SC Air Conditioning Practice Questions - South Carolina Air Conditioning Contractor Examination Exam

A 2021 IMC refrigerant pipe that penetrates two or more floor/ceiling assemblies generally must be:

Installed in a fire-resistance-rated shaft, unless an IMC 1109 exception applies Wrapped with ordinary duct wrap in lieu of a shaft Left uninsulated so leaks are easy to see Run in PVC conduit with solvent-welded joints

Correct Answer:

Installed in a fire-resistance-rated shaft, unless an IMC 1109 exception applies

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