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ICC Residential Electrician (R18)
Try 10 questions weighted like the real ICC R18 exam — dwelling branch circuits, services, feeders and load calculations, wiring methods and pools — on the 2023 NEC. You get a score for each area and a worked explanation for every calculation.
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The ICC Residential Electrician exam (R18) is 60 questions in 3 hours, open book, and you need 70% to pass. It covers dwelling wiring only, with branch circuits and services making up nearly half the exam.
Related reading
ICC Residential Electrician Exam Day (R18): Pearson VUE, Your Two Books, and Pacing 3 Hours
What to expect on the ICC Standard Residential Electrician exam (R18) at a Pearson VUE center: the 2023 NEC and Ugly's, four-option questions, pacing 60 questions in 3 hours, the 70% pass mark and the 10-day retest wait.
What's on the ICC Residential Electrician Exam (R18)? All 7 Areas and How to Study Them
The ICC outline for the Standard Residential Electrician exam (R18): 60 questions across 7 areas, led by branch circuits and conductors (25%) and services (22%), on the 2023 NEC — the renumbered dwelling load-calculation rules, and a study plan built on the weights.
ICC Residential Electrician Exam (R18): Requirements, Cost, and Who Accepts It
What the ICC Standard Residential Electrician exam (R18) takes: no ICC experience rule, the $120 fee, the four NEC-edition series, which jurisdictions accept it, and why your city or county sets the license rules.