Massachusetts Construction Supervisor License (CSL) Practice Test

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Do smoke detectors in single family dwellings require battery back-up?

  1. Yes

  2. No

  3. Only in bedrooms

  4. Only in bathrooms

The correct answer is: Yes

In Massachusetts, the building code mandates that smoke detectors installed in single-family dwellings must have a battery backup. This requirement is crucial because power outages can occur at any time, and having battery backup ensures that the smoke detectors will still operate and provide protection in the event of a fire, even when the electrical power is unavailable. This safety standard is intended to enhance the protection of residents in their homes, as smoke detectors play a vital role in alerting occupants to smoke or fire. By ensuring that smoke detectors can function independently of the electrical system, the likelihood of early detection and response to emergencies is greatly increased. Therefore, the correct response highlights the importance of reliable smoke detection in residential settings, reinforcing the need for battery backup systems in smoke detectors.

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