posted by y912f .
Which of the following statements is true about a plumbing system?
a. The potable water system carries used water away from the building
b. The potable water system carries water that is safe for drinking
c. All potable water that enters a building feeds the water heater
d. All waste water from a building comes from the bathrooms.
Yes. B. is correct.
Potable water is water that is safe to drink.