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I think that Classic Control + AutoCad +Electric machinery
I beleive that all the basic needs are included in the academic courses, and they are completed with the trainings.
check these skill https://cdn.ncees.org/wp-content/uploads/2012/11/PE-Ele-POW-Apr-2009-21.pdf
in here NECEES they list the skill required too e known for the person entering their exam. These skill are exppect with 4 years experience
I am sorry this is out of my specialist