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

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Under IMC 307, the condensate drain from a cooling coil must be not smaller than 3/4-inch internal diameter and must have a minimum horizontal slope of:

1/8 inch per foot (1-percent slope) 1/2 inch per foot No slope if the pipe is PVC 1/16 inch per foot

Correct Answer:

1/8 inch per foot (1-percent slope)

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