Wired Circuit 1 : A metallic circuit leased to or owned by a jurisdiction, which is dedicated to a specific alarm or communication system under the control of that jurisdiction
NFPA 1221 Standard for the Installation, Maintenance, and Use of Emergency Services Communications Systems, 2007 ed. (Std: Install, Maint, and Use of Emr Srvc Commun - Amer) {391 NFC}