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Mixing Fire Alarm Systems from 2 buildings?

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nietzj

Senior Member
Location
St. Paul, Minnesota
Occupation
Electrician
I have a situation with a tunnel connecting 2 separate buldings and would like to share the same raceway with 2 totally different fire alarm systems. I know this is not ideal but it would be nearly impossible to add a new conduit and open wiring is not an option. Is this a code violation?
 
don_resqcapt19

don_resqcapt19

Moderator
Staff member
Location
Illinois
Occupation
retired electrician
Permitted as long as both fire alarms systems are of the same type, that is either power limited, or non-power limited. 760.135.
 
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