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The Trivial Annoyances Thread
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(10-10-2021, 03:23 AM)Senor Fantastico Wrote:(10-09-2021, 07:24 PM)Jags Wrote: There’s one minor problem, electricity will make muscles clench. So you won’t be able to let go. It's really not too hard to understand. In basic terms your home is supplied from a transformer with 240 volts (which some people call 220). There is also a center tap coming from the transformer which is your neutral (the white wire on the 110/120 in your home). When you hook up regular 110/120 power in your home you connect a black wire and a white wire and are basically using half of the 220/240 volts being supplied. When you hook up 220/240 power you connect a black and usually a red together with no neutral to get 220/240 volts. The reason that it's called 220 or 240 is because it can vary. The goal is to get 240 volts from the transformer, but wire size, wire composition, distance from the transformer, etc. can cause that value to vary. For both 120v and 240v you only need 3 conductors (wires). In 120v you need a "hot" (black) neutral (white) and ground (green). In 240 you need a "hot" (black) "return" which is also "hot" (red) and ground (green). To explain the difference between "neutral" and "return" would require a whole lot of boring physics theory, but it's pretty simple really. Do you understand the difference between AC and DC? There are 10 kinds of people in this world. Those who understand binary and those who don't. |
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