Which of the following is an example of a fire code?

Installation of automatic sprinklers is indeed an example of a fire code because it directly relates to fire safety standards and regulations. Fire codes are established guidelines that dictate how buildings must be constructed and equipped to minimize fire hazards and enhance safety for occupants. The requirement for automatic sprinkler systems is a critical element of many fire codes, as these systems are designed to automatically extinguish or control fires, significantly reducing the risk of injury and property damage.

Other choices, while they may pertain to building regulations or aspects of construction, do not specifically focus on fire safety. Window dimensions and foundation depth are more aligned with structural integrity and design considerations rather than fire prevention measures. Aesthetic building design, on the other hand, is primarily concerned with the visual appearance of a building and does not address safety or fire-related concerns. Thus, the requirement for the installation of automatic sprinklers fits squarely within the framework of fire codes aimed at ensuring safer environments.