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nfpa interconnection of multiple station alarms

Question asked by sringel on Mar 7, 2018
Latest reply on Mar 8, 2018 by sringel

As per (2) & (3) can anyone tell me why you cannot have more than 18 unsupervised interconnected initiating devices or 64 supervised?  I had a student ask this question, my best assumption was if there were more than that then you should be installing a system.  thank you!