Yes I do.
You'r wiki link has a very large range of symbols which mean I will need some time to process it.
Send me the svg file (or upload somewhere for download e.g mediafire or googledrive) with those symbols needed for electric plan. I suppose the electronic symbols are not necessarily.
For a fast work could be bather to save them individually as png with their name (could be German if You wish) from inkscape in a folder.
I've made something similar
here for Gianluca Bizzarro.
This kind of library can't be done easy with Furniture Editor.