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Beam spacing clarification for smoke detectors nfpa 72

Question asked by gkiouzellis on Jun 25, 2020
Latest reply on Jun 25, 2020 by cdafd

Need clarification on NFPA-72, section for beam pockets and waffle type beam configurations.


it says beam spacing greater or less than this beam spacing referring to both width and length of the pocket or one side only?