In relation to smoke alarms and obstructions, what should be avoided to ensure proper function?

To ensure the proper function of smoke alarms, it is crucial to avoid installing them in a location where they are obstructed by intervening doors or barriers. Smoke alarms are designed to detect smoke particles that are present in the air, and any physical barrier can inhibit the movement of smoke towards the alarm, potentially delaying detection of a fire. When an alarm is blocked by a door or similar obstruction, it may not activate in a timely manner during smoke development, thereby compromising the safety of individuals in the vicinity.

Choosing appropriate locations for installation—free from obstructions—is an essential practice for effective fire detection systems. Other factors like humidity, power source, and proximity to windows also play important roles in smoke alarm function, but the immediate concern with barriers is the direct impact on the smoke detection capability. Therefore, ensuring that smoke alarms are placed in unobstructed areas allows for swift detection of smoke, which is key to fire safety.