4C/18 AWG SOLID FPLR PVC- RED - 1000 FT
18/4FPLR 4C/18 AWG SOLID FPLR PVC - RED - 1000 FT
Power limited fire alarm and communications cable for Riser and Non-Riser applications. Fire Alarm, Fire Protective Circuits, Smoke Detectors, Monitor/Detection, Signal, Control Circuits, Initiating Circuits, and Notification Circuits.
Features:
Multi-Conductor Unshielded FPLR- Insulated solid bare copper conductors, twisted with a sunlight resistant PVC jacket. Ripcord and sequential foot markings printed on jacket.
ETL FPLR or CL2R, NEC Article 760, California State Fire Marshall.
Construction Details:
Total Number Conductors: 4
Awg: 18
Stranding: Solid Strand
Conductor Material: Bare Copper
Insulation Material: PVC
Insulation/Dielectric Thickness: .008”
Nominal Insulation Diameter: .056”
Nylon: N/A
Nylon Thickness: N/A
Nominal Operation Diameter: N/A
Cabling pairs: N/A
Drain wire: N/A
Cabling Overall Lay: 2 1/4” left hand lay
Fillers: N/A
Tape Material: N/A
Drain Wire Material: 7 Strand 22 AWG Tinned Copper
Nominal Cabling Diameter: .112”
Copper tape: N/A
Final Jacket Material: PVC
Nominal Thickness: .015”
Jacket Color: Red
Nominal Jacket Diameter: .142”
Ripcord: Yes
Steel Messenger: N/A
NEC Article 760:
NEC Article 760 covers the installation of wiring and equipment of fire alarm systems, including all circuits controlled and powered by the fire alarm system.These systems are defined in the NEC as "The portion of the wiring system between the load side of the overcurrent devices or the power-limited supply and the connected equipment of all circuits powered and controlled by the fire alarm system."
POWER-LIMITED FIRE ALARM SYSTEM CABLES:
1.Type FPL- FPL power-limited fire alarm cable is listed by the NEC as being suitable for general purpose fire alarm use. This listing excludes installation in riser, ducts, plenums and other spaceused for environmental air unless the cable is installed in conduit. All FPL cables are listed as being resistant to the spread of fire and must pass both UL test 1424 and the vertical flame test UL 1581.
2.Type FPLR- FPLR power-limited fire alarm riser cable is listed as being suitable for use in a vertical run in a shaft or from floor to floor. All FPLR cables are listed as having fire-resistant characteristics capable of preventing fire from traveling from floor to floor. Riser cables must pass both UL test 1424 and the Vertical riser test UL 1666.
3.Type FPLP- FPLP power-limited fire alarm cable is listed by the NEC as being suitable for usein ducts, plenums and other space used for environmental air. All FPLP cable are listed as having adequate fire resistant and low-smoke producing characteristics and must pass both UL test 1424 and UL Stiener tunnel test 910. (NFPA262)
o No Voltage Rating Markings on PLFA Cables
o CL3 and CM rated cables, which have a voltage rating of 300V are permitted to be used as PLFA cables.
o Power-limited is inherently limited by the power supply
o Transformer
o Other Power Supply Devices
NON POWER-LIMITED FIRE ALARM SYSTEM CABLES:
1.Type NPLF- NPLF Non power-limited fire alarm cable is listed by the NEC as being suitable for general purpose fire alarm use. This listing excludes installation in riser, ducts, plenums and other space used for environmental air unless the cable is installed in conduit. All NFPL cables are listed as being resistant to the spread of fire and must pass both UL test 1424 and the vertical flame test UL 1581.
2.Type NPLFP- NPLFP Non power-limited fire alarm cable is listed by the NEC as being suitable for use in ducts, plenums and other space used for environmental air. All NPLFP cable are listed as having adequate fire resistant and low-smoke producing characteristics and must pass both UL test 1424 and UL Stiener tunnel test 910.(NFPA262)
o Power source of NPLFA circuits output voltage shall not exceed 600 volts Nominal
o Marking on NPLF cables are not addressed as 150V. For use in 150V or less on NPLF circuits (out of tray or conduit)
o Class 1 cables can be installed and used as NPLFA, but must be placed in a tray or conduit.
o Overcurrent devices shall be located at the point where the device to be protected receives its supply.
CONVENTIONAL ( STANDARD) FIRE ALARM SYSTEM
Conventional Fire Alarm Systems, in their various forms, have been around for many of years and have changed little in that time in terms of technology although design and reliability have impoved significantly. However, Conventional systems are a well proven technology protecting many hundreds of thousands of properties worldwide. A Conventional Fire Alarm System is often the natural choice for smaller systems or where budget constraints exist. In a Conventional Fire Alarm System the "Intelligence" of the system resides solely within the Fire Alarm Control Panel. The panel receives a trigger signal from a Conventional Detector or Initiating Device Circuit (Smoke, heat, flame detectors) which in turn signals the condition to the Notification (Indicating) Device Circuit such as alarm sounders, horns, strobes and other remote signalling equipment. Conventional detectors are normally connected to the Fire Control Panel via dedicated circuits, each circuit protecting a designated "Zone"or area of the building. The system has different modes: Normal, Alarm, Trouble, and others, depending on the Fire Alarm Manufacturer.
CONVENTIONAL FIRE ALARM CABLE SELECTION
The designer must be sure that the last device on the circuit has sufficient voltage to operate the device within its rated voltage. When calculating the voltage available to the last device, it is necessary to consider the voltage drop due to the resistance of the wire. The larger the wire, the less the voltage drop. Generally, for purposes of determining the wire size necessary for the system, it is best to consider all of the devices as "lumped"on the end of the supply circuit, this simulates the worst case.
Typical wire size resistance: Loop Resistance
18 AWG solid: Approximately 6.5ohms/1000ft. 13ohms/1000ft.
16 AWG solid: Approximately 4.1ohms/1000ft. 8.2ohms/1000ft.
14 AWG solid: Approximately 2.6ohms/1000ft. 5.2ohms/1000ft.
12 AWG solid: Approximately 1.8ohms/1000ft. 3.6ohms/1000ft.
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