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NFPA 13 : Branch lines connected to cross main

Question asked by wojciechpajak on Oct 24, 2018
Latest reply on Oct 24, 2018 by wojciechpajak



Is it required by NFPA 13 to connect branch lines to cross main only by riser nipple or in some cases I can conned branch lines directly to the sides of cross main?


Thank you in advance for your answer.


W. Pająk