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Porkles Porkles
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6 years ago
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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6 years ago
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