Which of the Following Statements About Power Sources of Smoke

question 12

Multiple Choice

Which of the following statements about power sources of smoke detectors/alarms is MOST accurate?

• A) Smoke detectors/alarms may be powered only by batteries.
• B) Hard-wired alarms are more reliable in areas with frequent power failures.
• C) Smoke detectors/alarms may be powered only by dedicated electrical feeds.
• D) State, provincial, and local laws may require that smoke detectors/alarms be hard-wired.

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