
First Alert BRK Hardwired (with Battery Back-Up) Ionization Interconnected Smoke detector 6 -Pack
4.6
165 Questions
Read All Questions & AnswersWhat wire do you recommend using to connect to other detectors?
2
14/3 the red wire is used to make the others go off
Was this Answer Helpful ?You should use nothing less than 14/2 wire but I recommend using 12/2 wire
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