We make NEC FPLP Plenum Fire Alarm Cable, unshield and shield are both Ok.
All of these cables meet NEC Article 760 and FPLP standards.
They are 75°C and 300 volts rated.
These cables can be used for many applications, include wiring of fire alarms, smoke detectors, voice communications, burglar alarms, fire protective circuits etc.
In China, just few companies can make Plenum Grade cables. We TIANJIE is among of these few companies.
Unshield Fire Alarm Cable Plenum Grade
from 22awg to 12awg / from 2conductors to 6conductors
Shield Fire Alarm Cable Plenum Grade
from 22awg to 12awg / from 2conductors to 6conductors
FPLP (Plenum): Type FPLP power-limited fire alarm plenum cable is listed by the NEC as being suitable for use in ducts, plenums and other space used for environmental air. All FPLP cables are listed as having adequate fireresistant and low-smoke producing characteristics and must pass both UL test 1424 and NFPA 262.