Unformatted text preview: Edison's DC system transmitted voltages at only 240V, but he contended that his was the safer and more effective system. As AC systems rapidly gained market share, a nasty public battle ensued over the safety of Westinghouse's system. As AC system voltages were used for new electric chairs and to kill cats and dogs, Edison turned his crusade against Westinghouse into a crusade for public safety. Meanwhile, Westinghouse concentrated on developing the system devices that would make his AC system dominant in the field. He also took advantage of special opportunities to publicize his AC system, such as the famous "White City" exposition at the Chicago World's Fair in 1893. Ironically, the people who paved the way for Westinghouse's AC system to become the dominant electrical system in the United States were former Edison employees. One of these, Nikola Tesla, was a Serbian electrical engineer who came to the United States to...
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- Fall '10