FIRE PROTECTIVE SIGNALING SYSTEMS

70-767 MPP CMP CL3P FPLP CL2P Plenum MPR CMR CL3R FPLR CL2R Riser MPG CMG PLTC MP CM CL3 FPL General CL2 Purpose A B CL3X Cable A CMX Shall be Permitted Dwellings to be Used in CL2X Place of Cable B Type CM - Communications Wires and Cables A B Cable A Types CL2 and CL3 - Class 2 and Class 3 Remote-Control, Shall be Permitted Signaling, and Power-Limited Cables to be Used in Type FPL - Power-Limited Fire Protective Signaling Cables Place of Cable B with Restrictions. Type MP - Multipurpose Cables See Sec. 760-51 Type PLTC - Power-Limited Tray Cable (a), (b), and (g) Figure 725-53. Cable Substitution Hierarchy ARTICLE 760 - FIRE PROTECTIVE SIGNALING SYSTEMS A. General 760-1. Scope. This article covers the installation of wiring and equipment of fire protective signaling systems operating at 600 volts, nominal, or less. (FPN No. 1): Fire protective signaling systems include fire alarm, guard tour, sprinkler waterflow, and sprinkler supervisory systems. For further information on the installation and supervision requirements for fire protective signaling systems, refer to the following: NFPA 71-1989 - Installation, Maintenance, and Use of Signaling Systems for Central Station Service. NFPA 72-1990 - Installation, Maintenance, and Use of Protective Signaling Systems. NFPA 72E-1990 - Automatic Fire Detectors. NFPA 74-1989 - Installation, Maintenance, and Use of Household Fire Warning Equipment. (FPN No. 2): Class 1, 2, and 3 circuits are defined in Article 725. 70-768 NATIONAL ELECTRICAL CODE 760-2. Locations and Other Articles. Circuits and equipment shall comply with (a), (b), (c), (d), and (e) below. (a) Spread of Fire or Products of Combustion. Section 300-21. (b) Ducts, Plenums, and Other Air-Handling Spaces. Section 300-22, where installed in ducts or plenums or other spaces used for environmental air. Exception to (b): As permitted in Sections 760-17(e)(1) and (2) and Section 760-53(a). (c) Hazardous (Classified) Locations. Articles 500 through 516 and