... BS4737Security alarm cable Conductors: Tinned annealed flexible copperInsulation:PVC (Polyvinyl chloride)Core identification:4 Core: Black, ... , blue, brown, green, grey, orange, pink,red, turquoise, violet, white & YellowSheath/Jacket:PVC (Polyvinyl chloride)Colour: ... Minimum bending 0°CStandards:BS4737: Insulated cables, PVC insulated for intruder alarm systemsDetailed Specifications of Security ...