What kind of power supply is generally used for a single station smoke alarm?

A battery-operated system is the standard power supply for a single station smoke alarm primarily due to its reliability and ease of installation. Battery-powered smoke alarms do not require complex wiring or access to the electrical grid, making them versatile for various locations, including homes and smaller buildings. This type of power supply also ensures that the smoke alarms remain functional during power outages, which is critical for safety in emergency situations.

While electric supply from the grid can be used for hardwired smoke alarms, it is more common in interconnected systems rather than standalone units. Solar-powered systems and wind turbine-generated power are less prevalent for single station smoke alarms due to the additional complexity involved in installation and maintenance, along with factors such as geographical limitations and dependence on weather conditions. Thus, battery-operated systems are favored for their practicality and ease of use in ensuring safety against smoke and fire hazards.