A washing machine is connected to a drain line. What is the minimum slope required for the drain line from the washing machine to the main drain?
- A1/4 inch per foot
- B1/8 inch per foot
- 1/2 inch per foot
- D3/8 inch per foot
Exam tip
Always verify the slope requirements for drain lines to ensure proper drainage and prevent issues.
Why C is correct
According to Section P276.1 of the 2024 International Residential Code, the minimum slope required for the drain line from a washing machine to the main drain is 1/2 inch per foot. This slope is necessary to ensure proper drainage and prevent clogs.