BS 7273: operation of fire protection measures

 BS 7273-1:2006 - Electrical actuation of gaseous total flooding extinguishing systems

BS 7273-2:1992 - Mechanical actuation of gaseous total flooding and local application extinguishing systems

BS 7273-3:2008 - Electrical actuation of pre-action watermist and sprinkler systems

BS 7273-4:2015 - Actuation of release mechanisms for doors

BS 7273-5:2008 - Electrical actuation of watermist systems (except pre-action systems)