Massachusetts Construction Supervisor License (CSL) Practice Test

In terms of residential building codes, what is the purpose of the emergency escape window?

1. To provide natural light in living spaces.

2. To serve as an alternative entry point for visitors.

3. To ensure safe egress during emergencies.

4. To enhance ventilation in bedrooms.

The correct answer is: To ensure safe egress during emergencies.

The purpose of the emergency escape window in residential building codes is to ensure safe egress during emergencies. This requirement is critical for life safety, as it provides a designated exit point in case of emergencies such as fire or other hazardous situations where the primary means of egress may be compromised. The emergency escape window must meet specific size and accessibility standards to make certain that occupants can easily exit the building if needed. This requirement typically applies to habitable spaces, especially in basements and bedrooms, where traditional exits may not be sufficient or accessible. Other aspects, like providing natural light or enhancing ventilation, although beneficial, do not align with the primary purpose of why building codes mandate emergency escape windows. They are integral to ensuring that all residents can safely evacuate in a crisis, underscoring the critical nature of this safety feature in residential construction.