Currently Adopted Codes


  • Underground gas piping is not to be used as a grounding electrode. All underground gas piping will require a dielectric coupler to be installed in the system as it exits the earth and prior to entering the structure.


ICC A117.1 (Latest Edition)

2018 International Residential Code

2018 International Building Code

2018 International Mechanical

2018 International Fuel & Gas Code

2009 International Energy Conservation Code

2018 Fire Code

2018 Plumbing Code

2017 National Electric Code

2018 SC Modifications (see LLR for listing of modifications) [PDF]