How can the 110 decibel maximum at minimum hearing distance be accommodated in loud environments where the ambient exceeds 95 decibels?

  In my recent NFPA® Live I discussed the selection and location of audible fire alarm appliances to help meet the audibility requirements of NFPA 72®, National Fire Alarm and Signaling Code®, 2019 edition. Participants learned

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Published on May 08, 2019 07:00
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National Fire Protection Association (NFPA)'s Blog

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