I'm looking to add another smoke detector to my hard-wired circuit, but none of my breakers are labeled for smoke detectors. I also noticed that on my existing detectors, the wiring is done outside of a box. I've only been in this house for a few years, and everything else I've seen is right up to code.Is there a way to determine the circuit without trial-and-error? And, is the amperage for a smoke detector circuit lower than 15A? Is this why the existing connections aren't in a box?
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There are several types of smoke detectors, but the basic principal is the same for all of them. The most common detectors work by emitting either a light beam and a detector, or emitting radioactive particles that then ionize the air to create an electric charge. If anything gets in between the light beam or the radiation, like dust, or a bug, the alarm will sound. Just pop it off and dust it out.
