The main reason for guidelines, licencing is that usually the government picks up a non recoverable health costs associated with DIY activities.
Double standard are rife: We complain about compliance but we also complain about the government not protecting people. Damn if you do damned if you don't.
I wouldn't be surprised that most people here including myself could carry out the work but in my case would rather work on a low voltage solution as a viable alternative. I can get licensed myself but do not elect to as yet.
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