Generally speaking, no. Let's start with detectors. Smoke detectors can be stand alone, or part of a system. But all smoke detectors require power to function. A smoke detector may or may not have a built in alarm (sounder), again, requires power. Stand alone or 110 volt detectors have a battery backup. read more
This interpretation doesn't sound feasible. The fact is that just installing a fire alarm does not guarantee safety from fire breaking out in the house. read more