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ehab.mechanical
Can grey "treated" water be used for fire applications ? NFPA 20: 4.6.2.1 Any source of water that is adequate in quality, quantity, and pressure shall be permitted to provide the supply for a fire pump. The quality point above is not clear if grey water quality is suitable for fire applications or not
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drbcybor
I know this is not exactly the same thing but isn't it still somewhat conflicting information?  Isn't arc fault interruption a type of arc resistant  equipment?  There is no definition or annex material for the existing or new information
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wwishart
Take a Make-Up Air Unit (MAU) if over 2,000 CFM. NFPA 90A would mean the unit should have a duct smoke detector installed to automatically shut the unit down. (It seems to be the only exemption to the need for Duct Smoke Detector is Exhaust Fan (6.4.2.3), however, IMC 606.1 Controls required. Air distribution systems shall be equipped
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cathyprudhomme
  Insurance policies for residences located in wildfire prone areas are frequently inadequate and coverage is often misunderstood. To ensure residents have the information and knowledge needed to be financially prepared, NFPA is hosting a free, one-hour webinar during Fire Prevention Week on Wednesday, October 10 at 1 pm MDT (3 pm Eastern).
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