Which Tennessee building code edition is currently adopted by the state for residential construction?
Correct Answer
D) 2021 International Residential Code
Tennessee has adopted the 2021 International Residential Code for residential construction with state-specific amendments.
Why This Is the Correct Answer
Option D (2021 International Residential Code) is correct. Tennessee has adopted the 2021 IRC with state-specific amendments for residential construction. Knowing the currently adopted code edition is a fundamental licensing requirement for Tennessee contractor candidates.
Why the Other Options Are Wrong
Option A: 2018 International Residential Code
The 2018 IRC was a previous adoption cycle. Tennessee has moved to the 2021 edition. Using the 2018 code on a current project would put the contractor out of compliance.
Option B: 2018 International Building Code
The 2018 International Building Code applies to commercial construction, not residential. The IRC and IBC are separate codes serving different occupancy types.
Option C: 2021 International Building Code
The 2021 International Building Code applies to commercial/mixed-use construction. Residential construction in Tennessee falls under the IRC, not the IBC.
Memory Technique
Tennessee 2021 IRC: 'Twenty-twenty-one for residential, one family at a time.' Residential = IRC, Commercial = IBC.
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A residential contractor fails to complete continuing education by the renewal deadline. How long do they have to complete the CE requirements before their license becomes invalid?
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