Emergency lighting systems are essential safety features designed to provide illumination during power outages or emergencies. These systems automatically activate when the main power supply fails, ensuring that exit routes, stairwells, and critical areas remain visible. They typically use battery-powered lights that can last for several hours, allowing people to evacuate safely. These systems are commonly found in public buildings, such as hospitals, schools, and office complexes. Regular maintenance and testing are crucial to ensure their reliability. Compliance with safety regulations, such as those set by the National Fire Protection Association (NFPA), helps ensure that emergency lighting systems function effectively when needed.