Fire Alarm System is basically designed to alert us to an emergency so that we can take action to guard ourselves, staff and the general public. Fire alarm installation in London is found in offices, factories, and public buildings, they are a part of our daily routine but are often unnoticed until there is an emergency at which point, they might just save our lives. Whatever the method of detection is, if the alarm is generated, sounders will operate to warn people in the building that there may be a fire and to evacuate.