Prior to you perform any task or home improvement on your electrical system, you should have some understanding of how it works. Electrical wiring is how electricity is dispersed throughout your home, perhaps making it the most important part of your electrical system. But how does wiring manage to carry electrical power?
https://news1.gr/giati-ayti-analamvanoyn-ilektrologikes-vlaves-einai-i-ilektrologi/