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Results tagged with mains
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user 740
Mains electricity, typically a higher voltage AC waveform used to deliver electrical power to households. In North America 120V, 60Hz, in most European countries 230V, 50Hz. What most people will plug appliances into.
22
votes
Why is three-phase offset by 120 degrees?
Being 120 degrees apart makes the phases balanced such that power transfer at any instant is a constant. If you had phases 'closer together' as you suggest, there wouldn't be any real advantage over …
- 19.3k
2
votes
2
answers
322
views
what's in this peculiar safety plug?
This unusual plug interfaces an electric hair dryer to the 120V 60Hz mains. …
- 19.3k