If you were going to do panel layout and control wiring drawings everyday then AutoCAD Electrical would be a great option. Difficult to start up as you have to build all the libraries, but it's worth the up front investment. (I have used AutoCAD Electrical since it's inception as a an add-on package from Via Wiring, way back in the day.) SkyCAS looks like a great option, although I'm not a big fan of subscription based software, but it looks like everyone is heading that direction.
NanoCAD is great. Gives the same look and feel of AutoCAD and you take off running as soon as you download and install. Also, can do some automation with its built in programming languages.
Used TurboCAD (when it was DoubleCAD) Another great option
Have used Draftsight - now a paid version. IMHO I preferred DoubleCAD and NanoCAD.
LibreCAD is also another free version. Never used it but it looks like it would get the job done easily.
Hope some of this helps.