Master Electrician NEC Theory

9 states · 102 open-book study guides (NEC 2026 · NEC 2023) — every explanation cites the exact NEC article or table

Free full-length open-book NEC theory for Master Electrician exams across the United States — Texas Master Electrician, Colorado, New Hampshire, Vermont, Maine, Delaware, Arkansas, Kentucky, Wyoming: the NEC Knowledge portion and the Calculations portion where applicable. Every chapter is written for the open-book format and cites the exact article or table — learn how to navigate the code, find the section, and apply the requirement the way each state's exam expects.

Texas Master Electrician

Texas Master Electrician licensing guide

Calculations

1Calculations and Theory 2Electrical Services, Service Equipment, and Separately Derived Systems 3Electrical Feeders 4Branch Circuit Calculations and Conductors 5Electrical Wiring Methods and Electrical Materials 6Electrical Equipment and Devices 7Motors and Generators 8Electrical Control Devices and Disconnecting Means 9Special Occupancies, Equipment, and Conditions 10Renewable Energy Technologies

NEC Knowledge

1Definitions, Theory, and Plans 2Electrical Services, Service Equipment, and Separately Derived Systems 3Electrical Feeders 4Branch Circuit Conductors 5Electrical Wiring Methods and Electrical Materials 6Electrical Equipment and Devices 7Motors and Generators 8Electrical Control Devices and Disconnecting Means 9Special Occupancies, Equipment, and Conditions 10Renewable Energy Technologies

Colorado

Colorado licensing guide

Master Electrician

1General Electrical Knowledge 2Services, Feeders & Branch Circuits 3Grounding & Bonding 4Overcurrent Protection 5Conductors & Cables 6Raceways & Boxes 7Special Conditions 8Special Occupancies 9Special Equipment 10Electrical Devices 11Motors 12Transformers 13Electrical Calculations

New Hampshire

New Hampshire licensing guide

Master Electrician

1General Electrical Knowledge 2Equipment for General Use 3Motors & Generators 4Control Devices 5Special Conditions 6Special Equipment 7Special Occupancies 8Services & Service Equipment 9Branch Circuits & Conductors 10Feeders 11Wiring Methods & Materials 12Administrative (NH law/rules)

Vermont

Vermont licensing guide

Master Electrician

1Equipment for General Use 2General Electrical Knowledge 3Motors & Controls 4Special Conditions 5Special Equipment 6Special Occupancies 7Wiring & Protection 8Wiring Methods & Materials 9Local Amendments

Maine

Maine licensing guide

Master Electrician

1General Electrical Knowledge 2Communication Systems 3Equipment for General Use 4Service, Feeders & Branch Circuits 5Motors & Controls 6Special Conditions 7Special Equipment 8Special Occupancies 9Wiring & Protection 10Wiring Methods & Materials

Delaware

Delaware licensing guide

Master Electrician

1General Electrical Knowledge 2Plan Reading 3Equipment for General Use 4Wiring & Protection 5Wiring Methods & Materials 6Motors & Controls 7Special Conditions 8Special Equipment 9Special Occupancies 10Communication Systems

Arkansas

Arkansas licensing guide

Master Electrician

1Grounding & Bonding 2General Knowledge of the Trade & Calculations 3Service, Feeders, Branch Circuits & Overcurrent Protection 4Raceways & Enclosures 5Conductors 6Motors & Controls 7Utilization & General Use Equipment 8Special Occupancies & Equipment 9Low Voltage Circuits incl. Alarms & Communications 10Safety

Kentucky

Kentucky licensing guide

Standard Master Electrician

1General Knowledge & Plan Reading 2Services & Service Equipment 3Feeders 4Branch Circuits & Conductors 5Wiring Methods & Materials 6Equipment & Devices 7Control Devices 8Motors & Generators 9Special Occupancies, Equipment & Conditions

Wyoming

Wyoming licensing guide

Master Electrician

1General Knowledge & Plan Reading 2Services & Service Equipment 3Feeders 4Branch Circuits & Conductors 5Wiring Methods & Materials 6Equipment & Devices 7Control Devices 8Motors & Generators 9Special Occupancies, Equipment & Conditions

Ready to test what you just read?

Practice with official-blueprint exam simulations, code-cited explanations and the AI tutor — free first chapter of every exam.

Try Free Questions Create Free Account