Review and interpret design criteria involving NESC clearance calculations, FirstEnergy voltage-based clearance buffers, conductor blowout, insulator swing, uplift, transition-zone clearances, underbuild clearances, vegetation management separations, and right-of-way requirements. Headquartered in Akron, Ohio, FirstEnergy includes one of the nation's largest investor-owned electric systems, more than 24,500 miles of transmission lines that connect the Midwest and Mid-Atlantic regions, and a regulated generating fleet with a total capacity of 3,780 megawatts.