I needed 3 gcses at C or above in English maths and science just to get into collage then I needed to pass a test in maths science and IT the is some jobs were you don’t need any qualifications but electrician is not one of them. :!: :!:
here is some info about running cable overhead
through steel conduit height 10ft min span 10ft max
on catenary wire height 12ft min span unlimeted
un suported height 12ft min span 10ft max