from which country are you ?
the words tension and voltage are also use in french
dont’ have any problem with these!LOL
but some of the other expressions are stranger like
consumer unit for a distribution panel
changeover for a three-way which word is used for a 4 way
core for wire very strange indeed
socket for an oultet ? for me a socket is like a light socket ??? very strange one
powerpoint for a receptacle one or 2 outlets?
fitting for a fixture ? also strange fixture for me is more like a light fixture