A fire system is inspected, certified and then maintained by people who were not there when it was installed. Everything about the cable has to make their job obvious rather than archaeological.
The red jacket is not decoration. It is how an inspector, an electrician and a future contractor tell a life safety circuit from general wiring.
Solid copper conductor keeps loop resistance inside the panel's acceptance window across the length of a detection circuit.
Unshielded is normal for a clean containment route. Specify shielded where the loop runs parallel to power cable or through a plant room.
Allow spare cores. A zone that gets extended after handover is the normal case, not the exception.
Wstlab CE certification covering 2-core to 22-core fire alarm cable at AC60/750 V, 50/60 Hz, issued with the order.

Detection and sounder circuits that are identifiable on sight.
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Signal cable with enough spare cores for the device that gets added later.
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red fire alarm cable 2x1.5mm fireproof copper wire lsoh lszh jacket
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2 Core Red Fire Alarm Security Access Cable Wire Sound and Alarm Cable Solid Wire Unshielded
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Bare Copper 4 Core shielded fire performance cable apply for Fire Alarm System Low Voltage
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4 core solid fire alarm cable fire protection security signal control wire red copper for…
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6 Core Fire Alarm Cable solid copper Conductor Overall Shielded Red PVC 1000ft for Fire…
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Solid Unshielded 6 Core Fire Alarm Cable Red Fire Security Burglar Station Wire 1000ft for…
View specification →2, 4 and 6 core, shielded and unshielded, on 305 m wooden reels.
The range carries Wstlab CE certification as described above. If your project requires a specific circuit-integrity standard, send the standard reference with the enquiry so we can confirm before you specify.
Send the run lengths, environment and device loading for your fire detection & alarm systems project. We will name the stocked specification that fits before you order rather than after.