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� <br /> : • ' � <br /> ���q,g NATIONAL FIRE ALARM AND SIGNALING CODE Job# ' <br /> , Permit# i7654/17523 <br /> 4. CIRCUITS AND PATHWAYS <br /> 4.1 Signaling Line Pathways <br /> �� 4.1.1 Pathways Class Designations and Survivability <br /> Pathways class: Survivability Level: Quanity: <br /> (See NFPA 72,Sections 12.3 and 12.4) . <br /> 4.1.2 Pathways Utilizing Two or More Media <br /> ' Quanity: Description: <br /> ii <br /> � 4.1.3 Device Power Pathways <br /> ; � No separate power paths from the signaling line pathway , <br /> , �� Power pathways are separate,but of the same pathway classification as the signaling line pathway <br /> 6 <br /> r I Power pathways are separate and different classification from the signaling line pathway <br /> d <br /> 4.1.4 Isolation Modules <br /> '� Quanity: <br /> V ' <br /> � 4.2 Alarm Initiating Device Pathways <br /> h 4.2.1 Pathways Class Designations and Survivability <br /> I4 Pathways class: Survivability Level: Quanity: <br /> q 4.2.2 Pathways Utilizing Two or More Media <br /> � Quanity: Description: <br /> r <br /> 6 <br /> 4.2.3 Device Power Pathways <br /> � �� No separate power paths from the signaling line pathway <br /> � �� Power pathways are separate,but of the same pathway classification as the signaling line pathway � <br /> � �; Power pathways are separate and different classification from the signaling line pathway <br /> � <br /> � 4.3 Non-Voice Audible System Pathways <br /> I <br /> 4.3.1 Pathways Class Designations and Survivability <br /> � Pathways class: " Survivability Level: Quanity: � <br /> � i � <br /> (See NFPA 72,Sections 12.3 and 12.4) <br /> � <br /> 4.3.2 Pathways Utilizing Two or More Media <br /> Quanity: Description: <br /> � <br /> � <br /> FIGURE 10.18.2.1.1 Continued (2010 Edition) NFPA 72(pg.3 of 12) <br /> R�evised 1/1/2015 � 2010 Edition n <br /> r <br /> �, I <br /> � ; <br />