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“ fire rated locks ”

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FIRE RATED MORTISE LOCK FIRE EXIT DEVICE
9875-F Series,9975-F Series , 5575-F, 8875-F
What grade is the B250 and is this product UL listed?
The B250 is Grade 2 but has no UL listing due to the holdback rose.
What is the most common practice for running electric power from a frame to the door and hardware?
Electrical hinges or a power transfer units are the most commonly used practices to run electric power to locks and/or strikes. Electric Hinges: Most electric hinges will fit into a standard 4 ...
Fire Rating for AD and CO locks
The AD and CO locks both have a 3 hour fire door rating. Please see URL for more info.  UL Fire Rating List
Can doors be prepared for raceways in the factory?
Raceway availability: Optional factory installed raceways are available in doors but are not available in frames. Preparation Info: Steelcraft installs a flexible 1/2" ID steel conduit through the...