What symbol represents a circuit breaker in electrical blueprints?

The symbol that represents a circuit breaker in electrical blueprints is a rectangle with a line inside it. This symbol is universally recognized among electrical schematics, as it effectively conveys the function of a circuit breaker, which is to protect electrical circuits from overloads and short circuits. The rectangle itself typically denotes a device or component, while the line inside it can signify the operation of breaking the circuit when necessary.

Understanding symbols in electrical blueprints is essential for anyone working in the field, as these representations allow for quick identification and comprehension of complex systems without needing extensive textual explanations. The selected symbol provides clarity and consistency across various diagrams, which is fundamental in ensuring safety and effectively communicating design intentions.