### Preliminary Checks - [X] I have searched existing issues for a duplicate feature request and I'm sure this is new. - [X] I have read and followed [the docs](https://nrel-distribution-suites.github.io/shift) and still think this is missing. ### Description It would be nice to have phase mapper class where all nodes, edges and assets are three phase.
Preliminary Checks
Description
It would be nice to have phase mapper class where all nodes, edges and assets are three phase.