... alarm cable for burglar alarms fire detection/ low v 1cx4mm2 single core Fireproof cable, Fire resistant cable, Fire security alarm ... sheath .Specification :Conductor: 1.0 sqmm,1.50sqmm,2.5sqmm 4.0sqmm, solid or stranded bare copperInsulation: Silicon MaterialShield: Aluminum ... 12 * 2.5mm21/1.789.51407.42 * 4.0mm27/0.8511.61954.6 1cx4mm2 single core Fireproof cable, Fire resistant cable, Fire ...