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Can I replace a broken hardwired smoke detector by myself, or does it need to be done by a certified repairman/electrician to rid myself of liability if something goes wrong? I live in Nevada.
Bonus: can I replace an old hardwired smoke detector with a battery only one?
All electrical wiring must be by a licensed electrician. If it plugs in, anyone can do it, if you need a screwdriver it has to be an electrician.
All domestic smoke detectors must be hard wired with battery backup and, if there’s more than one in a home they must be interconnected so if one goes off they all go off.
