# Watts, volts and amps. I still don't get it

**URL:** <https://boards.straightdope.com/t/watts-volts-and-amps-i-still-dont-get-it/954692>\
**Category:** Factual Questions\
**Created:** [November 20, 2021, 10:55pm UTC](https://boards.straightdope.com/t/watts-volts-and-amps-i-still-dont-get-it/954692 "2021-11-20T22:55:59Z")\
**Posts on this page:** 1\
**Showing post:** 56

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**Author:** ![Sam\_Stone](https://avatars.discourse-cdn.com/v4/letter/s/ecccb3/32.png) [@Sam\_Stone](https://boards.straightdope.com/u/Sam_Stone)\
**Post date:** [November 24, 2021, 10:21pm UTC](https://boards.straightdope.com/t/watts-volts-and-amps-i-still-dont-get-it/954692/56 "2021-11-24T22:21:18Z")

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> [@wolfpup](#):
>
> No, **Sam** is correct, although it would be more accurate to say that _ **some** _ electrical systems on _ **some** _ large aircraft run at 400 volts, usually at 400 Hz.

To be honest, I was actually thinking of 400Hz. Stupid brain fart. But thanks for the support. There are 400v systems as you say, but 400Hz is more universal.

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