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UPS Battery room ventilation and maximum Hydrogen concentration in room

Question asked by Sandip Prakash Khairnar on Mar 13, 2016
Latest reply on Mar 20, 2016 by mlonigro

Dear Experts,

What are the NFPA requirements for the ventilation of UPS battery rooms to limit the Hydrogen concentration?

Could you please give me the NFPA code reference for this?