SC Refrigeration Practice Questions - South Carolina Refrigeration Contractor Examination Exam

Under IMC 1109.2.5, refrigerant piping that penetrates two or more floor/ceiling assemblies shall be:

Left unenclosed if the pipe is copper Enclosed in a fire-resistance-rated shaft enclosure complying with the International Building Code Run only through the elevator hoistway Sleeved with foam pipe insulation and no firestopping

Correct Answer:

Enclosed in a fire-resistance-rated shaft enclosure complying with the International Building Code

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