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#38353 - 05/20/04 07:55 PM smoke detectors and fire alarm conneced with nm cable  
mj  Offline
Member
Joined: Jun 2002
Posts: 186
meriidian, ms
does anyone know of any code violations to use nm cable to connect/interconnect smoke detectors and other related devices . should all wiring be a type (ci) cable with fire resistant ability ?In my area most of the electricians use nm cable to connect smoke detectors.


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#38354 - 05/20/04 08:59 PM Re: smoke detectors and fire alarm conneced with nm cable  
Jim M  Offline
Member
Joined: Aug 2001
Posts: 457
Chestertown, MD, USA
You don't say what type of occupancy this will be in. Three wire w/g NM-B is commonly used in a residential setting unless prohibited by local amendments.


#38355 - 05/20/04 09:12 PM Re: smoke detectors and fire alarm conneced with nm cable  
CTwireman  Offline
Member
Joined: Feb 2002
Posts: 840
Connecticut, USA
As Jim said, what type of system is this? Line voltage smoke detectors or a power limited fire alarm system?

Requirements for both of these systems, especially fire alarms, vary drastically from state to state, so your best bet is to check your local and/or state codes.

Peter


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