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10-Year Battery Hardwired (with Battery Back-Up) Ionization Interconnected Smoke detector

First Alert 10-Year Battery Hardwired (with Battery Back-Up) Ionization Interconnected Smoke detector

4.7
620
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33 Questions
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Can you use this detector even if my detector only has two wires?


Hi Denise, this detector can be hardwired with the 2 wires. You will need a third orange wire if you want to interconnect it with other hardwired units in the circuit. - Maria

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