Fire alarms, Fire detectors, Alarm systems, Fire safety in buildings, Fire safety, Buildings, Design, Installation, Maintenance, Classification systems, Circuits, Electric wiring systems, Compatibility, Warning devices, Signal devices, Sound generators, Automatic control systems, Manual control systems, Fire compartments, Position, Smoke detectors, Means of escape from fire in buildings, Electric power systems, Electric cables, Radio links, Inspection, Electrical safety, Communication networks, Technical documents, Visual signals, Commissioning