Which blueprint symbol represents a light switch?

• A. Shower
• B. 110 outlet
• C. Light switch
• D. Refrigerator

Answer: (C)

The symbol for a light switch on a blueprint is specifically designed to indicate its function within the electrical system of the space being planned. Light switches typically have a standardized symbol that features a small circle or a line representing the switch itself, often accompanied by other identifiers such as draft lines or letters that clarify their intended action or type. This consistency allows anyone interpreting the blueprint to easily understand where light controls are located, ensuring proper installation during the construction or renovation process.

In contrast, the other symbols in the choices represent different components: a shower is represented by a specific shape indicating its plumbing needs, a 110 outlet has its unique symbol typically resembling an electrical socket, and a refrigerator has its own distinct icon that suggests its dimensions and energy needs. Each of these symbols serves a different purpose, and recognizing them correctly is essential for anyone working with architectural or interior design plans.