What is the ideal inclination of a horizontal waste pipe as recommended by the National Plumbing Code?
A. 2% slope
B. 3% slope
C. 4% slope
D. 0% slope or level position
Answer:B
What is the ideal inclination of a horizontal waste pipe as recommended by the National Plumbing Code?
A. 2% slope B. 3% slope C. 4% slope D. 0% slope or level position