posted 12 years ago
my hard wired alarms still will run on battery. You could run them on a cheap $20 inverter for inspection, then run them on batteries if you want.
The important part of the hardwiring is they link the alarms so when one goes off, they all go off. In my house, you wouldn't hear one go off on the opposite end of the house if the doors are closed and the fans are running. Not sure if you would have that problem--how many alarms do you have to install?
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