Jethro_uk wrote:

On Sun, 01 Mar 2020 13:37:47 +0000, AnthonyL wrote:

Are there any conditions when the phase needs to be known? If so how is
it detected?

If you connect a 3-phase motor up wrong, it won't work. Does that count ?

From a position of no theoretical knowledge and little practical
experience, I thought it would go backwards. Am I wrong?




This has the suggestion of leading to a bridges of Koenigsberg puzzle ...
what's the minimum number of wires you'd need to swap to get it
working


--

Roger Hayter