New York Underground
[Sublevel Navbar] [Into Your Neighborhood]

[Power Grid]


3.  INTO YOUR NEIGHBORHOOD
Power can travel long distances only at high voltages. Transformers reduce the voltage from as high as 765,000 volts of power to about 138,000 as it enters the city. More transformers reduce it again and send it towards homes and businesses. The last transformers, buried in the street or standing on sidewalks, reduce power to 120 or 280 volts.

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