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NFPA 130_Trainway separation

Question asked by alejandro.camalda on Nov 21, 2019
Latest reply on Nov 22, 2019 by alejandro.camalda

Article of NFPA 130 requires separate tracks in enclosed trainways to be divided by a 2-hour-rated fire separation. This 2 hours FRR is based on which UL test? Thank you.