductors, grounding, bonding, overcurrent protection, wiring methods, equipment, special occupancies, and communications | Core electrical code reference |
| 29 CFR Part 1926 | Construction safety, fall protection, ladders, tools, electrical hazards, PPE, excavations, and contractor jobsite safety | Construction safety reference |
| 29 CFR Part 1910 | General-industry safety, electrical hazards, workplace rules, employer responsibilities, and hazard controls | General-industry safety reference |
| A Guide to the Project Management Body of Knowledge, 7th Edition | Planning, scheduling, communication, risk, stakeholders, quality, resources, project delivery, and management | Project management reference |
| ANSI/ASHRAE/IES Standard 90.1-2022 | Building energy efficiency, lighting, controls, electrical power, and energy requirements | Energy standard |
| NASCLA Contractors Guide to Business, Law and Project Management, Basic 14th Edition | Business operations, contracts, estimating, risk, project management, financial practices, and contractor responsibilities | Contractor business reference |
| NFPA 70E, 2024 | Shock protection, arc-flash safety, risk assessment, PPE, boundaries, and safe electrical work practices | Electrical workplace safety |
| Ugly's Electrical References, 2023 | Electrical formulas, tables, conversions, motors, transformers, conductor data, and practical calculations | Field and calculation reference |
| Understanding Electrical Theory for NEC Applications | Voltage, current, resistance, power, circuits, transformers, motors, formulas, and NEC-based theory | Electrical theory reference |
Code-edition reminder: 1 Exam Prep also sells newer Tennessee Master Electrician study materials based on the 2026 NEC. For the NASCLA examination, always match your final code practice to the edition permitted by the current NASCLA candidate bulletin for your actual appointment.
Open-book strategy: the goal is not to memorize nine large references. Learn which book answers which type of question, then practice finding the exact section, table, formula, or standard quickly enough to use it under real exam timing.
Tennessee's full CE Electrical Contractor classification covers electrical work for buildings and structures and represents the state's broad electrical contractor classification.
The CE classification covers Tennessee's electrical categories for residential, commercial, and industrial projects.
The classification can include work involving building wiring, services, feeders, branch circuits, electrical equipment, transmission, substations, signs, communications, controls, fire detection, roadway systems, meter installation, and other electrical categories subject to the scope of the license.
Electrical prime contractors and electrical subcontractors must hold the appropriate contractor license when Tennessee contractor licensing law applies.
Master Electrician vs CE: "Master Electrician" describes the advanced NASCLA examination level. The Tennessee license itself is the CE Electrical Contractor classification. Use the master-level exam for trade qualification, then complete the Tennessee licensing process.
These electrical pathways solve different licensing problems.
| Path | Main Purpose | Exam / Authority | Important Difference |
|---|---|---|---|
| NASCLA Master Electrical | Master / Unlimited / contractor-level trade qualification | NASCLA electrical examination | Advanced trade examination accepted by participating jurisdictions; not a license by itself |
| NASCLA Journeyman Electrician | Journeyman-level electrical trade qualification | NASCLA journeyman examination | Lower trade level than the Electrical Contractor / Master examination |
| Tennessee LLE | Limited electrical work where the state program applies | Tennessee / Prov | Generally applies to qualifying projects under $25,000 and is separate from contractor licensing |
| Tennessee CE | Full statewide electrical contractor classification | Tennessee Board for Licensing Contractors | Actual Tennessee contractor license with classification, monetary limit, financial, insurance, and business requirements |
Current fees: Tennessee currently lists a $250 initial contractor fee and a $200 contractor renewal fee.
Surety-bond option: beginning July 1, 2026, Tennessee permits its approved Contractors' Surety Bond as an alternative to the CPA-reviewed or audited financial-statement route when current requirements are satisfied.
Combine master-level NEC study, electrical theory, safety, project management, energy requirements, and open-book speed.
This is an advanced contractor-level electrical examination, so the difficulty comes from both breadth and depth.
You need strong NEC knowledge, but the exam also expects electrical theory, safety, equipment knowledge, energy-code awareness, project design, and management skills.
The four largest categories, General Code Requirements, Wiring and Protection, Wiring Methods and Materials, and Equipment for General Use, make up 63 percent of the scored exam.
The 270-minute time limit works out to about 2.7 minutes per scored question. That sounds comfortable until a transformer calculation, an OSHA lookup, and a project-management question all decide to arrive together.
Good candidates know enough electrical work to recognize the answer path quickly and enough about the references to confirm details without losing the clock.
Pacing tip: 100 scored questions in 270 minutes gives you an average of 2.7 minutes per scored question. Bank time on familiar NEC and theory questions, then use that time for project management, calculations, special systems, and deeper reference searches.
Prefer to own the books? The Tennessee NASCLA Master Electrical Contractor Exam Book Package provides the master-level electrical reference library.
Want newer NEC study materials? The 2026 Tennessee Master Electrician Study Guide + NEC Combo is available for current-code education. Match final exam practice to the NEC edition authorized for your actual NASCLA examination.
Tennessee Business and Law: view Tennessee Business and Law Exam Prep .

This Tennessee-specific 1 Exam Prep credential image is directly related to the NASCLA Master Electrical Contractor exam pathway.
• Tennessee master-level electrical contractor preparation
• 100 scored NASCLA questions
• 270-minute / 4.5-hour examination
• 75 correct answers required to pass
• Open-book computer examination
• NEC code navigation and electrical theory
• Services, feeders, branch circuits, motors, grounding, and equipment
• Project design, management, energy standards, OSHA, and NFPA 70E
• Tennessee CE contractor licensing process after trade qualification
Prepare like the person responsible for the whole project. Master-level testing is not only about installing wire correctly. It also asks whether you understand the code, the calculations, the safety rules, the design, and the management decisions behind the electrical job.
Tennessee Master Electrical Licensing
NASCLA Master Exam Basics
Exam Topics
References and Open-Book Rules
Tennessee Contractor Licensing
1 Exam Prep
Watch this directly related 1 Exam Prep video focused on the Tennessee NASCLA Master Electrical Contractor exam. Use it to reinforce master-level exam strategy, reference organization, open-book navigation, electrical calculations, and contractor-level preparation.
Study tip: watch the video with your master-level references nearby. When NEC navigation, project management, OSHA, NFPA 70E, ASHRAE, electrical theory, or calculations come up, practice locating that topic in the book you would use during the actual examination.
Combine current NASCLA and Tennessee Board information with structured 1 Exam Prep master electrical courses, reference packages, Business and Law preparation, and contractor licensing resources.
Build faster NEC navigation, stronger electrical theory, better load-calculation skills, confidence with grounding, bonding, services, feeders, branch circuits, motors, transformers, wiring methods, electrical safety, energy standards, project management, Business and Law, and Tennessee CE contractor licensing.
Questions? Call 877-775-9400
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Tennessee Master Electrician Exam Prep