Fire Rated Cut In boxes

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nvcape

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Have a project where the corridor is rated and wanted to use cut-in boxes for adding some fire alarm items. We have not been able to find any UL listed 2 hour boxes, got any ideas to avoid cutting out the drywall?
 
Re: Fire Rated Cut In boxes

It not as much a matter of how the box is listed as much as it is the mounting. The boxes will have to be fastened securely to a stud.

You will find this in the front of the UL orange books (Fire Resistance) volume 1.

It was located on page 10 in the 2000 edition.

Roger
 
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