What does the abbreviation W.C. stand for in plumbing terms?

The abbreviation W.C. stands for Water Closet, which is a common term used in plumbing to refer to a toilet or lavatory. The term "water closet" originates from a time when bathrooms were less common in homes, and the toilet was often a small, enclosed space, hence the name. In modern plumbing, the water closet is typically a fixture designed to receive human waste and discharge it through a sewage system.

Understanding this terminology is essential for plumbing professionals, as it is widely used in building codes, plumbing diagrams, and engineering specifications. The concept of the water closet underlines the importance of sanitation and hygiene in residential and commercial buildings. Utilizing correct terminology helps ensure clear communication among professionals, which is vital for project collaboration and compliance with regulations.