Exam E2
Commercial Electrical Inspector
Inspecting commercial electrical installations: services, feeders, branch circuits, equipment, special occupancies and special systems.
- Questions
- 80
- Time limit
- 210 min
- Per question
- 158 sec
- Book
- Open
Where the marks sit
Branch Circuit and Feeder Requirements carries 19 percent on its own. Study time should follow this, not the order of the chapters.
Transcribed from ICC's published E2 content outline. Areas sum to 100 percent.
Full topic breakdown
Common questions
How many questions are on the ICC E2 exam?
The E2 Commercial Electrical Inspector exam has 80 multiple-choice questions with a 210-minute limit, which works out to about 158 seconds per question.
Is the ICC E2 exam open book?
Yes. The E2 is an open-book exam. The constraint is time rather than recall: you have roughly 158 seconds per question including the lookup.
How long is the ICC E2 exam?
210 minutes, or 3.5 hours, for 80 questions.
What is on the ICC E2 exam?
8 topic areas. The heaviest is Branch Circuit and Feeder Requirements at 19 percent, followed by Wiring Methods and Distribution Systems at 19 percent. The full weighting is published by ICC and reproduced on this page.
Which code book do I need for the E2 exam?
The the adopted electrical code is the primary reference. Confirm the edition your jurisdiction has adopted, because adopted editions vary by state and the exam is written to a specific one.
The kit that goes on the table
2024 IRCThe book itself
2021 IRCIf you register on 2021
2024 Fast-TabsPlace them yourself
Construction Master ProFeet-inch math, no errorsMatch the book and tabs to the edition you register for.Confirm which, first.