Romex above accoustic ceiling in commercial

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al hildenbrand

al hildenbrand

Senior Member
Location
Minnesota
Occupation
Electrical Contractor, Electrical Consultant, Electrical Engineer
Re: Romex above accoustic ceiling in commercial

So, is it a given that no acoustic ceiling material has a 15 minute fire rating? More specifically, does the ceiling that Webb is posting about have less than a 15 minute rating?

And I'm confused about the truss system. . .is this a truss with ceiling on the bottom and roof deck on the top of the same truss?
 
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