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 ...

For the first time in a half century, new high-voltage power lines are set to cross into Michigan, snaking up the center of the state. As a pair of major transmission line projects stretching some 95 ...

For years, the electric utility industry has been questioning whether to use overhead or underground systems for transmission of power using high-voltage transmission lines. Issues driving this ...

Transmission lines that carry power to electric customers. A hydropower line bringing electricity from Canada into the New England grid began commercial operations Friday. The 145-mile transmission ...