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This tag refers to alternating current mains power. It usually applies to voltages with >100V RMS, but can also be used for ex. 24V industrial AC power.

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Solar power is becoming more popular, and it seems a lot of people who have solar panels have a DC to AC inverter. It seems ironic to convert DC electric to AC, and then the the AC gets converted … back to DC to run a computer. I believe all digital hardware runs on DC power. Do LED light bulbs, LED TVs, LCD TVs, have to convert AC to DC? How about motors. What are the trade offs between AC and DC motors? …
asked May 4 '15 by Ted Ersek