CMI Cheat Sheet 2026

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

1. What feature is reviewed in garage systems? → Garage door mechanisms
2. What type of marketing content is most effective for establishing a CMI as a local authority? → Educational blog posts or videos explaining common home defects and maintenance tips
3. What is the standard procedure for inspecting a basement? → Inspect for structural integrity and moisture
4. Why must Certified Master Inspectors follow ethical guidelines? → To maintain trust and standards
5. A CMI inspecting a slab foundation observes diagonal cracking at window and door corners. This pattern most likely indicates which condition? → Differential settlement causing stress concentration at structural openings
6. How should hazardous conditions be handled during safety procedures work? → Stop work, secure the area, report the hazard, and follow safety protocols
7. What inspection procedure is essential for safety procedures? → Systematic inspection following established checklists and standards
8. Why is client confidentiality important? → To comply with codes
9. What is the most effective way a CMI can demonstrate value over a non-certified competitor? → Highlighting advanced credentials, experience, and detailed reporting standards
10. What is the appropriate use of an ancillary service (e.g., radon testing, sewer scoping) from a business perspective? → Increase revenue while providing additional value to the client
11. What code compliance requirement applies to safety procedures? → All work must comply with applicable local, state, and national codes
12. How can inspectors build trust with clients? → Maintaining transparency and honesty
13. Under current NEC standards, bedrooms must be protected by which device to guard against arc-fault-initiated fires? → AFCI circuit breakers or combination AFCI devices
14. What environmental protection measure applies to code compliance? → Proper handling, storage, and disposal of materials according to environmental regulations
15. What code compliance requirement applies to maintenance protocols? → All work must comply with applicable local, state, and national codes
16. How should equipment be maintained for safety procedures operations? → Follow manufacturer-recommended preventive maintenance schedules
17. How should hazardous conditions be handled during technical measurements work? → Stop work, secure the area, report the hazard, and follow safety protocols
18. What material is typically inspected for insulation efficiency? → Attic insulation
19. What inspection procedure is essential for quality inspection? → Systematic inspection following established checklists and standards
20. How should hazardous conditions be handled during quality inspection work? → Stop work, secure the area, report the hazard, and follow safety protocols
21. What inspection procedure is essential for equipment operation? → Systematic inspection following established checklists and standards
22. How can CMIs maintain ethical standards? → Committing to ongoing learning and honesty
23. What does the term 'negative drainage' mean in a home inspection context? → Grading that slopes toward the foundation, directing surface water against the structure
24. A CMI conducting a blower door test would use the results primarily to assess which building characteristic? → Building air leakage and envelope tightness
25. How should hazardous conditions be handled during material selection work? → Stop work, secure the area, report the hazard, and follow safety protocols
26. How should hazardous conditions be handled during maintenance protocols work? → Stop work, secure the area, report the hazard, and follow safety protocols
27. What environmental protection measure applies to equipment operation? → Proper handling, storage, and disposal of materials according to environmental regulations
28. A CMI identifies reversed polarity at multiple outlets throughout a home. Which component is the most likely cause? → Hot and neutral wires were swapped at the outlet, a junction box, or at the panel
29. How should equipment be maintained for maintenance protocols operations? → Follow manufacturer-recommended preventive maintenance schedules
30. Which business practice best protects a CMI during scope disputes with a client after an inspection? → A signed pre-inspection agreement defining scope and limitations