fire alarm cables can have different specifications, including:
voltage rating:fire alarm cables can have a voltage rating of 300/500v.
temperature range:fire alarm cables can have a temperature range of -30c to +70c.
bending radius:fire alarm cables can have a minimum bending radius of 6d.
insulation:fire alarm cables can have two insulated copper conductors or four insulated copper conductors.size 18 awg and 16 awg cables are insulated with pvc/nylon (thermoplastic fixture nylon coated) type tfn.
size:fire alarm cables can be in sizes 18 awg through 12 awg.
mechanical protection:fire alarm cables can be flexible and oil resistant.
conductor:fire alarm cables can have solid bare copper conductors