SC Plumber Contractor Practice Questions - South Carolina Plumber Contractor Examination Exam

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A 4-inch building drain makes a 90-degree horizontal change of direction. Under 2021 IPC 708.1.4, when is a cleanout required at that fitting?

Only if the pipe is 8 inches or larger A cleanout is required because the horizontal change of direction is greater than 45 degrees Never; cleanouts are required only at the base of stacks Only if two 45-degree fittings are used instead of one 90-degree fitting

Correct Answer:

A cleanout is required because the horizontal change of direction is greater than 45 degrees

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