There are two situations one can find when working on three-phase AC
systems: a clockwise or counterclock phase rotation.

 

Is it correct to assume that a CW rotation would be color-coded (for
120/208V) from left to right black-red-blue while CCW rotation would be,
say, red-black-blue?

 

Or whether it's a CW or CCW phase rotation, is the color coding always going
to be black-red-blue (again for 120/208)?

 

Thanks,

marco

 

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