ICC Cheat Sheet 2026

The 30 highest-yield ICC facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. Quick Sort selects a 'pivot' element and then: → Partitions elements into those less than and greater than the pivot
2. Which of the following is an ICC certification program? → Certified Building Official (CBO)
3. What is the primary function of occupancy separation walls required by the IBC between different occupancy groups? → To limit fire spread between areas of differing hazard levels
4. According to the IBC, who is responsible for requesting required inspections? → The owner or the owner's authorized agent
5. Under ICC codes, which hardware standard ensures that exit device (panic bar) installations meet security and egress requirements simultaneously? → UL 305
6. Under the IBC, which document primarily governs the design loads (dead, live, wind, snow, seismic) for building structural systems? → ASCE 7
7. What is the best-case time complexity of Bubble Sort? → O(n)
8. Which ICC-referenced standard governs the forced-entry resistance ratings of doors and frames? → ASTM F476
9. Per the IECC commercial provisions, what is the maximum allowable air leakage for buildings required to undergo testing? → 0.40 cfm/ft² of envelope area at 75 Pa
10. Which cable category is rated for 10 Gigabit Ethernet up to 100 meters? → Cat 6A
11. Which entity is responsible for enforcing ICC codes at the local level? → Local building departments
12. In Scrum, how is the length of a sprint typically defined? → It is a fixed time-box, commonly one to four weeks
13. What is the DRY principle in programming? → Dont Repeat Yourself — avoid code duplication
14. Which IBC provision addresses the qualification requirements for special inspectors? → IBC Section 1703 — Approved Agencies
15. Which ICC-referenced document provides guidance specifically on the security design of schools and educational facilities? → I Codes plus references to DHS/FEMA K-12 School Security Guide
16. Which port number is used by HTTPS for secure web traffic? → 443
17. What is the purpose of version control in software development? → To track changes, enable collaboration, and maintain code history
18. What is the V-Model in SDLC? → A development approach where each build phase has a corresponding testing phase
19. ICC certification exams for inspectors are administered by which branch of ICC? → ICC's Certification and Testing Department
20. Which ICC code governs the installation of plumbing systems, including water supply and drainage? → International Plumbing Code (IPC)
21. The ICC Property Maintenance Inspector (PM) credential primarily focuses on: → Existing building conditions, habitability, and safety standards
22. Which ICC group is tasked with identifying emerging technology and recommending new code provisions before a formal code change proposal is submitted? → Ad Hoc Committee
23. Under the IBC, what is the maximum travel distance to an exit in a non-sprinklered Group B (Business) occupancy? → 200 feet
24. What is a 'minimum viable product' (MVP) in Agile development? → A product with just enough features to satisfy early customers and gather feedback
25. An ICC Zoning Inspector credential would be most useful for a professional working in: → Enforcing land use, setback, and zoning ordinance requirements
26. Under the IFC, what test must be performed after installation of a new underground fuel storage tank (UST)? → Tightness test or integrity test before placing the tank into service
27. Which inspection verifies that all required inspections have been completed and that the structure is suitable for occupancy? → Final inspection
28. Which SDLC model delivers software in incremental releases, each adding more functionality? → Incremental model
29. When a code applicant disagrees with a building official's interpretation, the proper ICC-aligned procedure is to: → Appeal to the Board of Appeals established by the jurisdiction under the IBC
30. A jurisdiction adopts the 2021 IBC but locally amends Section 403. How should a plans examiner handle this in practice? → Apply the locally amended version since local law governs enforcement