Amendments to Chapters 37, 39, and 44 and Appendix F of IRC.

Checkout our iOS App for a better way to browser and research.



  • (1) In IRC, Section E3601.6.2, a new exception is added as follows: "Exception: An occupant of an accessory dwelling unit is not required to have access to the disconnect serving the dwelling unit in which they reside."
  • (2) In IRC, Section E3705.4.5, the following words are added after the word "assemblies": "with ungrounded conductors 10 AWG and smaller".
  • (3) In IRC, Section E3901.4.5, the last sentence in the exception is deleted and replaced with the following: "Receptacles mounted below the countertop in accordance with this exception shall not be located more than 14 inches from the bottom leading edge of the countertop."
  • (4) In IRC, Section E3901.9, the following exception is added:
    "Exception: Receptacles or other outlets adjacent to the exterior walls of the garage, outlets adjacent to an exterior wall of the garage, or outlets in a storage room with entry from the garage may be connected to the garage branch circuit."
  • (5) IRC, Section E3902.16 is deleted.
  • (6) In Section E3902.17:
    • (a) following the word "Exception" the number "1." is added; and
    • (b) at the end of the section, the following sentences are added:
      "2. This section does not apply for a simple move or an extension of a branch circuit or an outlet which does not significantly increase the existing electrical load. This exception does not include changes involving remodeling or additions to a residence."
  • (7) IRC, Chapter 44, is amended by adding the following reference standard:
    • "Standard reference numberTitleReferenced in code section number
    • USC-FCCCHR 10th Edition Manual of Cross Connection ControlFoundation for Cross-Connection Control and Hydraulic Research University of Southern California Kaprielian Hall 300 Los Angeles CA 90089-2531Table P2902.3"
  • (8) In IRC, Chapter 44, is amended by adding the following reference standard: "UL 9540-20: Energy Storage Systems and Equipment; R327.1, R327.2 and R327.6."
  • (9)
    • (a) When passive radon controls or portions thereof are voluntarily installed, the voluntary installation shall comply with Appendix F of the IRC.
    • (b) An additional inspection of a voluntary installation described in Subsection (9)(a) is not required.





Download our app to see the most-to-date content.