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NFPA 15 Question

Question asked by fernando_akamine on Oct 8, 2020
Latest reply on Oct 8, 2020 by cdafd

Could someone explain this point in NFPA 15 please: Pilot sprinklers shall be permitted to be spaced more than 22 in. (559 mm) below a ceiling or deck where the maximum spacing between pilot sprinklers is 10 ft (3 m) or less.