Dear Barry,
Is it currently required that residential smoke detectors be hard-wired and networked together throughout a home? If so, when did these standards take effect? – Larry
Dear Larry,
Smoke alarms in dwellings must be hard-wired to the electrical system. This requirement was introduced in the 1979 Uniform Building Code. In 1991, the code was amended to include battery backup to ensure that alarms would remain operable in the event of a power failure during a fire. more...