Reply To: Wireless Interconnected Smoke Alarms HOME › Forums › Reply To: Wireless Interconnected Smoke Alarms January 15, 2015 at 1:50 pm #1116 Armando CabralParticipant Thanks for responses. The building falls under 9.5 requirements. I did advise that he needs to replace hard-wired with hard-wired. Also advised to replace with smoke/CO combo. Thanks.