(A) In existing dwelling units, power supply to the smoke detector may be provided by a self-monitored battery, or the smoke detector may be wired directly to the dwelling’s power supply (hardwired) in accordance with NFPA Standard 70.
(B) As an alternative to self-contained smoke detectors, an approved fire alarm system may be installed.
(Prior Code, § 1610.03) (Ord. 72-1991, passed 4-22-1991)