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2. Electric strike - Wikipedia

   en.wikipedia.org/wiki/Electric_strike

   Also called fail-open. In this configuration, applying electric current to the strike will cause it to lock. It operates the same as a magnetic lock would. If there is a power failure, the door opens merely by being pushed or pulled. A new trend is a strike that is quickly reversible from fail safe to fail secure (and back again if needed).

3. IEC 62682 - Wikipedia

   en.wikipedia.org/wiki/IEC_62682

   The standard was written as an extension of the existing ISA 18.2-2009 standard which utilized numerous industry alarm management guidance documents in its development such as EEMUA 191. Ineffective alarm systems have often been cited as contributing factors in the investigation reports following major process incidents.

4. Electromagnetic door holder - Wikipedia

   en.wikipedia.org/wiki/Electromagnetic_door_holder

   The door holders release, allowing the doors to close automatically using door closers. [1] [2] The electric power to keep the doors open is typically 12 VDC, 24 VDC (common), 24 VAC, 120 VAC, or 240 VAC. The closed doors may or may not mechanically latch or lock in the closed position.

5. Door security - Wikipedia

   en.wikipedia.org/wiki/Door_security

   The term door security or door security gate may refer to any of a range of measures used to strengthen doors against door breaching, ram-raiding and lock picking, and prevent crimes such as burglary and home invasions. Door security is used in commercial and government buildings, as well as in residential settings.

6. Recall Alert: Lowe's and Amazon Pull Carbon Monoxide Alarms - AOL

   www.aol.com/recall-alert-lowes-amazon-pull...

   The recalled DeNova Detect alarms were sold at Lowe’s stores nationwide, and online at Lowes.com, Amazon.com, and Denovadetect.com from December 2023 through July 2024. The purchase price was ...

7. Standards for Alarm Systems, Installation, and Monitoring

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

   The Underwriters Laboratories' UL 2610 is a comprehensive safety standard that governs the construction, performance, operation, and maintenance of security alarm systems and units for commercial premises, such as mercantile and banking locations. The standard details requirements for a range of alarm systems including central station burglar ...