Manual Fire Alarm Activation 3
Manual Fire Alarm Activation 3 : (2) Modern Pull Stations: Many modern fire alarm pull stations are single action and only require the user to pull down the handle. Other fire alarm pull stations are dual-action, and as such require the user to perform a second task before pulling down, such as lifting up or pushing in a panel on the station or shattering a glass panel with an attached hammer. Perhaps the most recognizable pull station is the T-bar pull, so named because the handle is shaped like the letter "T". This style is manufactured by many companies. Resetting a fire alarm pull station after it has been operated normally requires building personnel or emergency responders to open the station using a key, which often is either a hex key or a more traditional key. Opening the station normally causes the handle to go back to its original position, allowing the alarm to be reset from thefire alarm control panel after the station has been closed. Particularly at college dormitories and schools, students may pull fire alarms as pranks. These false alarms can lead to apathy among occupants if they occur repeatedly, causing them to dismiss the importance of alarms or ignore them completely. In areas where false calls are a problem, pull stations may be covered with a clear plastic cover that sounds a loud alarm when tampered with, creating focus on the fire alarm. If this is not a sufficient deterrent, the pull handle may be treated with ink, powder, or gel dye which can be used to help identify who pulled the alarm
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