Practice Test GeeksICC - Illinois Commerce Commission Certified Contractor Practice Test

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 β€” free, no sign-up.

80 questions
120 min time limit
70.00% to pass
  1. Which of the following best describes a Gantt chart used in construction project management? β†’ A bar chart showing project tasks and their timelines
  2. What does mediation in a contractor dispute involve? β†’ A neutral third party helping both sides reach a voluntary agreement
  3. In Illinois, small claims court can be used to resolve contractor disputes involving amounts up to: β†’ $10,000
  4. Which examination component is typically required for initial ICC contractor certification in Illinois? β†’ Written competency examination
  5. What does CERCLA (Superfund) law mean for Illinois contractors working on contaminated sites? β†’ Contractors can be held liable for cleanup costs if they contribute to contamination
  6. Before excavating near underground utilities in Illinois, contractors are legally required to call: β†’ JULIE (811 β€” Joint Utility Locating Information for Excavators)
  7. What happens to an ICC contractor's certification if they are convicted of a felony related to their contracting work? β†’ It may be revoked by the ICC
  8. What must contractors engaged in public utility construction possess? β†’ Proper licensing from the Illinois Commerce Commission
  9. When performing work near an Illinois water supply well, a contractor must maintain what minimum horizontal setback distance from the wellhead? β†’ 50 feet
  10. What is the maximum length of a flexible cord used as a substitute for permanent wiring under Illinois electrical code? β†’ Flexible cords may never substitute for permanent wiring
  11. What is a key process for managing changes in a project? β†’ Implementing change management processes
  12. Which contract clause protects a contractor when unforeseen site conditions are discovered during excavation? β†’ Differing site conditions clause
  13. Illinois contractors generating hazardous waste on job sites must comply with which federal program? β†’ Resource Conservation and Recovery Act (RCRA) hazardous waste rules
  14. Which of the following is a common Best Management Practice (BMP) for stormwater control on Illinois job sites? β†’ Installing silt fencing around disturbed areas
  15. What is the primary purpose of erosion and sediment controls on Illinois construction sites? β†’ To prevent sediment-laden stormwater from polluting nearby waterways
  16. What is the typical operating pressure range for natural gas transmission pipelines that feed into distribution systems? β†’ 200 psig or higher
  17. What is the purpose of Peoples Gas and North Shore Gas' 2025 annual internal audit? β†’ All of the above.
  18. Arc Fault Circuit Interrupters (AFCIs) are required in Illinois residential bedrooms to protect against: β†’ Electrical fires caused by arcing faults in wiring
  19. What does the acronym RFI stand for in construction project management? β†’ Request for Information
  20. Which document must be submitted as proof of liability insurance when applying for an ICC contractor license? β†’ Certificate of Insurance
  21. In Illinois, contractors must provide homeowners with a written contract for home repair projects costing more than: β†’ $500
  22. What is required from applicants during the licensing application process? β†’ Business identity, relevant experience, and financial stability
  23. When an ICC contractor hires a subcontractor, who retains ultimate responsibility for the work performed? β†’ The ICC-certified prime contractor
  24. A contractor who accepts a large deposit and then abandons a project without completing work may be charged with: β†’ Home repair fraud, a criminal offense under Illinois law
  25. Which of the following would result in automatic suspension of an ICC contractor certification? β†’ Failure to maintain required insurance coverage
  26. When working near energized electrical equipment, Illinois contractors must follow which safety standard? β†’ OSHA 29 CFR 1910.333 (Electrical Safety)
  27. What must contractors provide to all employees before starting construction activities? β†’ Safety training programs
  28. An ICC contractor discovers aluminum wiring in an older Illinois home. The recommended action is to: β†’ Use approved anti-oxidant compound and CO/ALR-rated devices
  29. Under Illinois law, what right does a homeowner have if a contractor solicits work at their door without being invited? β†’ A 3-day right to cancel the contract (Right of Rescission)
  30. What is the primary function of a construction lien in Illinois? β†’ To secure payment by placing a legal claim against the property
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How this page was made: written with AI tools and published by Nathan Beja, founder of Practice Test Geeks, who is responsible for its content. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy

Sources & references

Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy

  1. ilga.gov β€” Test delivery, late registration, renewal, score validity, eligibility, fees Β· verified Oct 2026
  2. icc.illinois.gov β€” Eligibility, fees Β· verified Oct 2026