Electrical Contractor Magazine

September Issue 2003

 


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September 2003
In the past, when power flowed as a sine wave, the square root of three was used to convert between line-to-line voltages and line-to-neutral voltages. READ MORE
September 2003
Often times a contracted project takes longer to complete and requires a larger budget than was originally planned. READ MORE
September 2003
Thousands of people rush through the airport terminal in Louisville, Ky., every day, never suspecting the activity going on next door. READ MORE
September 2003
North America received an earsplitting “wake-up call” last month when the biggest blackout in U.S. READ MORE

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September 2003