I thought I heard somewhere that in the new (2009) version of the NFPA (99 I believe) that it defined selective coordination requirements above 0.1 sec. is this true I could not find it or any additional information on it.
That was the intent of the committee, but it was voted down in June at the national conf and it is sent back down a couple of levels and has to go through the ROP/ROC process again.
