What color is typically used to indicate electric power sources in prints?

In print reading within the context of electrical and mechanical design, the color that is typically used to indicate electric power sources is yellow. This color designation helps to ensure clarity and safety, as yellow is often associated with caution and alertness. By using yellow for electric power sources, it provides a quick visual reference for technicians and engineers, allowing them to easily identify areas of potential electrical hazards or functionalities that require attention. Therefore, when reviewing prints, recognizing yellow as the indicate color for power sources is essential for safety and operational efficiency.