A transmission line is a far more complex piece of equipment than many people realize. In its simplest form it may be considered as just a pair of wires merely carrying ac power. Usually in these ...

The National Electric Safety Code (NESC) includes a clause sometimes referred to as the “5-mA Rule,” which states: For voltages exceeding 98 kV ac to ground, either the clearances shall be increased ...

Download the full pdf of this article, which includes the inline equations and diagrams. Discussion continues at the national level about power grid upgrades to support increased electrification. In ...

Building transmission lines in the U.S. is like herding cats. All of the stakeholders in the construction of a new line — utility companies, regulators, landowners — have to come to an agreement, and ...