Updating hard wired smoke alarms

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In most cases, failure to do so results in a “chirping sound” alerting the occupants of a problem.

Many smoke alarms emit this “chirping” sound when the battery is low and in need of replacement. Unbelievably, others decide to unhook this equipment to stop the “chirping” sound. Remember to remove the plastic tab to activate battery source.

For the most part, smoke alarms are required to warn occupants of the presence of smoke in the sleeping quarters and the hallways or corridors in the immediate vicinity of these locations.

They are also required on each level of the dwelling unit, excluding crawl spaces and attics.

(Chapter 2 Definitions, 2012 ” The category code (UTGT) indicates that these are for indoor locations.

For the purpose of this article, the requirements of the 2012 International Residential Code () will be referenced.These alarms are intended for flush-mount applications only and are not intended for use on surface-mounted boxes.All smoke alarms shall be listed and labeled in accordance with UL 217, is defined in the Building and Fire codes as: “Equipment, materials, products or services included in a list published by an organization acceptable to the building official and concerned with evaluation of products or services that maintains periodic inspection of production of listed equipment or materials or periodic evaluation of services and whose listing states either that the equipment, material, product or service meets identified standards or has been tested and found suitable for a specific purpose.” There is also a requirement that the smoke alarms be installed in accordance with NFPA 72, . This article discusses where to find the requirements for installing smoke alarms.As with many things in the construction industry, tragedy tends to motivate change to alleviate or prevent future occurrences.The under Section R314 entitled “Smoke Alarms.” Additionally, requirements for carbon monoxide alarms can be found at Section R315.

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