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I mean, it is code now to have them hardwired up. Actually, I think the requirement might be for interconnectivity rather than mains power. It's probably both i
by brewdad 4y ago
I mean, it is code now to have them hardwired up. Actually, I think the requirement might be for interconnectivity rather than mains power. It's probably both in some areas. It's quite possible, depending on the extent of your expansion, that he was required to retrofit all of the smoke detectors in the home.
- bombcar 4y agoInterconnectivity is separate from mains (though both may be required) - the modern ones have to be set that if ONE goes off, ALL go off. For those playing at home, get the ones that are BOTH ionization AND photoelectric: https://www.nfpa.org/Public-Education/Staying-safe/Safety-equipment/Smoke-alarms/Ionization-vs-photoelectric https://www.nfpa.org/Public-Education/Staying-safe/Safety-eq...