A pipe that conveys only waste, free from fecal matter, is known as what?

The term for a pipe that conveys only waste free from fecal matter is known as a waste pipe. This type of pipe is designed specifically to handle the discharge of gray water, which might come from sinks, showers, or laundry, rather than from toilets that would involve a combination of both waste and fecal matter.

In plumbing systems, the differentiation between waste pipes and soil pipes is critical for proper design and function. Waste pipes play a vital role by ensuring that non-hazardous waste is transported efficiently away from buildings, reducing the risk of blockages and ensuring sanitation.

Understanding the distinction between the different types of piping is important for plumbing best practices and is crucial for anyone preparing for exams related to plumbing codes and practices.