Massachusetts Construction Supervisor License (CSL) Practice Test

How should smoke detectors be distributed in a two-family dwelling according to requirements?

1. Only in common areas

2. In all bedrooms and hallways

3. In all rooms

4. Only outside of bedrooms

The correct answer is: In all bedrooms and hallways

The distribution of smoke detectors in a two-family dwelling is critical for ensuring occupant safety and compliance with building codes. According to regulatory requirements, smoke detectors must be installed in all bedrooms and in hallways that connect the bedrooms to common areas. This placement is vital because it ensures that occupants are alerted to smoke or fire while they are asleep, minimizing the risk of injury or loss of life. Installing smoke detectors in these specific locations allows for immediate detection of smoke entering sleeping areas or the pathways leading to them, providing adequate time for residents to evacuate the premises safely. While it might seem sufficient to place detectors in common areas or only outside of bedrooms, these placements could potentially delay alerts to sleeping individuals. Therefore, to fully comply with safety regulations and enhance the protection of residents, the requirement for smoke detectors in all bedrooms and hallways is essential. This comprehensive approach contributes significantly to overall fire safety in residential buildings.