VISUAL FIRE WARNING SYSTEM
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Abstract
A FIRE WARNING SYSTEM IS MOUNTED ON THE BACK OF A LIGHT SWITCH PLATE AND INCLUDES A CURRENT ACTUATED INTERRUPTER CONNECTED BETWEEN THE CURRENT SUPPLY AND THE LIGHT SWITCH. A THERMAL SENSITIVE SWITCH IS CONNECTED TO THE INTERRUPTER AND LIGHT SWITCH AND NORMALLY SHORTS THE INTERRUPTER SO THAT THE LIGHT AND SWITCH FUNCTION NORMALLY. IN AN ALARM CONDITION, THE THERMAL SWITCH CONNECTS THE LIGHT TO THE CURRENT SOURCE THROUGH THE INTERRUPTER SO THAT THE LIGHT FLASHES ON AND OFF RAPIDLY TO PROVIDE A VISUAL ALARM AND AROUSE ANY SLEEPING OCCUPANTS OF THE ROOM IN DANGER OF FIRE.
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