“Are these for use and replacement of a normal 120 V interconnected smoke detector system per the national electric code 2017 The smoke detectors we have to use now are ionization detectors in the bedrooms photo electric and ionization carbon smoke combo”
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They replace the hard wired requirement if you're using the 2018 NEC code. 2018 has an option for battery powered.
Sorry, there was a problem. Please try again later.Wired Nest Protect is powered by 120V-240V. It uses an advanced smoke sensor that we called Split-Spectrum Sensor, to detect a wide range of smoke events, including slow, smoldering fires and fast flaming fires. Nest Protect has been tested and was certified to use in many parts of US, Canada, UK and Australia. However, we still recommend contacting your local fire department to ensure the requirements for smoke and carbon monoxide detectors in your area. If you need more information about Nest Protect, you can visit this page: https://support.google.com/googlenest/answer/9249963
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