IMC 2021 · Model

Chapter 3: General Regulations

48 sections in this chapter of the IMC 2021 model text — not Model's amended edition.

301.1 Scope This chapter shall govern the approval and installation of all equipment and appliances that comprise parts of the building mechanical systems regulated by this code in accordance with Section 101.2.

  1. 301.1Scope
  2. 301.10Electrical
  3. 301.14Repair
  4. 301.2Energy utilization
  5. 301.3Identification
  6. 301.4Plastic pipe, fittings and components
  7. 301.5Third-party testing and certification
  8. 301.6Fuel gas appliances and equipment
  9. 301.7Listed and labeled
  10. 301.8Labeling
  11. 302.1Structural safety
  12. 302.2Penetrations of floor/ceiling assemblies and fire-resistance-rated assemblies
  13. 302.3Cutting, notching and boring in wood framing
  14. 303.1General
  15. 303.2Hazardous locations
  16. 303.3Prohibited locations
  17. 303.4Protection from damage
  18. 304.1General
  19. 304.10Clearances from grade
  20. 304.11Guards
  21. 304.2Conflicts
  22. 304.3Elevation of ignition source
  23. 304.3.1Parking garages
  24. 304.4Prohibited equipment and appliance location
  25. 304.5Hydrogen-generating and refueling operations
  26. 304.6Public garages
  27. 304.7Private garages
  28. 305.1General
  29. 305.2Materials
  30. 305.3Structural attachment
  31. 306.1Access
  32. 306.2Appliances in rooms
  33. 306.3Appliances in attics
  34. 306.3.1Electrical requirements
  35. 306.4Appliances under floors
  36. 306.4.1Electrical requirements
  37. 306.5Equipment and appliances on roofs or elevated structures
  38. 307.1Fuel-burning appliances
  39. 307.1.1Identification
  40. 307.2Evaporators and cooling coils
  41. 307.2.1Condensate disposal
  42. 307.2.3Auxiliary and secondary drain systems
  43. 307.3Condensate pumps
  44. 308.1Scope
  45. 309.1Space-heating systems
  46. 310.1Required
  47. 311.1Required
  48. 312.1Load calculations

The full text is for BuildSpec members

Read the complete section, search across every adopted code, run the calculators and ask Copilot — free for 14 days, no card required.

  • Full text of every section in this chapter
  • Plain-English summaries and cross-references
  • Compare this chapter across jurisdictions
  • Ask Code AI about any section, with citations
Start your free 14-day trialSign in →

Our previews are real data — live counts, no placeholders. We publish our error log →

IMC 2021 Chapter 3: General Regulations — Model Code | BuildSpec