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  2. Fire alarm system - Wikipedia

    en.wikipedia.org/wiki/Fire_alarm_system

    A fire alarm system is a building system designed to detect, alert occupants, and alert emergency forces of the presence of fire, smoke, ...

  3. Standards for Alarm Systems, Installation, and Monitoring

    en.wikipedia.org/wiki/Standards_for_Alarm...

    The alarm transmission methods covered under UL 365 can be categorized under standard line security or encrypted line security. The systems are required to operate within the limits of Class 2 remote control and signal circuits as defined by the National Electrical Code, NFPA 70.

  4. Fire alarm control panel - Wikipedia

    en.wikipedia.org/wiki/Fire_alarm_control_panel

    A fire alarm control panel (FACP), fire alarm control unit (FACU), fire indicator panel (FIP), or simply fire alarm panel is the controlling component of a fire alarm system. The panel receives information from devices designed to detect and report fires, monitors their operational integrity, and provides for automatic control of equipment, and ...

  5. Smoke detector - Wikipedia

    en.wikipedia.org/wiki/Smoke_detector

    A user-operated test button simulates an imbalance between the ionization chambers and sounds the alarm if and only if the power supply, electronics, and alarm device are functional. The current drawn by an ionization smoke detector is low enough for a small battery used as a sole or backup power supply to be able to provide power for years ...

  6. Bears drop 5th straight game in OT heartbreaker to Vikings as ...

    www.aol.com/sports/bears-drop-5th-straight-ot...

    Jordan Addison (8 catches, 162 yards, 1 touchdown) and T.J. Hockenson (7 catches, 114 yards) each eclipsed 100 yards receiving. Jones added 106 yards and a touchdown on the ground.

  7. AutoZone Q1 Misses Wall Street Marks, But CEO Sees Bright ...

    www.aol.com/autozone-q1-misses-wall-street...

    AutoZone said the company’s same-store sales increased 0.4% (or 1.8% in constant currency), while domestic sales grew 0.3%. Also Read: Booz Allen and Palantir Partner To Drive US Defense Operations.

  8. Security alarm - Wikipedia

    en.wikipedia.org/wiki/Security_alarm

    Some alarm systems serve a single purpose of burglary protection; combination systems provide fire and intrusion protection. Intrusion-alarm systems are combined with closed-circuit television surveillance (CCTV) systems to record intruders' activities and interface to access control systems for electrically locked doors. There are many types ...

  9. California mom shot and killed by her 2-year-old; boyfriend ...

    www.aol.com/california-mom-shot-killed-her...

    A California woman was fatally shot by her 2-year-old toddler, leading to the arrest of her boyfriend who is accused of failing to properly store the weapon, Fresno police said this week.