Visible appliances produce flashing lights during a fire alarm activation. They are primarily used for which type of disability?

Visible appliances, such as flashing lights, are designed specifically to aid individuals who have hearing impairments during a fire alarm activation. When a fire alarm goes off, traditional audible alarms may not be sufficient for those who cannot hear them. Therefore, the incorporation of visible signals—like strobe lights—ensures that all individuals, regardless of their hearing ability, are alerted to the emergency situation. This visual cue provides crucial information about the necessity to evacuate or take protective action during a fire incident, thereby enhancing safety for those with hearing challenges.

While some appliances may help individuals with other disabilities, such as mobility, cognitive, or visual impairments, the primary purpose of flashing lights in alarm systems is to ensure that people who cannot hear the alarms are adequately alerted. This ensures a more inclusive safety protocol for everyone in a building or area at risk during a fire.