Which of the following is NOT an example of fire protection equipment?

The correct choice identifies air conditioning units as not fitting the classification of fire protection equipment. Fire protection equipment is designed specifically to detect, suppress, or manage fire hazards effectively. Examples of this equipment include sprinkler systems, which work to extinguish or control fires by discharging water, fire alarm systems that alert occupants and respond to fire incidents, and standpipe systems that provide a means for firefighters to access water within a building.

In contrast, air conditioning units serve the purpose of regulating temperature and providing comfort in living and working spaces but do not have any function related to fire detection, control, or safety. Therefore, they do not contribute to fire protection efforts and are classified under HVAC (Heating, Ventilation, and Air Conditioning) systems instead. Understanding the specific functions of different systems can clarify why certain types of equipment are categorized as fire protection tools while others are not.