If, in new construction, it is per NEC to install battery backup units on the hard wired smokes, can someone direct me to the proper section.
I'm not finding it.
I've always installed battery backup units when I could, but I need to put my "finger" on the wording if it exists.
Thanks.
I'm not finding it.
I've always installed battery backup units when I could, but I need to put my "finger" on the wording if it exists.
Thanks.