A

High-voltage substation steel support structures, namely, steel plates and steel structural members in the form of electrical support structures and frames for transmitting electricity and communications

High-voltage electrical substations comprised of transformers, circuit breakers, circuit switchers, voltage regulators, fuses, capacitors, electric relays, rectifiers, electric power converters, steel support structures in the nature of factory-built substations and switchyards; Energy and communications facilities and infrastructure, namely, high voltage electrical substations and switchyards for distributing power; electric transmission towers in the nature of apparatus and instruments for conducting, switching, transforming, accumulating, regulating and controlling the transmission, distribution, and use of electricity