Someone asked this in the New Products Show chat, but is worth generally discussing here:
Does anyone use UL listed recessed door contacts on FIRE-rated doors?
** ****** ** *********** ***** ***** what '**-********' **** ** *******.
*****, *** ****** ** **. ************ a **** **** ** *** ******** contacts ** **** ****** *** ******* per **** **, *** ******** ********** allowed ***** ************* ** *****. ************, alterations *** ******* ** ******* ***** hardware, *** ******** *****.
****, *** '** ******' ** * door ******, ** ****** *** ***** of ********/****/**** ****** **** *** **** it *** ** ********* **** * fire ****. *** ** ******/******* ****** by ********, *** **** ********* ***** being ******* ** *** **** ** a **** **** *** ***** *** device ** *********** ** **** *** an *******. ***** ** ***** ****** create * ******, *** ** ** not ********** **** * ****-**** ** fire-door ******.
**** **** ****?
****, *** *** ***! **** *** legally.