In the US the National Electric Code disallows an individual to adjust mains wiring unless they are a licensed electrician. I'm not sure how strict that rule is, e.g. if it disallows replacing a light fixture or such, but y'know.
In the US the National Electric Code disallows an individual to adjust mains wiring unless they are a licensed electrician. I'm not sure how strict that rule is, e.g. if it disallows replacing a light fixture or such, but y'know.