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Added link to NFPA 72. Builds on my previous larger edit improving intro and discussing manual call points in North America. |
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Previously, the old British standard did not allow hinged covers and plastic resettable elements. Plastic elements must have the same printing as the [[EN 54]] glass.
In the US and Canada, alarm initiating devices with button-like designs are sometimes used in high-hazard occupancies. The [[NFPA 72]] standard uses the term Alarm Box, which could encompass a number of initiation mechanisms.<ref>{{Cite web |title=NFPA 72 National Fire Alarm and Signaling Code® § 3.3.12 Alarm Box. Vian NFPA LiNK® |url=https://link.nfpa.org/free-access/publications/72/2022 |access-date=2023-02-05 |website=link.nfpa.org |language=en}}</ref> A few manual call points have been approved to [[UL (safety organization)|UL]]/UL Canada standards.<ref>{{Cite web |title=Product Datasheets |url=https://maplearmor.com/en/resources/fire-alarm-devices-technical-datasheets/ |access-date=2023-02-05 |website=Maple Armor |language=en-CA}}</ref><ref>{{Cite web |title=DI-M9204 Digital Manual Call Point |url=https://gst.com.cn/en/data/products/Manuals/DI-M9204%20Digital%20Manual%20Call%20Point%20Manual%20Issue%201.02.pdf |website=Gulf Security Technology Co., Ltd.}}</ref> At the time of this writing, the pull station is still the most prominent design in this part of the world.
A report by the UK-based [[Building Research Establishment]] (BRE) stated "there is a commonly held view that equipment designed to meet the European EN54 Fire detection and fire alarm systems standard cannot be used within an installation designed to the US National Fire Alarm Code, NFPA 72." In actuality, "there appears to be no requirement in NFPA 72 that precludes the use of manual call points..."<ref>{{Cite web |date=2010-06-04 |title=BRE Global report finds compatibility between NFPA 72 code, EN54 standards |url=https://www.fmlink.com/articles/bre-global-report-finds-compatibility-between-nfpa-72-code-en54-standards/ |access-date=2023-02-05 |website=FMLink |language=en-US}}</ref>
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