![]() ![]() ![]() Early strategies to cope with this problem included requiring the operator to break a pane of glass to release an internal spring-operated mechanism. Primitive manual stations, requiring only a single action or hand motion to activate, can be subject to unwanted activation by jarring or accidental contact. After operation, most fire alarm pull stations must be restored to the ready position using a special tool or key in order for the panel to be reset. In its simplest form, the user activates the alarm by pulling the handle down, which completes a circuit and locks the handle in the activated position, sending an alarm to the fire alarm control panel. ![]() A fire alarm pull station is an active fire protection device, usually wall-mounted, that, when activated, initiates an alarm on a fire alarm system.
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