Loudspeakers of permanent audio systems that are installed in fire resistance-rated partitions, walls, or ceilings shall be listed for the purpose or installed in an enclosure or recess that _____. a) maintains the fire-resistance rating b) is no more than 4 in. deep c) is no more than 6 ft - 6 in. high d) all of the above See answer and applicable Code reference The correct answer is: a) maintains the fire-resistance rating The Code requirements for permanent audio ...
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