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James Stiles
Is there a resource for determining what group a combustible material belongs to if it is not listed in NFPA 497, Table 4.4.2.  In this instance: 4-Ethyltoluene 1,2,4-Trimethylbenzene 1,3,5-Trimethylbenzene

Leonel Antonio garay
I work in a 34.5 Kv plant. We must to calculate the incident energy but we don´t know what is the most appropriate method. Some people have told me about the "IEEE 1584: Guide for performing arc flash calculations" but this guide calculate for 208 v to 15 Kv.    Help please,
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Sreenivasan Ranganathan
  Large wildfires in wildland‐urban interfaces (WUI) are associated with severe negative consequences, including massive community evacuation, property losses, damage to infrastructure, injuries, and in some instances, fatalities. Very often, the wisdom derived from previous WUI disasters in other regions is the only source available to