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ICC Commercial Fire Alarm Plans Examiner I (CN)
Practice the plan-review work CN actually tests — documentation, control panel and wiring, and the battery, voltage-drop and conduit-fill calculations that make up a fifth of the exam.
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The ICC CN certification qualifies you to review commercial fire alarm construction documents for code compliance. Open book, 60 questions, 2 hours, against NFPA 72 (2019) and the 2020 NEC.
Related reading
ICC CN Exam Day: Bring a Calculator and Know What It May Be
Twelve of sixty questions are arithmetic. The calculator rules, open-book requirements, and how to tab for a documentation-heavy paper.
ICC CN Fire Alarm Plans Examiner: Requirements, Cost, and How to Apply
No experience requirement, and it is the gateway to CR. What the ICC CN authorises, the books you need, what it costs, and the three-year renewal cycle.
What's on the ICC CN Fire Alarm Plans Examiner Exam? 7 Areas
A fifth of this exam is arithmetic: battery sizing, voltage drop and conduit fill. The full published domain weighting.