... 4x0.22mm ,(4 core ,7/0.20 copper, 305m/roll)designed for intruder alarm systems with good quality and competitive ... 4x0.22mm ,(4 core ,7/0.20 copper, 305m/roll) Cable Introduction:Burglar alarm cable is specifically designed for intruder ... Color: Whitel Voltage Rating: 300Vl Temperature Rating: -10ºC to +70ºCl Package: 100 Mtr’s per spool.Options: Solid ... 4x0.22mm ,(4 core ,7/0.20 copper, 305m/roll)