Category: Uncategorized
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Digest: Why did the US Transition from 110VAC to 120VAC, and why 60Hz over 50Hz?
The short of this article is that U.S. transitioned from 110V to 120V due to safety, convenience, and practicality considerations. This negligible shift allowed for more power delivery without larger wires, reduced line losses, and improved compatibility with evolving appliances and lighting technology. The National Electrical Code (NEC) standardized the voltage in North America to…