What is a common application of low voltage systems?

A common application of low voltage systems is in fire alarm systems. These systems are designed to detect fire and smoke, alert occupants, and notify emergency services. They typically operate at low voltage levels, usually 24V, to ensure safety and reduce the risk of electrical hazards. Fire alarm systems consist of various components, including smoke detectors, heat detectors, pull stations, and notification devices like horns and strobes, all of which function efficiently on low voltage.

While HVAC control systems also utilize low voltage, they primarily manage heating, ventilation, and air conditioning systems, which can be more complex and may involve higher voltages than typical low voltage applications. High voltage transmission and power generation are not appropriate answers as they involve significantly higher voltage systems used for distributing power over long distances and generating electricity, respectively. Therefore, fire alarm systems represent a quintessential example of low voltage applications in ensuring safety and emergency response in buildings and public spaces.