In this video, you can see how we can retrieve an electrical system and all elements related to that system by selecting one or more elements.
Then we can copy all those elements (including the electrical system) from one view to the other view. In the video, I did show how we can copy electrical fixtures, panels and electrical system from one level to the other (from one-floor plan to the other).
Please make sure that before you start using this script that you back up your existing project model.
Also, if you want to download this (and all other scripts) with my sample files please visit the Shop page.
The script uses the following Dynamo packages: MEPover | v.2022.1.1 spring nodes | v.210.1.1