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|    alt.engineering.electrical    |    Electrical engineering discussion forum    |    2,547 messages    |
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|    Message 1,579 of 2,547    |
|    bud-- to John G    |
|    Re: Energy Efficiency and 5V/12V Devices    |
|    15 Dec 15 11:38:03    |
      From: null@void.com              On 12/14/2015 6:47 PM, John G wrote:       > k28@ponce.com has brought this to us :       >> 208Y/120 is a very common distribution systems in the United States. The       >> relationship comes from Y-connected system and the square root of 3       >> (1.73 *       >> 120 = 208). The voltage between any phase and ground will be 120 and the       >> voltage between any two phases will be 208.       >       > Yes but the fact is very few domestic instalations in the USA have THREE       > phase distribution and only have 120 and 240.       >              Generally quite true, and I don't think the OP has 208.              An apartment complex may be powered by 208/120V wye, with 2 phases fed       to apartment panels. Those panels have 208V, and an electric range may       be powered by 208V.              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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