Sardis Lake Topics: International Electrical Code
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Name:
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MrHodja
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Subject:
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International Electrical Code
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Date:
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11/2/2016 10:01:09 PM
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Now a true sine wave goes from zero to a positive value, then back to zero and then a negative value, then back to zero, thus completing one cycle. The number of cycles over a given period of time determines its frequency 60 cycles per second, or Hertz in the US, 50 in Europe. How far it deviates from zero determines its amplitude, expressed in volts.The beauty of AC over DC is the electrons really never go anywhere...they pull back an equal amount that they push forward, net zero. D.C. relies on a steady stream of electrons in one direction.
in Charleston SC the 110 sockets appear to be installed upside down, with the ground lug on top and the hot and neutral on the bottom. I thought they were wacko until I was given the reason for doing them that way. I am curious if I was told right....can anyone verify the reason?
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