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electrified hardware

  1. LGreene

    What type of switch would you accept?

    Hi All - Last week I posted a question on iDigHardware and didn't receive a lot of feedback, which usually means that iDH readers don't know the answer. I'd like to ask your opinion and get your insight either here on the forum or on the iDH blog post. It has to do with what type of switch...
  2. LGreene

    Emergency Control Function Interface Devices

    I don't get into NFPA 72 too much, so I'm hoping someone can help me with this question. Some access control systems for doors are required to be connected to the fire alarm system. For example, when a door has an electromagnetic lock that is released by a sensor which detects an approaching...
    • LGreene
    • Thread
    • electrified hardware emergency control function interface fire alarm nfpa 72
    • Replies: 1
    • Forum: Door & Hardware forum
  3. LGreene

    Sensor Bars for Egress

    Since this question came to me from a code official, I thought y'all might be interested in reading about it. The issue is the use of sensor bars in a school that require building occupants to remove their gloves in order to exit. The blog post is here...
  4. LGreene

    What's an access-controlled egress door?

    I know the answer to this question. The problem is trying to convince people of the answer. There is a section in NFPA 101 with this title, and there was a section in the IBC until the 2015 edition when it was changed to "Sensor Release of Electromagnetically Locked Egress Doors." I have been...
  5. LGreene

    UL 294 - Standard for Access Control

    I've seen quite a few requests from AHJs lately, asking to see the UL 294 listings for all of the electrified hardware installed on the project. The listing is not required by the model codes for every piece of electrified hardware, so I wrote a follow-up article to help clarify...
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