What's on the Delaware Master Electrician Exam (2023 NEC)
The 10 content areas of Prov's Delaware Master Electrician exam and how many of the 80 questions come from each, the three open-book references, and the NEC edition Delaware tests since January 1, 2026.
What's on the Delaware Master Electrician Exam (2023 NEC)
Prov's Delaware Master Electrician exam has 80 questions in 3 hours, open book, and you need 75% (60 correct). That is 2.25 minutes a question, the tightest pace of Delaware's electrical exams. General Electrical Knowledge alone is nearly a quarter of it.
The outline
These are the counts in Prov's Delaware Candidate Information Bulletin:
| Content area | Questions |
|---|---|
| General Electrical Knowledge | 19 |
| Wiring and Protection | 15 |
| Wiring Methods and Materials | 15 |
| Motors and Controls | 7 |
| Equipment for General Use | 5 |
| Plan Reading | 4 |
| Special Conditions | 4 |
| Special Equipment | 4 |
| Special Occupancies | 4 |
| Communication Systems | 3 |
| Total | 80 |
There is no law or business section.
The references
Prov's master list, all open book:
- The NEC
- The American Electrician's Handbook, 17th edition
- Ugly's Electrical References
Highlighting, pen underlining and permanent tabs are allowed; notes, sticky notes, movable tabs and photocopies are not. Bring a four-function calculator.
Which NEC edition
The Board says every electrical exam is based on the NEC adopted in Delaware: the 2023 NEC since January 1, 2026, adopted by the State Fire Prevention Commission with no Delaware amendments. Prov's last public bulletin (June 2025) still lists the 2020 NEC and Ugly's 2020, the editions current when it was written, so check the list in the bulletin Prov emails you. If you bring 2020 books, know that the 2023 edition renumbered the non-dwelling lighting and receptacle demand tables in Article 220, added a load rule for EV chargers (220.57) and split the old Article 725 into Articles 722 and 724.
What each area draws on
- General Electrical Knowledge (19): theory and formulas (Ohm's law, power, power factor, voltage drop, transformers) from the handbook and Ugly's, plus NEC Article 100 definitions, Article 110 requirements and the Chapter 9 tables.
- Wiring and Protection (15): NEC Chapter 2. Branch circuits, feeders, service and feeder load calculations, services, overcurrent protection, and grounding and bonding.
- Wiring Methods and Materials (15): NEC Chapter 3. Conductor ampacity and adjustment, boxes and box fill, cable and raceway types and conduit fill.
- Motors and Controls (7): Articles 430 and 440: full-load current tables, conductor sizing, branch-circuit and overload protection, disconnects, and motor control circuits.
- Equipment for General Use (5): NEC Chapter 4: panelboards, luminaires, appliances, space heating, transformers and generators.
- Plan Reading (4): symbols, one-line diagrams, device function numbers and taking off loads from drawings.
- Special Conditions, Equipment and Occupancies (12 in all): NEC Chapters 7, 6 and 5: emergency and standby systems, signs, solar PV, hazardous locations and health care.
- Communication Systems (3): NEC Chapter 8.
Practice
Our Delaware Master practice test follows this outline, with every answer cited to the 2023 NEC or the handbook it comes from. For eligibility, see the master requirements; for test day, see Delaware Master exam day.
Ready to pass Delaware Master Electrician?
Start your prep with unlimited practice tests and codebook-referenced answers.
Start Studying →
